CoditTools
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All Tools

All 153 tools in 23 categories. Start with a category, search by name, or scan the full list below.

Categories

Start broad, then drill down into the tools you need.

Developer Tools

Format JSON, test regex, generate UUIDs and hashes, decode JWTs, convert Base64 images and preview HTML, CSS and JavaScript.

10 tools

Image Conversion

Convert images between PNG, JPG, WebP, SVG and HEIC in your browser. 13 single-file converters; the Bulk Image Converter handles many files at once.

13 tools

Bulk Image Tools

Convert a batch of images from one format to another, or compress a mixed batch by quality or file-size target. Both tools run in your browser and return one ZIP.

2 tools

Image Tools

Edit, generate, and extract data from images.

14 tools

Instagram Tools

Download Instagram Reels, post videos, and carousel slides.

6 tools

Math Tools

Powerful calculators for academic and business use.

15 tools

Finance

Financial calculators for practical daily use.

15 tools

PDF Tools

Merge, split, and optimize PDF files.

7 tools

SEO Tools

Generate core files and helpers for search visibility.

2 tools

Social Media Tools

Create assets for posts and social content workflows.

1 tools

Text Tools

Process, convert, and analyze text.

22 tools

Audio Tools

Trim, convert, and analyze audio files right in your browser.

3 tools

Video Tools

Extract video frames, convert GIFs to JPEG, and capture video screenshots.

3 tools

Writing Tools

Format citations in APA, MLA, and Chicago style.

1 tools

Business Tools

Generators and calculators built for freelancers and founders.

5 tools

CSS Tools

Visual generators for shadows, gradients, and UI effects.

5 tools

Security Tools

Test password strength and generate safe credentials.

2 tools

Health Tools

Calorie, water, weight, and pregnancy calculators.

6 tools

Student Tools

GPA, grade, and word-count tools for academic work.

4 tools

Date & Time Tools

Calculate days between dates, work hours, and meeting times.

4 tools

File Tools

Convert between CSV, JSON, Markdown, and more.

3 tools

Language Tools

Morse code, binary text, pig latin, and ASCII art converters.

4 tools

Fun Tools

Spin wheels, flip coins, roll dice, and play quick games.

6 tools

All Tools

Search and open any tool directly from here.

JSON Formatter

Format, minify and validate JSON. Upload a .json file or paste text; invalid JSON shows the parser's error with the line and column where it stopped.

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JSON to CSV Converter

Convert a JSON array of objects to CSV. Nested fields become dot-notation columns, missing keys become empty cells, and you choose which columns to export.

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Text Encoder & Decoder

Decode a JWT's header and payload, or encode and decode Base64, URL and HTML entities in your browser. ROT13, Caesar shifts and SHA-1 or SHA-256 are included too.

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Animated Button Generator

Design a CSS button with 8 presets and 9 motion effects, then copy it as plain HTML + CSS, CSS Modules, styled-components or Tailwind code.

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HTML CSS JavaScript Live Preview

Write HTML, CSS and JavaScript in separate editor tabs and see the result update live in a sandboxed preview, with full, tablet and mobile widths.

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UUID Generator

Generate random version 4 UUIDs (GUIDs) in bulk, up to 100 at a time. Choose uppercase, no hyphens or braces, and copy one value, all of them, or a JSON array.

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Regex Tester

Test JavaScript regular expressions against your own text. Every match is highlighted, with its index and capture groups listed below.

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Number System Converter

Convert between hexadecimal, decimal, binary and octal. Type in any field and the other three update; works for non-negative whole numbers of any size.

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Image to Base64 Converter

Convert an image to a Base64 string or data URI, or paste Base64 to preview the image and download it. Handles PNG, JPG, GIF, WebP and SVG; nothing is uploaded.

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Hash Generator

Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or a file at once, and compare them with a published checksum.

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PNG to JPG Converter

Convert a PNG to a JPG (JPEG). The result is lossy, transparent areas turn white, and the pixel size stays the same.

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PNG to WebP Converter

Convert a PNG to a lossy WebP at 90% quality. Transparency is kept and the pixel size stays the same.

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PNG to SVG Converter

Trace a PNG into SVG vector paths in full color. Logos and icons work well; photos come out as simplified, posterized shapes.

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JPG to PNG Converter

Convert a JPG or JPEG to PNG. Later edits and re-saves add no more JPEG compression loss, but detail already lost is not restored.

