Vertly
Convert now
All converters

AVIF to WebP Converter

Convert AVIF images to WEBP — free, private, and instant.

Need to convert AVIF to WebP? AVIF is a next-generation format based on the AV1 video codec. It delivers the smallest files of any common format at a given quality, with transparency and HDR support, and is now supported by most modern browsers. This free tool changes your AVIF image into WebP instantly — right inside your browser, with nothing uploaded to a server.

Why convert AVIF to WEBP?

1

AVIF support is newer than WebP, so some older devices and apps still can't open it — convert to JPG or PNG for those.

2

WebP is 25–35% smaller than jpg/png — a strong fit for speeding up websites.

How to convert AVIF to WEBP

  1. 1

    Add your AVIF file

    Drag your AVIF image onto the box above, or click to pick it from your device. It never leaves your computer.

  2. 2

    We convert it to WebP

    Your browser decodes the image and re-encodes it as WebP on the spot — no upload, no waiting in a queue.

  3. 3

    Download the WebP

    Save your new WebP file with one click. Convert as many as you like — it's free and unlimited.

Quality: Both AVIF and WebP are compressed formats. The conversion re-encodes the image at high quality; for most photos the difference is invisible while the file stays small.

The formats explained

AVIF

AVIF (AV1 Image File Format)

AVIF is a next-generation format based on the AV1 video codec. It delivers the smallest files of any common format at a given quality, with transparency and HDR support, and is now supported by most modern browsers.

Best for

  • Cutting-edge web performance
  • High-quality photos at tiny sizes
WebP

WebP (Web Picture format)

WebP is a modern format from Google that gives you smaller files than JPG or PNG at similar quality, with support for both transparency and animation. It's supported by every current browser.

Best for

  • Speeding up websites
  • Replacing JPG and PNG
  • Images where load time matters

Frequently asked questions

Is the AVIF to WebP converter free?

Yes, completely. There's no account, no watermark, and no limit on how many files you convert.

Are my AVIF files uploaded to a server?

No. The whole conversion runs locally in your browser using your device's own processing, so your image is never sent anywhere.

Will I lose quality converting AVIF to WebP?

Both AVIF and WebP are compressed formats. The conversion re-encodes the image at high quality; for most photos the difference is invisible while the file stays small.

What is a AVIF file?

AVIF is a next-generation format based on the AV1 video codec. It delivers the smallest files of any common format at a given quality, with transparency and HDR support, and is now supported by most modern browsers.

When should I use WebP?

WebP is best for Speeding up websites, Replacing JPG and PNG, Images where load time matters.

Does the converter work on my phone?

Yes. It runs in any modern browser on desktop or mobile — including converting iPhone photos.