Convert WEBP to AVIF

WEBP to AVIF converter that runs entirely in your browser. 100% free, no signup, no upload — your files never leave your device. One-click batch conversion.

Conversions

Drop any file here or click to browse

All file types supported

About formats

WEBP

WEBP is a modern image format developed by Google, providing both lossy and lossless compression along with alpha-channel transparency and animation. WEBP produces files significantly smaller than JPEG and PNG and is supported by all modern browsers, making it an excellent format for the web.

Developer: Google
Initial release: 2010
Compression: Lossy or lossless
Color depth: up to 16-bit
Transparency: Yes
Animation: Yes

Best for

Optimizing web page images
Replacing JPG and PNG on websites
Transparent web graphics
Animated web images
Reducing image payload size

Pros

+Both lossy and lossless compression
+Supports transparency and animation
+Significantly smaller than JPG and PNG
+Supported by all modern browsers

Cons

−Older browsers lack support
−Less support in some image editors
−No EXIF handling as standardized as JPG
−Animation support less common than GIF universally

AVIF

AVIF (AV1 Image File Format) is a modern, royalty-free image format based on the AV1 video codec. It delivers dramatically better compression than JPEG and PNG — often halving file sizes — while supporting high dynamic range (HDR), 10+ bit color, and alpha transparency. AVIF is supported by Chrome, Firefox, and Android.

Developer: Alliance for Open Media
Initial release: 2019
Compression: Lossy or lossless
Color depth: up to 12-bit HDR
Transparency: Yes
Animation: Yes

Best for

Next-generation web image optimization
HDR photography on the web
Reducing image payload dramatically
Modern browser image delivery
High-efficiency image archival

Pros

+Often halves file sizes vs JPEG and PNG
+Supports HDR and 10+ bit color
+Alpha transparency and animation
+Royalty-free and open

Cons

−Slower to encode than JPG
−Limited support in older browsers and tools
−Less editing software support
−Hardware decoding still maturing

How to convert WEBP to AVIF

1
Select WEBP files from your computer, Google Drive, Dropbox, a URL, or by dragging them onto the page.
2
Choose avif — or any other format you need as a result (more than 200 formats supported).
3
Let the file convert, then download your avif file right away.

WEBP vs AVIF

Property	WEBP	AVIF
Compression	Lossy or lossless	Lossy or lossless
Transparency	Yes	Yes
Animation	Yes	Yes
Color depth	up to 16-bit	up to 12-bit HDR
Open format	Yes	Yes

When to use WEBP vs AVIF

WEBP

Optimizing web page images
Replacing JPG and PNG on websites
Transparent web graphics
Animated web images
Reducing image payload size

AVIF

Next-generation web image optimization
HDR photography on the web
Reducing image payload dramatically
Modern browser image delivery
High-efficiency image archival

Use cases for WEBP → AVIF

Optimizing web page images
Replacing JPG and PNG on websites
Transparent web graphics
Animated web images
Reducing image payload size
Next-generation web image optimization
HDR photography on the web
Reducing image payload dramatically
Modern browser image delivery
High-efficiency image archival

Frequently Asked Questions

Is converting WEBP to AVIF free?

Yes. This WEBP → AVIF converter runs entirely in your browser and is completely free — no account, no credits, no watermark.

Which devices and platforms can I use to convert WEBP to AVIF?

Any modern device with a current web browser: Windows, macOS, Linux, Android, iPhone and iPad. There is nothing to install — the conversion happens locally.

Are my WEBP files uploaded to a server?

No. Files never leave your device. The entire WEBP → AVIF conversion runs locally in your browser, so your data stays private.

Can I convert multiple WEBP files at once?

Yes — batch conversion is supported. Add as many WEBP files as you like and convert them to AVIF in one pass, then download the results together.

What is the maximum file size?

There is no fixed server-side limit because the conversion happens in your browser. Practical limits depend on the available memory and CPU of your device.

Will converting WEBP to AVIF reduce the quality?

Because both formats use lossy compression, the AVIF output will not bring back any quality that has already been lost in your WEBP file. Avoid repeated re-encoding to keep the best quality.

Will transparency be preserved when converting WEBP to AVIF?

Yes. Both WEBP and AVIF support alpha-channel transparency, so transparent areas of your file are kept unchanged in the AVIF output.

How will the file size change after converting WEBP to AVIF?

Both formats use comparable compression, so the AVIF output will be similar in size to your WEBP file — typically within 10–20% of each other.

Related Conversions

Specific converters

FREE

100% Free

No hidden fees, no subscriptions, and no limits. Enjoy complete access to all features gratis.

SIGNUP

No Signup Required

Start converting immediately without creating an account or sharing email address.

PRIVACY

Private & Secure

Your files never leave your device. All processing is completed locally for maximum privacy.

BATCH

Batch Conversion

Convert multiple files simultaneously to save time. Fast and efficient multi-file queue.

LOCAL

Runs in Browser

Utilizes advanced client-side WebAssembly technology to process files directly inside your tab.

FORMATS

200+ Formats

Supports a wide variety of formats including images, documents, audio, video, and more.

USER REVIEWS

Convert WEBP to AVIF Quality Rating

4.8

25 reviews

How was your experience? You need to convert and download at least one file to provide feedback!