Compress HEIC images — free, private, no upload
Browsers cannot re-encode HEIC, so "compressing" a HEIC means converting it — EditItAll compresses HEIC photos to JPEG or WebP at your chosen quality, which also fixes compatibility.
About compressing HEIC
HEIC is the format iPhones have shot in by default since iOS 11 (2017). It stores HEVC-compressed images at roughly half the size of equivalent JPEG, with HDR, depth maps and live photos. The catch is compatibility: Windows needs paid codecs, many websites reject uploads, and most browsers will not display it. Converting HEIC to JPEG (photos) or PNG (screenshots) remains the #1 fix for "why won't my iPhone photo open". EditItAll decodes HEIC locally in your browser — your photos never leave your device.
How to compress HEIC
- 1Drop HEIC files above — batches are fine, and nothing is uploaded.
- 2Pick a quality (80 is visually lossless for photos). The output format stays the same unless you change it.
- 3Watch each file’s size drop, then download individually or as a ZIP.
HEIC strengths & limitations
Strengths
- ~50% smaller than JPEG from your iPhone
- HDR, depth data, bursts, live photos
- 10-bit color support
Limitations
- Poor support outside Apple devices
- Websites and older software often reject it
- Licensing (HEVC) limits adoption
Frequently asked questions
How does HEIC compression work here?+
Browsers cannot re-encode HEIC, so "compressing" a HEIC means converting it — EditItAll compresses HEIC photos to JPEG or WebP at your chosen quality, which also fixes compatibility.
What quality setting should I use for HEIC?+
Quality 80 is the sweet spot for photos — visually identical to the original for almost everyone. Use 60–70 for thumbnails and previews, 90+ only when you plan to edit the image again later.
Is there a limit on file size or number of images?+
No hard limits: processing runs on your own device, so the only constraint is your browser’s memory for truly gigantic images. Batch as many files as you want.
Will compressing HEIC remove metadata?+
Yes. Output files are built from raw pixels, so EXIF data — GPS location, camera model, timestamps — is stripped. Orientation is baked into the pixels first so photos stay upright. This usually saves a few extra kilobytes too.
Are my images uploaded anywhere?+
No. The codecs run as WebAssembly in your browser; the page works offline once loaded. Files, previews and results all live in your device’s memory only.