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JPG to WebP Converter

Convert a JPG or JPEG to a lossy WebP at 90% quality. How much smaller it gets depends on how compressed the JPG already is.

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JPG to SVG Converter

Trace a JPG logo or line drawing into two-color SVG paths. Photos don't trace cleanly, and the page tells you when the SVG only embeds your JPG.

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WebP to JPG Converter

Convert a WebP image to JPG. Transparent areas turn white, and an animated WebP becomes a single still frame.

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WebP to PNG Converter

Convert a WebP image to PNG and keep its transparency. An animated WebP becomes a single still frame.

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SVG to PNG Converter

Convert an SVG to a transparent PNG at the SVG's own size (its width and height, or its viewBox), or scaled 2× or 3×.

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SVG to JPG Converter

Convert an SVG to a JPG on a white background. The output size follows the SVG's own size.

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SVG to WebP Converter

Convert an SVG to WebP, keeping transparency. Simple icons often end up larger as WebP than as SVG.

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HEIC to PNG Converter

Convert an iPhone HEIC photo to PNG. PNG is lossless and large, and location data isn't copied.

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HEIC to JPG Converter

Convert an iPhone HEIC photo to JPG so it opens on Windows, Android and the web. Location data isn't copied.

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Bulk Image Converter

Convert multiple JPG, PNG, WEBP, AVIF, GIF, BMP, HEIC, or SVG files at once and download all converted images in a single ZIP archive.

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Bulk Image Compressor

Compress multiple JPG, PNG, WEBP, AVIF, and HEIC images in one batch and download optimized files as a ZIP archive.

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QR Code Generator

Generate QR codes (PNG or SVG) for text, links, WiFi, contacts, email, phone numbers, SMS and map locations.

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Barcode Generator

Generate CODE128, CODE39, EAN-13, UPC, ITF, MSI and Pharmacode barcodes and download them as PNG or SVG.

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Image Compressor

Compress a JPG, PNG or WebP image and keep its format, using a quality slider or a target file size for JPG and WebP. PNG is optimized losslessly.

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Image Resizer

Resize an image to an exact width and height with an aspect-ratio lock, or by percentage. PNG stays PNG; other formats are saved as JPG.

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Image Cropper

Crop images easily with drag and resize controls. Lock or unlock aspect ratio, use popular presets, preview results live, and download high-quality cropped images instantly.

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Image to Text (OCR)

Extract printed text from an image with OCR in English, Urdu, Arabic, French, German or Spanish, then edit, copy or download it as .txt. Runs in your browser.

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Background Remover

Remove solid or near-solid image backgrounds and export the result as a transparent PNG.

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Color Palette Generator

Free online color palette generator. Create complementary, analogous, triadic, and shade palettes from any base color. Copy HEX and RGB values instantly.

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Image Flip & Rotate

Flip images horizontally or vertically and rotate by 90°, 180°, or 270°. Free browser-based image editor - no watermark, no login, instant download.

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Watermark Adder

Add custom text watermarks to images online. Choose position, opacity, font size, and color. Free browser-based watermark tool - no login, no upload to server.

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Image Border Adder

Add a solid color border to images online. Choose any border width and color. Free browser-based tool - no login, no watermark, instant download.

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Favicon Generator

Generate favicon files in 16×16, 32×32, 48×48, and 64×64 sizes from any PNG or JPG image. Free online favicon maker - no login, instant download, browser-based.

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Image Color Picker

Upload any image and click to pick colors. Instantly see HEX, RGB, and HSL values. Free online color picker from image - no login, no signup required.

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Color Converter

Free online color converter to convert colors between HEX, RGB, HSL, and CMYK formats instantly. Copy values for CSS, design tools, and code with one click.

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Instagram Post Downloader

Download public Instagram posts including single photos, videos, and multi-slide carousels in original HD quality. Paste any post link, preview media, and save directly without login.

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Instagram Reels Downloader

Download public Instagram Reels in MP4 format. Designed specifically for vertical 9:16 video clips, preview the Reel and save it directly for offline personal viewing.

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Instagram Post Video Downloader

Download public Instagram in-feed video posts in MP4 format. Tailored for standard square and landscape feed videos, preview the media, and save your video backups directly.

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Instagram Slides Downloader

Download public Instagram carousel slides including multi-photo sets and slide videos. Paste a carousel post link, fetch all slides in sequence, and save each file individually.

