Convert TIFF to QOI

Convert TIFF files to QOI locally, completely free and with maximum privacy.

Drag and drop your files here

or click to browse local files (large files supported, limited only by browser RAM)

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How to convert TIFF to QOI

  1. Drop your .tiff files above, or click Upload Files. You can add many files at once.
  2. QOI is already selected as the output. Open the settings (gear icon) to fine-tune the result.
  3. Click Convert All. ImageMagick runs inside your browser through WebAssembly; nothing is uploaded.
  4. Download your .qoi files as soon as each one finishes.

What to know about TIFF to QOI conversion

  • Transparency is preserved: QOI supports an alpha channel just like TIFF.
  • QOI is best for very fast lossless encoding in apps and games, and opens in specialized viewers and some image editors.

TIFF vs QOI

FeatureTIFF (Tagged Image File Format)QOI (Quite OK Image Format)
Compressionlossy or losslesslossless
TransparencyYesYes
AnimationNoNo
Best forprinting, scanning and long-term archivingvery fast lossless encoding in apps and games
Opens inPhotoshop, GIMP, Affinity Photo and most image viewers, and publishing softwarespecialized viewers and some image editors

TIFF (Tagged Image File Format): A high-quality graphics format popular among photographers and publishers for printing and storing raw details.

QOI (Quite OK Image Format): A fast, simple lossless image format with compression comparable to PNG and much faster encoding.

Conversion options

  • Resize by width, height or both (aspect ratio is preserved)
  • Filters: grayscale, sepia, blur and sharpen
  • Custom output file name

Frequently asked questions

Is it safe to convert TIFF to QOI here?

Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.

Is there a file size limit?

There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.

Can I convert several TIFF files at once?

Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.

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