How to Convert HEIC to JPG Free Online - Open iPhone Photos on Any Device

You share photos from your iPhone and the person on the other end can't open them. Or you're uploading images to a service and it rejects the HEIC format. HEIC is Apple's default photo format since iOS 11, efficient in file size, but not supported by most Windows applications or many online platforms that haven't updated to handle it.

Converting HEIC to JPG is the practical fix. CoditTools has a free HEIC converter that runs in your browser, without installing anything or uploading to a third-party server. Here's what the conversion actually does and how to use it.

Why Apple uses HEIC

HEIC (High Efficiency Image Container) uses the HEVC compression standard, the same technology behind H.265 video compression. It produces files roughly half the size of equivalent JPGs while maintaining comparable visual quality. For iPhone users who take hundreds of photos, this saves significant storage space.

HEIC also supports features that JPG doesn't: 16-bit color depth (compared to JPG's 8-bit), HDR image data, transparency, and sequences of images (like Live Photos). These are genuinely useful capabilities. The problem is compatibility: HEIC adoption outside Apple's ecosystem has been slow.

Windows 10 and 11 support HEIC only with the optional HEIF Image Extensions codec from the Microsoft Store (free, but not installed by default). Most third-party Windows image editors and viewers, along with many websites and apps, don't support it without specific updates. JPG remains universally compatible.

How to convert HEIC to JPG on CoditTools

1. Open the HEIC to JPG converter.
2. Upload your HEIC file by clicking the upload area or dragging the file in. Most iPhones save photos with a .heic extension.
3. Set the output quality if the tool offers it. 85 to 90 percent quality preserves visual fidelity for most photos while keeping the output file size reasonable.
4. Click convert. The tool processes the image in your browser.
5. Download the JPG file to your device.

For converting multiple HEIC photos at once, use the batch conversion options available in the image conversion category. Processing them one at a time is slow if you have more than a few.

JPG vs PNG for converted HEIC photos

Most people convert HEIC to JPG, and for sharing and uploading, that's the right choice. JPG is universally supported, produces compact files, and is appropriate for photos. The quality difference between a HEIC original and a well-compressed JPG (85+ quality) is imperceptible in most viewing contexts.

Converting to PNG instead produces a lossless file: no quality is lost in the compression. PNG files are significantly larger than JPG for photographic content. PNG makes sense for HEIC images containing screenshots, charts, text, or graphics with flat colors where JPG compression artifacts would be visible. For regular photography, JPG at high quality is the correct target format.

If you need PNG specifically, CoditTools also has a HEIC to PNG converter that handles that conversion.

Common mistakes when converting HEIC files

Compressing too aggressively. Setting JPG quality below 70 when converting from HEIC produces visible compression artifacts: blocky areas in smooth gradients, noise around sharp edges. HEIC originals are high-quality photos. Downgrading them to low-quality JPGs throws away the quality advantage that HEIC was providing. Keep output quality at 80 or above.

Not keeping the original HEIC file. The conversion is one-way: you can go from HEIC to JPG but not back to HEIC with the same quality. Keep your original HEIC files if storage allows. Only distribute the JPG versions. This lets you reconvert at a different quality setting later if needed.

Converting and then sharing via a messaging app that recompresses the image. Many messaging apps (WhatsApp, Messenger) apply their own compression when you send images. If final quality matters, share the file directly rather than through a messaging app that will re-encode it.

What to do next

If you regularly work with iPhone photos and need them in a compatible format for Windows or web use, set up a workflow that converts them automatically or in batches. The image conversion tools handle common combinations including HEIC to JPG, PNG, and WebP.

For reducing the file size of converted JPGs, the image compressor in the image tools category gives you fine control over quality and compression after conversion.

Keep your original files, convert for distribution, and use the right quality settings the first time.