Convert tool
Convert WebP to AVIF
This tool is useful when a publishing workflow specifically calls for AVIF. Both formats can be lossy, so compare the output carefully and avoid conversion when the existing WebP already meets your size and compatibility needs.
WebP to AVIF
Re-encode a still WebP image as AVIF. This route opens the shared Image Studio with a focused preset.
Output
WebP is a practical default for most images.
This tool always converts to AVIF.
Why this format?
Choose the color for transparent areas.
Compression
A practical quality and file-size balance at the original dimensions.
Process
Process the selected images.
Image queue
0 images
Before / After
How it works
Three steps, entirely on your device
- 1
Choose a still WebP file.
- 2
Set AVIF quality and optional transforms.
- 3
Convert and compare the actual output size.
Privacy and support
WebP decode and AVIF encoding run on the device. Selected files are never sent to the codec provider.
Supported formats
Still WebP input and AVIF output are supported in current Chromium, Firefox, and WebKit tests.
Limitations
- Animated WebP is flattened to a decoded frame.
- Repeated lossy conversion can reduce quality.
- The AVIF worker is intentionally sequential.
FAQ
Frequently asked questions
Is AVIF always smaller than WebP?
No. Image content and quality settings matter, so use the measured result.
Will WebP animation survive?
No. Animated output is outside this still-image engine.
Why process only one at a time?
AVIF can hold several large RGBA and WASM buffers at once; sequential work reduces memory failures.