Convert WebP to AVIF Online
WebP is a modern image format created by Google that offers both lossy and lossless compression, along with alpha transparency and optional animation. AVIF is a cutting-edge image format built on the AV1 video codec. AnyConvert converts WebP to AVIF securely without installing desktop software.
WebP to AVIF Converter
Convert your WEBP files to AVIF format quickly and easily. Upload your file and download the result.
Max file size: 50MB
Why convert WebP to AVIF?
Switching from WebP helps you avoid legacy browsers such as older versions of safari lack native support. AVIF excels at significant savings over jpeg and often webp for photographic content, making it a better fit when clients or platforms expect high-quality hero imagery with hdr on modern websites.
AV1 Image File Format also offers supports hdr, wide color gamuts, alpha transparency, and animation. That means your converted files stay useful for high-quality hero imagery with hdr on modern websites and mobile applications that need pristine visuals at minimal bandwidth cost.
WebP strengths
- Smaller file sizes than JPEG and PNG for equivalent visual quality
- Supports both lossy and lossless compression within the same format
- Offers animation capabilities as a lighter alternative to GIF
AVIF advantages
- Significant savings over JPEG and often WebP for photographic content
- Supports HDR, wide color gamuts, alpha transparency, and animation
- Royalty-free and engineered for efficient delivery on modern hardware
Key differences
| Feature | WebP | AVIF |
|---|---|---|
| Compression | Lossy or lossless | Lossy |
| Transparency / Alpha | Supports alpha channel | Supports alpha channel |
| Typical file size | Varies (depends on chosen codec) | Compact (lossy compression) |
| Best suited for | Optimized product imagery on e-commerce sites and High-density responsive images served through modern CDNs | High-quality hero imagery with HDR on modern websites and Mobile applications that need pristine visuals at minimal bandwidth cost |
| Standard | Open, royalty-free specification | Open, royalty-free specification |
Before you convert
- Keep a backup of your original file before converting so you can roll back if needed.
- Review known pain points: Image editing support is improving but still less universal than JPEG/PNG. Adjust your source file accordingly.
Quality tips
- Use the resize controls to match the pixel dimensions your project actually needs.
- Preview the background fill—set it to white, black, or brand colors so transparent elements look intentional.
- Start with a high-quality setting (85–90%) and only reduce it if file size targets demand it.
- Download the result immediately and open it in the target application to verify everything matches expectations.
Where AVIF fits best
Once you have the converted file, you can plug it straight into high-quality hero imagery with hdr on modern websites, mobile applications that need pristine visuals at minimal bandwidth cost, and delivery of ui assets that combine transparency and photographic detail. AVIF is the format teams expect in those environments, so you spend less time re-exporting or explaining compatibility issues.
Common AVIF use cases
- High-quality hero imagery with HDR on modern websites
- Mobile applications that need pristine visuals at minimal bandwidth cost
- Delivery of UI assets that combine transparency and photographic detail
Tools that open AVIF
- libavif
- Squoosh
- Sharp
Frequently asked questions
Does converting WebP to AVIF reduce quality?
Yes, AVIF uses lossy compression. Start with the highest quality setting available and compare the converted file against your original. If you need a perfect copy, keep the WebP source as an archive.
Is there a file size limit for converting WebP?
Yes—uploads up to 150 MB convert reliably in the browser. For larger assets, split them into smaller segments first so the process stays responsive.