Convert WebP to AVIF
Convert WebP files to AVIF in your browser. AVIF files are typically smaller than WebP. Note: converting from lossless WebP to lossy AVIF discards some detail in exchange for smaller files. Free, no upload, no signup.
Output format
AVIF
01 — Overview
Why convert WebP to AVIF
AVIF is a more practical choice than WebP for most modern workflows. Hero images and other content where every byte matters
02 — Comparison
WebP vs AVIF
| Attribute | WebP | AVIF |
|---|---|---|
| Compression | Lossy or lossless | Lossy |
| Transparency | Yes | Yes |
| Animation | Yes | Yes |
| Typical file size | Medium | Small |
| Browser support | Supported by every evergreen browser since 2020 (Chrome, Firefox, Safari 14+, Edge). Older systems and some editing tools still struggle. | Supported in Chrome, Firefox, Safari 16+, and Edge. Pre-2022 devices may not decode it. |
03 — How to
Three steps
- 01
Drop your WebP files
Drag one or more WebP files onto the dropzone above, or click to browse. Files stay on your device — nothing uploads.
- 02
Convert in your browser
convert.now decodes each WebP and re-encodes it as AVIF via WebAssembly. The conversion runs in a Web Worker so the page stays responsive.
- 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
06 — More