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Instagram Reel Audio Downloader

Extract audio from public Instagram Reels in MP3 format. Paste a Reel link, preview the audio track, and save it for personal backups, creator dialogue, and voiceovers.

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Instagram Caption Copy

Extract and copy captions and hashtags from public Instagram Reels, posts, and carousel links in one click.

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Percentage Calculator

Free online math tool to calculate percentages instantly.

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Loan Calculator - EMI & Interest

Free online loan calculator to estimate EMI, monthly loan payment, simple interest, and total borrowing cost for personal, business, and vehicle loans.

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CGPA Calculator

Calculate your semester GPA and cumulative CGPA using courses, grades, and credit hours, with multiple grading scales and Excel import supported.

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Age Calculator

Free online age calculator to find exact age in years, months, days, total weeks, and next birthday countdown from date of birth.

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BMI Calculator

Free BMI calculator to check body mass index, healthy weight range, and approximate weight change from height and weight.

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Discount Calculator

Free online discount calculator to find sale price, savings amount, final checkout total, and tax impact from original price and discount percentage.

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Average Calculator

Free online average calculator to find mean, median, total sum, and count from a list of numbers for marks, prices, and datasets.

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Scientific Calculator

Free scientific calculator online for arithmetic expressions, brackets, powers, square roots, and fast math calculations.

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Fraction Calculator

Free fraction calculator to add, subtract, multiply, divide, and simplify fractions with decimal, mixed number, and percentage output.

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Mixed Fraction Calculator

Calculate addition, subtraction, multiplication, and division of mixed numbers with exact reduced fractions, improper fraction conversion, and step-by-step solutions.

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Time Duration Calculator

Free time duration calculator to find the difference between two dates and times in days, hours, and minutes.

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Unit Converter

Free online unit converter for length, weight, and temperature conversions used in school, travel, shipping, and daily calculations.

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Zakat Calculator

Islamic Zakat calculator to estimate 2.5% Zakat on cash, gold, silver, investments, and business assets after deducting liabilities and checking Nisab.

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Mortgage Calculator

Free online mortgage calculator to estimate monthly home loan payments, mortgage interest, total repayment, and loan amount from property price and down payment.

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SIP Calculator

SIP calculator online to estimate mutual fund SIP maturity value, monthly investment growth, total invested amount, and expected returns with compounding.

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Compound Interest Calculator

Estimate how a starting balance and monthly deposits grow with interest compounded monthly at a fixed annual rate.

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ROI Calculator

ROI calculator to measure return on investment, net profit, total cost basis, and annualized return for business, stock, real estate, and marketing investments.

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Inflation Calculator

Inflation calculator to estimate future prices, cost of living increase, and purchasing power loss from current amount, inflation rate, and years.

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Retirement Savings Calculator

Retirement savings calculator to project retirement corpus, monthly retirement income, and savings gap from age, current savings, contributions, and return rate.

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Salary Calculator

Salary calculator to estimate monthly take-home pay, annual net salary, income tax, and deductions from gross salary and bonus.

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Tax Calculator

Tax calculator to estimate income tax due, taxable income, effective tax rate, and post-tax income from gross income, deductions, and credits.

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Currency Converter

Manual currency converter to convert money between currencies using an exchange rate and optional fee for travel budgets, invoices, and international price comparison.

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50/30/20 Budget Calculator

50/30/20 budget calculator to divide monthly after-tax income into needs, wants, savings, and leftover cash using editable budgeting percentages.

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Net Worth Calculator

Net worth calculator to measure personal wealth by subtracting liabilities from total assets including cash, investments, real estate, loans, and credit card debt.

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Pomodoro Timer

Free online Pomodoro timer with customizable focus and break durations. Track sessions, manage short and long breaks, and stay productive.

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Tip Calculator

Free online tip calculator to split bills and calculate tip amounts instantly. Choose tip percentage, enter bill amount, and split evenly between any number of people.

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Random Number Generator

Free online random number generator to generate single or multiple random numbers within any range. Set min, max, and quantity. Browser-based, no login, instant results.

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Countdown Timer

Free online countdown timer to any future date and time. See exactly how many days, hours, minutes, and seconds remain until your event, deadline, or launch date.

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Aspect Ratio Calculator

Free online aspect ratio calculator. Enter any two dimensions to find the missing value while keeping the correct aspect ratio for images, videos, and screens.

