WEBP to AVIF Converter Online Free
Upgrade WEBP images to AVIF for even smaller, faster-loading files.
or drag & drop your image here
Your image is converted instantly after you choose it. Pick the output format above.
Free WEBP to AVIF Converter
This free online WEBP to AVIF converter turns your images in seconds — right in your browser, with no uploads and no account. Drop a WEBP file into the tool above and it is re-encoded as AVIF automatically, ready to download.
AVIF is the newest image format, built on the AV1 video codec. It produces the smallest files of any widely supported format — often about half the size of JPG at similar quality. Converting WEBP to AVIF gives you dramatically smaller files with excellent quality — ideal for websites and long-term storage.
Everything happens locally on your device using the HTML5 canvas API, so your WEBP never leaves your computer or phone — no upload, no waiting, no watermarks. You can also convert in the opposite direction with the AVIF to WEBP converter. Try WEBP to PNG or JPG to AVIF.
How to convert WEBP to AVIF
Upload your image
Click "Choose Image" or drag and drop your file. It is processed entirely on your device.
Pick the output format
Choose the target format from the dropdown. The conversion happens instantly.
Download
Save your converted image and use it anywhere — no upload, no account.
Why choose this WEBP to AVIF converter?
High-quality output
Re-encodes at 92% quality, so the converted image looks identical to the original.
Instant conversion
Your file is converted the moment you choose it — no waiting.
Private by Design
Images never leave your device — processed 100% in your browser.
100% Free
No signup, no watermarks, no limits. Use it as much as you need.
Frequently Asked Questions
What is AVIF?
AVIF is the newest image format, built on the AV1 video codec. It produces the smallest files of any widely supported format — often about half the size of JPG at similar quality.
What is WEBP?
WEBP is a modern web format that compresses photos 25–35% smaller than JPG while keeping quality.
Is AVIF better than WEBP?
It depends on the job. AVIF wins on file size and modern web use, while WEBP wins on compatibility with older software. This page exists so you can convert between the two depending on where the image needs to go.
How do I convert WEBP to AVIF?
Drag and drop your WEBP file or click "Choose Image". The tool converts it to AVIF instantly in your browser. Click Download to save the result.
What is the difference between WEBP and AVIF?
WEBP is a modern web format that compresses photos 25-35% smaller than JPG while keeping quality. AVIF is the newest image format, based on AV1 video compression, and typically produces the smallest files of all. The main differences are file size, compression and whether transparency is supported.
Will the conversion reduce quality?
The tool re-encodes at a high quality setting (92%), so visual quality stays excellent. If the output is a photo format like JPG, tiny differences from re-encoding are usually invisible.
Is my image uploaded during conversion?
No. Conversion happens entirely in your browser using the HTML5 canvas API. Your file never leaves your device.
Can I convert on my phone?
Yes — the converter is fully responsive and works in any modern mobile browser with no app or signup.