Convert TIFF to AVIF Online Free
Convert TIFF images to AVIF, the modern web format with best-in-class compression. Conversion runs entirely in your browser — no file upload, no account needed.
To convert TIFF to AVIF, drop your TIFF into ChangeThisFile. The converter uses your browser's canvas API to decode the TIFF and encode it as AVIF — the most efficient modern image format. No upload required; everything runs locally on your device.
Convert TIFF to AVIF
Drop your TIFF file here to convert it instantly
Drag & drop your .tiff file here, or click to browse
Convert to AVIF instantly
TIFF vs AVIF: Format Comparison
Key differences between the two formats
| Feature | TIFF | AVIF |
|---|---|---|
| Compression | Lossless or none | Lossy and lossless |
| File size | Very large | Very small |
| Color depth | Up to 32-bit | Up to 12-bit per channel |
| HDR support | Yes | Yes |
| Transparency | Alpha channel | Alpha channel |
| Browser support | Limited | Chrome, Firefox, Safari 16+ |
| Best for | Print, archival | Web images, high-quality thumbnails |
When to Convert
Common scenarios where this conversion is useful
Web performance optimization
Convert large TIFF source images to AVIF for your website. AVIF offers 50% smaller file sizes than JPG at comparable quality, dramatically improving page load speed.
High-quality web photography
Photographers can deliver stunning detail with tiny file sizes by converting TIFF masters to AVIF, preserving tonal range while reducing storage and bandwidth costs.
E-commerce product images
Convert product photography from TIFF to AVIF for faster-loading product pages. Modern browsers display AVIF natively with excellent quality retention.
Portfolio and gallery sites
Deliver high-fidelity TIFF artwork in AVIF format for galleries and portfolios that need both visual quality and fast loading on modern browsers.
How to Convert TIFF to AVIF
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1
Drop your TIFF file
Drag and drop your TIFF file onto the ChangeThisFile converter, or click to select it from your device.
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2
Instant browser conversion
ChangeThisFile decodes your TIFF and encodes it as AVIF using your browser's canvas engine. No file is uploaded — conversion happens locally in seconds.
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3
Download your AVIF
Click the download button to save your new AVIF file. The result is a high-quality, compact image ready for web use.
Frequently Asked Questions
AVIF (AV1 Image File Format) is a modern image format offering significantly better compression than JPG or PNG while maintaining high quality. It's ideal for web use where file size affects page speed.
Yes. ChangeThisFile uses your browser's canvas API to convert TIFF to AVIF entirely on your device. No file is ever uploaded to a server.
AVIF is supported in Chrome 85+, Firefox 93+, and Safari 16+. For older browser compatibility, consider converting to WebP or JPG instead.
AVIF can be lossy or lossless. The browser canvas conversion uses a standard quality setting that produces excellent visual results at a fraction of the TIFF file size.
Yes. AVIF supports an alpha channel for transparency. Transparent areas in your TIFF will be preserved in the AVIF output.
AVIF files are typically 70-90% smaller than equivalent TIFF files, and 30-50% smaller than equivalent JPG files, depending on image content.
No enforced limit. Conversion runs in your browser and is limited only by your device's available memory. Most TIFF files convert without issues.
Yes, for modern browsers. You can also use an HTML picture element with AVIF as the primary source and a JPG fallback for older browsers.
Yes. The tool is completely free with no usage limits, no watermarks, and no account required.
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