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Credit Card Payoff Calculator

Calculate your credit card payoff time and total interest from your balance, APR, and monthly payment, then see how extra payments or the minimum payment change the outcome.

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PDF Splitter

Split PDF by custom ranges, equal parts, or odd/even pages.

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Merge PDF

Combine multiple PDF files into a single PDF.

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Compress PDF

Reduce PDF file size by optimizing structure, with optional recompression of the JPEG photos inside.

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JPG / PNG to PDF Converter

Convert JPG, PNG, WebP or AVIF images into a single PDF file, one image per page, on image-sized, A4 or Letter pages.

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PDF to JPG / PNG Converter

Render each PDF page as a high-quality PNG or JPG image directly in your browser.

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Invoice Generator

Free online invoice generator to create professional PDF invoices with line items, tax, and totals. No signup, no login, instant download.

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Payslip Generator

Free payslip generator to create professional PDF payslips with earnings, deductions, and net pay. No login required, instant download.

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Robots.txt Generator

Generate a clean and Google-compliant robots.txt file for your website. Easily create allow or disallow rules, add sitemap URLs, and download the file instantly free with no login required.

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Domain Age Checker

Check a domain's registration date, age, expiry date, and registrar using free public RDAP registration records.

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Tweet Post Image Generator

Create clean tweet-style post images for Instagram and social media. Write your post, customize name, username, and profile picture, choose a theme, and export high-quality images free with no login required.

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Word Counter

Instantly count words, characters, sentences, and paragraphs.

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Case Converter

Convert text to uppercase, lowercase, title case, and more.

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Lorem Ipsum Generator

Generate customizable Lorem Ipsum placeholder text.

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Remove / Add Line Breaks

Remove line breaks, collapse blank lines, or trim lines.

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Fancy Text Generator

Generate stylish fancy text online free - no signup. Convert plain text into 7 Unicode styles (Bold Serif, Italic, Monospace, Circled, Upside Down, Strikethrough, Underline) for Instagram bios, TikTok, Twitter, and more. Copy and paste instantly.

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Username Generator

Generate unique, aesthetic usernames.

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Text Compare

Compare two texts line by line and see exactly which lines were added, deleted or left unchanged, with line numbers and a downloadable diff.

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Slug Generator

Generate clean URL slugs from titles, headings, keywords, and product names for SEO-friendly links.

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Duplicate Line Remover

Remove duplicate lines from keyword lists, emails, tags, logs, and other pasted text in one click.

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Readability Checker

Check readability score, sentence length, and writing complexity for blog posts, landing pages, and emails.

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Keyword Density Checker

Analyze keyword density, focus phrase frequency, and repeated terms in your article or landing page copy.

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Text Sorter

Sort text lines alphabetically or by length, remove duplicates, and clean pasted lists in seconds.

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Find and Replace

Find and replace words, phrases, and repeated text blocks instantly in your browser.

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Markdown Preview

Write Markdown and preview headings, lists, links, code, and basic formatting in real time.

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Sentence Counter

Count sentences, estimate reading time, and review average sentence length for any text block.

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Text Cleaner

Clean messy text by trimming lines, removing blank spaces, replacing tabs, and fixing copied formatting.

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Meta Title & Description Checker

Check SEO title and meta description length, preview search snippets, and review target keyword placement.

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Title Case Formatter

Convert headings into title case, headline case, or sentence case for blogs, ads, and landing pages.

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CSV Column Extractor

Extract a single column from pasted CSV data and turn it into a clean one-value-per-line list.

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Bullet List Cleaner

Clean pasted bullet lists by removing symbols, fixing spacing, deduplicating, and reformatting items.

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Reading Time Calculator

Estimate reading time, speaking time, and scan stats for articles, emails, scripts, and landing pages.

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Number to Words Converter

Free online number to words converter. Spell out any integer up to trillions in English. Useful for writing checks, legal documents, and amount-in-words fields.

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Audio Trimmer

Trim and cut any audio file online free - no upload to server. Set start and end points with the Start/End sliders, preview the cut, and download the trimmed clip as a WAV file instantly in your browser.

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Audio Speed Changer

Change the playback speed of an audio file your browser can decode, from 0.25x to 4x - works entirely in your browser with no uploads required. Note: speed change is done by resampling, so pitch shifts along with speed rather than staying preserved.

