Convert WEBP to AVIF Online — Free & Private

Convert your WEBP images to AVIF format directly in your browser. No file uploads, no server — your images stay on your device.

Drop your images here

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Accepts JPEG, PNG, WebP, AVIF, TIFF, GIF, BMP, HEIC, PSD, SVG

85%

How to Convert WEBP to AVIF

  1. Click the drop zone above or drag and drop your WEBP image(s) into it.
  2. Make sure AVIF is selected as the output format.
  3. Adjust the quality slider if needed (higher = better quality, larger file).
  4. Click "Convert all" and wait for the conversion to complete.
  5. Download your converted AVIF file(s).

What is WEBP?

WebP Image Format (WEBP) — A modern format developed by Google offering both lossy and lossless compression. Produces files 25–35% smaller than JPEG at equivalent quality, with transparency support.

  • Format type: Lossy / Lossless
  • File extension: .webp

What is AVIF?

AV1 Image File Format (AVIF) — A next-generation format based on the AV1 video codec. Delivers superior compression — up to 50% smaller than JPEG — with support for HDR, wide color gamut, and transparency.

  • Format type: Lossy / Lossless
  • File extension: .avif

Why Convert WEBP to AVIF?

Both WEBP and AVIF are lossless formats, so converting between them preserves full image quality. This conversion is useful for compatibility — AVIF may be better supported by your software, platform, or workflow.

WEBP vs AVIF — Key Differences

Feature WEBP AVIF
Full name WebP Image Format AV1 Image File Format
Compression Lossy / Lossless Lossy / Lossless
File extension .webp .avif

Frequently Asked Questions

Is this converter free?

Yes, completely free. There are no limits on the number of conversions, no file size restrictions, and no account required.

Is my image data safe?

Absolutely. Your files never leave your device. All conversion happens locally in your browser using the Canvas API — no data is uploaded to any server.

What browsers are supported?

This converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Some output formats (AVIF, WebP) may have limited support in older browsers.

Can I convert multiple files at once?

Yes. You can drop or select multiple WEBP files and they will all be converted to AVIF in sequence.

Will I lose quality when converting?

No. AVIF is a lossless format, so the conversion preserves all image data without any quality loss.