Convert TIFF to AVIF

Convert TIFF files to AVIF in your browser. AVIF files are typically smaller than TIFF. Note: converting from lossless TIFF to lossy AVIF discards some detail in exchange for smaller files. Free, no upload, no signup.

Output format

AVIF

82%

01 — Overview

Why convert TIFF to AVIF

AVIF files are typically much smaller than TIFF at equivalent quality — usually the main reason to make this conversion. Smaller files mean faster page loads, smaller email attachments, and less storage.

02 — Comparison

TIFF vs AVIF

AttributeTIFFAVIF
CompressionLossy or losslessLossy
TransparencyYesYes
AnimationNoYes
Typical file sizeVery largeSmall
Browser supportNot supported in any major browser. Web-bound TIFFs need converting.Supported in Chrome, Firefox, Safari 16+, and Edge. Pre-2022 devices may not decode it.

03 — How to

Three steps

  1. 01

    Drop your TIFF files

    Drag one or more TIFF files onto the dropzone above, or click to browse. Files stay on your device — nothing uploads.

  2. 02

    Convert in your browser

    convert.now decodes each TIFF and re-encodes it as AVIF via WebAssembly. The conversion runs in a Web Worker so the page stays responsive.

  3. 03

    Download the result

    Download a single AVIF file or, for batch conversions, a zip of all converted files. Filenames preserve the originals.

04 — Pillars

Why convert.now

  • Private

    Files stay in your browser. No upload step. Nothing for anyone to see.

  • Fast

    No queue, no upload wait. Conversion starts the moment you drop a file.

  • Free

    No ads. No file-count limit. No sign-up wall. Just the converter.

05 — FAQ

Frequently asked

No. The conversion from TIFF to AVIF runs entirely in your browser using WebAssembly. Files never leave your device. Open DevTools' Network tab if you'd like to verify — there are no network requests with file contents.

06 — More

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