AVIFWEBP
AVIF to WEBP Converter
Convert AVIF images to WEBP in seconds. Your files are processed locally in your browser — nothing is uploaded.
- Animated images: only the first frame is converted.
Processed locally in your browser
Why convert AVIF to WEBP?
AVIF is extremely efficient but new; older software, many editors and some platforms cannot open it yet. WebP makes images noticeably smaller than JPG or PNG at similar quality, so pages load faster.
What changes when you convert AVIF to WEBP
- WEBP files are usually larger than AVIF files, because WEBP stores the image with less (or no) lossy compression.
- WEBP uses lossy compression. At the default quality (85) the difference is invisible for most images; raise it for maximum fidelity or lower it for smaller files.
- Transparency is preserved: WEBP supports an alpha channel.
- If your AVIF is animated, only the first frame is converted to WEBP.
- WEBP images can be at most 16,383 pixels wide or high; larger images are scaled down automatically.
How to convert AVIF to WEBP
- 1
Drop your AVIF files into the converter above, paste them, or click to choose files.
- 2
WEBP is already selected as the output format. Open Settings to adjust quality, size or metadata.
- 3
Click Convert. Each image is processed on your device in a moment.
- 4
Download your WEBP files one by one, or all together as a ZIP.
Private by design
This AVIF to WEBP converter runs entirely in your web browser using the same image engines that display web pages, plus WebAssembly encoders where needed. Your images are never uploaded for this conversion and nothing is stored.
AVIF to WEBP: questions & answers
Is converting AVIF to WEBP free?
Yes, completely free with no sign-up, no watermark and no daily limit.
Will I lose quality converting AVIF to WEBP?
WEBP is a lossy format, so a small amount of detail is traded for size. At quality 85–95 the difference is not visible for typical images. You can raise the quality in Settings.
Can I convert multiple AVIF files at once?
Yes. Drop as many files as you like; they are converted in parallel and can be downloaded individually or as a single ZIP.
Are my AVIF files uploaded?
No. The conversion runs locally in your browser, so your images never leave your device.
Does it work on iPhone and Android?
Yes. The converter works in current versions of Safari, Chrome, Firefox and Edge on phones, tablets and computers. Very large images may exceed the memory available to mobile browsers.
AVIF or WebP — which should I use?
AVIF usually produces smaller files at the same quality, especially for photos. WebP encodes faster and is supported by slightly older browsers. Many sites serve AVIF with a WebP or JPEG fallback using the HTML <picture> element.