AVIF vs WebP: Which Should You Use?

Side-by-side comparison of AVIF and WebP image formats — features, pros, cons, and conversion options.

Quick Answer

AVIF is best for Modern web images with best size-to-quality ratio. WebP is best for Web images balancing quality and file size.

Quick Verdict

AVIF Best for Modern web images with best size-to-quality ratio

✓ Best compression for images
✓ Supports lossy and lossless
✓ HDR and wide color gamut
✗ Slow encoding

Convert AVIF to WebP →

WebP Best for Web images balancing quality and file size

✓ Smaller than JPEG and PNG
✓ Supports lossy and lossless
✓ Animation and transparency
✗ Limited support in older browsers

Convert WebP to AVIF →

Specs Comparison

Side-by-side technical comparison of AVIF and WebP

Feature	AVIF	WebP
Category	Image	Image
Year Introduced	2019	2010
MIME Type	image/avif	image/webp
Extensions	.avif	.webp
Lossy	✓	✓
Lossless	✓	✓
Transparency	✓	✓
Animation	✓	✓
Max Color Depth	12-bit	8-bit
Hdr	✓	✗

Pros & Cons

AVIF

Pros

✓ Best compression for images
✓ Supports lossy and lossless
✓ HDR and wide color gamut

Cons

✗ Slow encoding
✗ Limited editor support
✗ Newer format with growing adoption

WebP

Pros

✓ Smaller than JPEG and PNG
✓ Supports lossy and lossless
✓ Animation and transparency

Cons

✗ Limited support in older browsers
✗ Lower max quality than PNG for lossless
✗ Editing tool support still growing

When to Use Each

Choose AVIF when...

You need files optimized for Modern web images with best size-to-quality ratio
Best compression for images
Supports lossy and lossless
You need lossless quality

Choose WebP when...

You need files optimized for Web images balancing quality and file size
Smaller than JPEG and PNG
Supports lossy and lossless
You need lossless quality

How to Convert

Convert between AVIF and WebP for free on ChangeThisFile

Convert AVIF to WebP Runs in your browser — files never leave your device Convert WebP to AVIF Runs in your browser — files never leave your device

Frequently Asked Questions

What's the difference between AVIF and WebP?

AVIF is best for Modern web images with best size-to-quality ratio, while WebP is best for Web images balancing quality and file size. Both are image formats but they differ in compression, compatibility, and intended use cases.

Is AVIF or WebP better for image?

It depends on your use case. AVIF is better for Modern web images with best size-to-quality ratio. WebP is better for Web images balancing quality and file size. Consider your specific requirements when choosing between them.

How do I convert AVIF to WebP?

Go to the AVIF to WebP converter on ChangeThisFile. The conversion runs entirely in your browser — your file never leaves your device. It's free with no signup required.

Can I convert WebP to AVIF?

Yes. ChangeThisFile supports WebP to AVIF conversion. The conversion runs in your browser with no upload required.

Which is smaller, AVIF or WebP?

File size depends on the content and compression settings. AVIF uses lossy compression for smaller files. WebP uses lossy compression for smaller files. For the smallest files, choose the format with lossy compression that meets your quality needs.

Does AVIF support hdr?

Yes, AVIF supports hdr, but WebP does not. This may be important depending on your use case.

Is AVIF or WebP free to use?

Both AVIF and WebP are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — browser-based conversions have no limits and your files never leave your device.

Which format is newer, AVIF or WebP?

AVIF is newer — it was introduced in 2019, while WebP dates back to 2010. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.