Convert WEBP to AVIF Online
Both are modern web formats, but AVIF compresses even harder than WebP. Converting WEBP to AVIF squeezes out extra savings for bandwidth-critical delivery. Transparency is fully preserved — the alpha channel in your WEBP carries over to the AVIF output.
Conversion route
WEBP → AVIF
Output Settings
Balanced quality and size (recommended)
About WEBP to AVIF Conversion
This free online converter transforms WEBP images into AVIF format directly in your browser. WEBP is the modern web format from Google, while AVIF is the next-generation AV1-based format. Whether you need broader compatibility, smaller file sizes, or different editing capabilities, switching from WEBP to AVIF takes just a few seconds and requires no software installation.
Transparency is fully preserved during this conversion. The alpha channel in your WEBP image carries over to the AVIF output intact, so transparent backgrounds stay transparent and no edge detail is lost. The AVIF output uses efficient lossy compression, and a quality slider lets you balance file size against visual fidelity, defaulting to a value that suits the vast majority of images.
This conversion is popular with people who work with fast-loading websites and modern web apps, as well as anyone preparing images for performance-focused web delivery where bandwidth matters most. WEBP is not yet supported by every legacy tool and image editor, so moving to AVIF is a sensible, practical step. The result is a clean file that is ready to share, upload, publish, or edit further in your favorite tools.
Your privacy is protected throughout the entire process. Conversion happens entirely inside your browser, so your files never leave your device and are never uploaded to any server. The tool is completely free, handles multiple files at once, and works on any device with a modern browser, making it simple to convert WEBP to AVIF whenever you need to.
How to Convert WEBP to AVIF
- 1
Upload your WEBP file by dragging it into the box or clicking to browse. You can add multiple files at once.
- 2
Adjust the quality slider (1–100) to balance AVIF file size and fidelity. The default of 85 suits most images.
- 3
Click Convert. Your WEBP is converted right inside your browser.
- 4
Download your new AVIF file when processing finishes.
Why Use This Converter
Simple conversion
Convert WEBP to AVIF with no software installation.
Private by design
Your files are converted entirely inside your browser and never leave your device.
Quality control
Fine-tune the AVIF output with a quality slider from 1 to 100 (default 85).
Transparency preserved
Alpha channels are kept intact in the converted file.
Frequently Asked Questions
Is AVIF smaller than WEBP?
Generally yes — AVIF typically achieves 20-30% smaller files than WebP at the same quality, at the cost of slower encoding.
Do I need to install software to convert WEBP to AVIF?
No. The conversion runs through the web interface and the result is available as a download.
How is my WEBP file processed?
This direction converts your file entirely inside your browser. The file never leaves your device and is not uploaded to any server.
What's the maximum WEBP file size?
You can upload files up to 50 MB for this direction.