Compress HEIC Online

Reduce iPhone HEIC photo file size for email, social media and storage. LessMB compresses HEIC images locally in your browser and can convert to JPEG or WebP.

Drop your file here, or

Files stay on your device

JPG · PNG · WebP · GIF · AVIF · SVG

No upload required100% free foreverWorks in your browser
How it works

Compress HEIC Online for private browser workflows

Shrink iPhone photos

iPhone photos can be 3-5MB each. Compress HEIC files to reduce storage use and make them easier to share via email and messaging.

Convert while compressing

Convert HEIC to JPEG for universal compatibility or WebP for smaller files with modern browser support.

Private local processing

Your iPhone photos are processed entirely in your browser. Personal images never leave your device.

Common use cases

Compress iPhone photos to fit email attachment limits.

Email attachments

Reduce the size of your photo library for cloud and local storage.

Storage management

Optimize iPhone photos for blog posts, product pages and social media.

Web publishing

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FAQ

Compress HEIC Online FAQ

Answers for the most common questions about this tool, supported workflows, and local browser processing.

No uploadFree toolBrowser-based
Can I compress HEIC files for free?

Yes. LessMB compresses HEIC files for free in your browser without requiring an account.

Can I convert HEIC to JPEG while compressing?

Yes. LessMB can convert HEIC to JPEG or WebP during compression for broader compatibility.

Are my photos uploaded?

No. Compression runs locally in your browser session. Personal photos stay on your device.