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BPM Detector

Estimate the tempo of a song in beats per minute from an audio file your browser can decode, such as MP3, WAV or OGG. Analysed on your device.

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Video Frame Extractor

Upload a video and capture a sequence of frames as JPEG thumbnails for preview - no watermark, no signup. This tool accepts video only (not images). Each frame is labelled with its timestamp and can be downloaded individually.

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GIF to JPEG Converter

Convert a GIF to a JPG (JPEG) image online free - the GIF's first frame on a white background, with adjustable quality and scale. Everything runs in your browser - no upload to a server.

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Video Screenshot Extractor

Extract and capture any frame from a video as an image online free. Load a local video file, seek to the exact moment, and save a full-resolution screenshot - no upload needed.

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Citation Generator

Manually enter source details to generate an APA, MLA, or Chicago reference-list citation online - no login required, no autocite lookup. Pick a style and a source type (journal article, web page, or book); the citation updates live as you type.

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Business Name Generator

Generate business name ideas online free - no login. Enter an optional keyword and pick an industry to get 12 randomly combined name suggestions instantly - availability isn't checked, so verify any name you like before using it.

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Privacy Policy Generator

Generate a free privacy policy template for your website or app online - no signup. Fill in your business details and toggle your data practices to get a generic starting-point document - not legal advice, and not tailored to any specific law.

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Terms & Conditions Generator

Generate a free Terms and Conditions template for your website or app online - no login. Enter your business details and pick a business type to get a generic starting-point document with type-specific clauses - not legal advice.

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Profit Margin Calculator

Calculate gross profit margin and markup percentage online free - no login. Enter your cost and revenue to instantly see profit amount, gross margin percentage, and markup - or reverse-solve for a selling price from a target margin.

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Break-Even Calculator

Calculate your break-even point online free - no signup. Enter fixed costs, variable cost per unit, and selling price to find exactly how many units you need to sell to break even, for a single product or service.

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CSS Box Shadow Generator

Generate CSS box shadow code online free with a live preview. Adjust offset, blur, spread, and color visually across multiple shadow layers, then copy the ready-to-use CSS snippet.

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CSS Border Radius Generator

Generate CSS border-radius code online free with a live shape preview. Control each corner independently, from 0 to 200px, and copy pixel-based border-radius CSS - no percentage or blob-shape support.

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CSS Gradient Generator

Free online CSS gradient generator for linear and radial gradients. Add color stops, set angle, preview live, and copy ready-to-use CSS code instantly.

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Glassmorphism CSS Generator

Generate frosted glass CSS effects online free with a live preview. Adjust blur, background opacity, and border opacity to create white-tinted glassmorphism UI cards and panels - no box-shadow, background color, or border color controls.

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Neumorphism CSS Generator

Generate soft UI neumorphism CSS effects online free with a live preview. Pick a background color and adjust blur, distance, and radius to create Flat, Concave, Convex, or Pressed button and card styles.

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Password Strength Checker

Check how strong your password is online free - nothing is saved or sent to any server. Get instant feedback from a 7-point length and character-variety checklist, plus an estimated crack time.

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Password Generator

Generate strong, secure passwords instantly in your browser - custom length, uppercase, lowercase, numbers, and symbols. No signup required.

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Calorie Calculator

Calculate your daily calorie needs online free - no login. Enter your age, gender, weight (kg), height (cm), and activity level to get your BMR, TDEE, and a 500-calorie deficit/surplus estimate. Not medical advice.

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Water Intake Calculator

Calculate how much water you should drink per day online free - no signup. Based on your weight, activity level, and climate, get a personalized daily hydration recommendation.

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Ideal Weight Calculator

Estimate ideal body weight from height and sex with the Devine, Miller and Robinson formulas, their average, and the BMI 18.5-24.9 weight range.

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Pregnancy Week Calculator

Calculate how many weeks pregnant you are online free - no login. Enter the first day of your last period or conception date to find your current pregnancy week and estimated due date.

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TDEE Calculator

Free TDEE calculator to find your Total Daily Energy Expenditure, BMR, and daily calorie needs for weight loss, maintenance, or muscle gain.

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Sleep Cycle Calculator

Free sleep cycle calculator to find the best time to wake up or go to sleep based on 90-minute sleep cycles so you feel refreshed every morning.

