Convert Apple HEIC to TIFF — in your browser, no upload

Turn Apple HEIC RAW files into TIFF — lossless archival master — all at once. Files never leave your device; everything is decoded right here in your browser. No sign-up, no watermark, no limits.

What is an HEIC file?

HEIC is the photo format the iPhone has used by default since iOS 11 — Apple's name for an image stored in the HEIF container, compressed with HEVC. It packs the same picture into about half the size of a JPG, which is great on your phone but awkward everywhere else: Windows often can't open it, many websites and upload forms reject it, and Android phones may not show it. So the moment you move an iPhone photo off the phone, you usually need a JPG.

What is TIFF, and why convert HEIC to it?

TIFF is a lossless, high-fidelity image container long used in photography, printing and archiving. It stores the full developed image without compression artifacts and is the format many editing and print workflows expect as a master file. TIFFs are large, but they preserve every detail of the conversion.

Convert Apple HEIC to TIFF when you need an archival-quality master — for print, for handing into a professional editing pipeline (Photoshop, Affinity, print RIPs), or for long-term storage of the developed image outside the proprietary RAW. Pixadel decodes the HEIC fully and writes an uncompressed TIFF, so nothing is thrown away. Expect the largest file of any output here; for sharing or the web, choose JPG instead.

Why convert HEIC with Pixadel

The usual fixes are clumsy — email the photo to yourself to force a JPG, change a phone setting you'll forget, or install yet another app. Pixadel just converts it: drop your HEIC files and get JPGs back, all in the browser. Nothing uploads, there's no account or limit, and you can do a whole camera roll's worth at once into a single ZIP. It works the same on Windows, Mac, Android or anywhere with a browser.

How HEIC → TIFF conversion works

Pixadel decodes each HEIC with libheif compiled to WebAssembly — the same engine behind many native HEIC viewers — then re-encodes a clean JPG at the quality you choose (default 92), with an optional half-size export. Because everything runs locally, your photos never leave your device. A memory-aware worker pool converts many files in parallel and streams them into a ZIP, so a full import of hundreds of iPhone photos finishes without uploading a single byte.

Frequently asked questions

Why convert HEIC to TIFF instead of keeping the RAW?
The HEIC is a proprietary RAW that many editors and print shops can't open directly. A TIFF is a developed, standardized, lossless master that any professional tool accepts — useful when you need to hand the image off while keeping full quality.
Is the TIFF compressed?
Pixadel writes an uncompressed TIFF for maximum compatibility and fidelity, so files are large. If you need a smaller lossless file, PNG is usually more compact; for sharing, use JPG.
Why won’t my iPhone photos open on Windows or the web?
iPhones save photos as HEIC, a newer high-efficiency format many apps and sites don’t support yet. Converting to JPG makes them open everywhere. Pixadel does this in your browser without uploading anything.
Can I convert a whole camera roll at once?
Yes — drop a folder of HEIC files and Pixadel queues them all, converts in parallel, and hands you one ZIP of JPGs. There’s no cap on file count.
Are my photos uploaded to a server?
No. HEIC decoding runs entirely in your browser via libheif (WebAssembly). Your photos never leave your device — refresh the page and they’re gone.
Does converting lose quality, and what about location data?
You set the JPEG quality (default 92), and the image is fully decoded before re-encoding. The output JPG carries no metadata, so GPS and EXIF are dropped automatically — handy before sharing. To inspect or remove metadata while keeping a file, use the EXIF tool.
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