Free SEO Tools Online – Robots.txt, Audit, Keywords & More
Effective SEO requires both technical discipline and content strategy. These free SEO tools cover the most actionable areas: robots.txt generation, keyword research and expansion, technical audit snapshots, Core Web Vitals checking, backlink domain snapshots, content brief generation, rank-to-traffic estimation, and domain age checking. Each tool is designed for practical use - producing outputs you can act on immediately.
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.
Keyword Research Companion
Pull free keyword suggestions and pair them with lightweight opportunity scoring so you can expand topic clusters without paid software.
Technical Audit Snapshot
Scan a single live page for quick technical SEO fail points such as HTTPS, canonical tags, headings, and missing metadata.
Core Web Vitals Check
Pull live Google PageSpeed results for performance, SEO, accessibility, and key loading metrics on mobile or desktop.
Backlink Snapshot
Run a free live domain snapshot that checks homepage link signals, robots and sitemap availability, social profile traces, and recent Common Crawl samples.
Content Brief Generator
Generate a no-cost SEO content brief with headings, search intent, FAQ prompts, audience framing, and topic seeds.
Rank & Traffic Estimator
Forecast traffic upside with a free CTR-curve model using search volume, current ranking, and target ranking.
Domain Age Checker
Check a domain's registration date, age, expiry date, and registrar using free public RDAP registration records.
How to use these tools
Select the tool that matches your task, open it, and follow the steps below.
- Find the tool that matches your task - for example: Robots.txt Generator, Keyword Research Companion, Technical Audit Snapshot.
- Open it and enter your input - no file upload, account, or install required.
- Use the result directly in your workflow, or move to a related tool for the next step.
Common ways to use these tools
- SEO Tools are most useful when you already know the task and want a fast result.
- Each tool in this category handles one specific job well rather than trying to be a general-purpose suite.
- Most workflows in this area involve two or three steps - use related tools in the same category to complete the full sequence.