WebP → AVIF

Input formats: PNG, JPEG, WebP, AVIF, HEIC, TIFF, GIF. Drag and drop a file or select manually.

Files stay in your browser
Your images are processed locally when possible. No registration required.
Drag & Drop here
or click to choose a file
Output format: AVIF
Limits: up to 20 files, 25 MB per file.

WebP to AVIF Online Converter

AVIF offers even better compression than WebP while maintaining excellent image quality. Ideal for improving website performance.

What happens when you convert WEBP to AVIF

This page prepares WEBP files for AVIF output. The converter decodes the source image, redraws it on a clean canvas and exports a new file in the selected format. This is useful when you need a file that opens in more apps, loads faster on a website, or fits a specific publishing workflow.

Conversion workflow

  1. Upload one or several WEBP files with the form above.
  2. The browser reads the image data and checks that the file type is supported.
  3. FormatKit creates a new AVIF file and keeps the original file unchanged.
  4. Download the result immediately after processing.

Format details

Input formatWEBP
Output formatAVIF
TransparencySupported
CompressionModern compression; browser support can affect export
CompatibilityBest in modern browsers and image pipelines

Best uses for AVIF

  • Creating very compact images for performance-focused websites.
  • Testing next-generation image delivery.
  • Reducing large photo libraries where modern browser support is acceptable.

Quality and limitations

The AVIF result depends on the original WEBP file and the export support in your browser. If a browser cannot decode or export a format, try PNG, JPEG or WebP as a more widely supported alternative.

File privacy

Conversion is designed to run in the browser whenever possible. Files are used only for the requested operation and are not published as a public archive.

Practical tips

  • Keep the original WEBP file until you have checked the downloaded AVIF result.
  • Use PNG when you need transparency and JPEG when compatibility matters most.
  • For websites, compare WebP and AVIF output visually before replacing production images.

FAQ

  • How does the online image converter work?
    You upload an image, select the desired output format, and download the converted file. The process is fully automatic.
  • Which image formats are supported?
    Supported formats include JPG (JPEG), PNG, WebP, AVIF, HEIC, TIFF, and GIF.
  • Is it safe to upload images?
    FormatKit is designed for browser-based conversion where supported. Files are used for the requested operation and no registration is required.
  • Do I need to sign up?
    No registration is required. Conversion is free to use.