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GPA Calculator

Work out a credit-weighted GPA on a 4.0 scale from letter grades and credit hours. Enter one term for a semester GPA, or all your courses for a cumulative GPA.

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Grade Calculator

Calculate what grade you need to pass or reach a target score online free - no login. Enter your current grades and weights to see your overall grade and the minimum final exam score needed.

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Percentage to GPA Converter

Convert a percentage mark to a 4.0-scale GPA and letter grade using a common US scale, with the full conversion table shown.

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Words to Pages Calculator

Estimate how many pages a word count fills, for Times New Roman, Arial or Calibri at 10-14 pt, single, 1.5 or double-spaced.

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Days Until Calculator

Count the days from today until any date or event - a holiday, birthday or deadline - and see the same span as weeks plus days and as hours.

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Work Hours Calculator

Calculate total work hours and overtime online free - no login. Enter your start and end times for each day, add breaks, and instantly see total hours worked and overtime pay.

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Meeting Time Zone Planner

Plan meetings across multiple time zones online free - no login. Enter your cities and find the best overlap time for international meetings, with a clear visual comparison across zones.

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Timezone Converter

Free online timezone converter to convert date and time between any two world timezones instantly. No signup, no install, browser-based using the Intl API.

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CSV to JSON Converter

Convert CSV files to JSON format online free - no login. Paste or upload a CSV and instantly get a clean, formatted JSON array. Supports headers, custom delimiters, and download.

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HTML to Markdown Converter

Convert HTML code to Markdown format online free - no login. Paste raw HTML and get clean, readable Markdown output instantly. Supports headings, links, lists, bold, and images.

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JSON to Excel Converter

Convert JSON data to Excel spreadsheet online free - no login. Paste a JSON array and download a formatted .xlsx file instantly, with automatic column headers from object keys.

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Morse Code Translator

Translate text to Morse code and Morse code to text online free - no login. Instantly convert any message to dots and dashes, with audio playback and copy support.

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Binary to Text Converter

Convert binary code to text and text to binary online free - no login. Supports ASCII, UTF-8, and custom separators. Instantly decode any binary sequence into readable English.

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Pig Latin Translator

Translate English text to Pig Latin online free - no signup. Instantly convert any sentence to Pig Latin using the standard rules, and decode Pig Latin back to English.

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Text to ASCII Art Generator

Convert text to ASCII art online free - no login. Generate big block letter ASCII art from any text in multiple font styles. Copy and paste into chat, code comments, or terminals.

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Coin Flip Online

Flip a virtual coin online free - no login. Get a random heads or tails result instantly with a realistic flip animation. Flip multiple times and track your heads/tails history.

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Dice Roller Online

Roll virtual dice online free - no login. Choose any standard dice (d4, d6, d8, d10, d12, d20) or set a custom number of sides and dice. Roll multiple dice at once with history tracking.

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Spin the Wheel

Spin a random picker wheel online free - no login. Add your own options, spin the wheel, and get a random result. Perfect for classroom decisions, giveaways, and random choices.

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Rock Paper Scissors

Play Rock Paper Scissors against the computer online free - no login. Choose your move and see if you beat the computer. Tracks wins, losses, and draws across multiple rounds.

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Random Name Generator

Generate random names online free - no login. Get random full names, filtered by gender and origin, for characters, usernames, games, and writing projects. Filter by gender and origin.

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Typing Speed Test

Free online typing speed test to measure WPM, accuracy, and time. No signup, no install - just start typing and see your results instantly.

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Complete Tool Directory

Explore all free online calculators, format converters, and utilities grouped by area. None of them need an account, and most run directly in your browser.

Developer Tools10
Image Conversion13
Bulk Image Tools2
Image Tools14
Instagram Tools6
Math Tools15
Finance15
PDF Tools7
SEO Tools2
Social Media Tools1
Text Tools22
Audio Tools3
Video Tools3
Writing Tools1
Business Tools5
CSS Tools5
Security Tools2
Health Tools6
Student Tools4
Date & Time Tools4
File Tools3
Language Tools4
Fun Tools6

How to find the right free online tool

With 23 categories and 153 tools on this page, here's the fastest way to find what you need.

  1. Start with the category that matches your task.
  2. Use search when you already know the exact tool name or output you need.
  3. Open the utility, complete the task, and move to a related tool only if the workflow needs another step.

Popular categories

A few places to start: