How to convert WebP to AVIF
- 1
Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
- 2
Convert WebP to AVIF
NexMedia converts WebP to AVIF on its own servers. Processing time depends on the file size and how busy the queue is.
- 3
Download the converted file
When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.
About WebP
WebP is an image format released by Google in 2010. It supports lossy and lossless compression, transparency and animation.
Websites use it to serve images smaller than the equivalent JPEG or PNG; all current browsers display it.
Some older desktop software and many print services still do not accept WebP files.
Convert WebP to AVIF online free, no account required — AVIF is a modern image format based on the AV1 video codec.
Change WebP to AVIF without losing quality — convert WebP to AVIF free in your browser.
Why won't the program I've used for years open my WebP images? The format only spread after 2020, so older software and some desktop apps still lack support — converting to JPG or PNG keeps them usable everywhere.
About AVIF
AVIF is an image format based on the AV1 video codec, published by the Alliance for Open Media in 2019. It supports lossy and lossless compression, transparency, HDR and wide colour.
Modern websites, which use it for images smaller than WebP or JPEG at similar quality.
Encoding AVIF is slow, and older software and operating systems may not open it.
Why convert images to AVIF? It is the smallest format today’s browsers accept, often half the size of JPG, with HDR and wide-colour support on top.
What changes when you convert WebP to AVIF
- The WebP picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.
- If the WebP is animated, only its first frame is converted to AVIF.
Settings you can change
Before you convert WebP to AVIF, you can adjust: Width, Height, Scale fit, Crop position, Never enlarge, Quality, Lossless, Progressive, Remove metadata, Auto-orient from EXIF, Rotate, and Background.
Limits
Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.
Your converted AVIF file is kept for 2 hours, then deleted.
WebP to AVIF: questions and answers
Does converting WebP to AVIF reduce quality?
The WebP picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.
What is the difference between WebP and AVIF?
WebP is Google's web image format with lossy or lossless compression. AVIF is a modern image format based on the AV1 video codec.
Can I change the settings when converting WebP to AVIF?
Before you convert WebP to AVIF, you can adjust: Width, Height, Scale fit, Crop position, Never enlarge, Quality, Lossless, Progressive, Remove metadata, Auto-orient from EXIF, Rotate, and Background.
Do I need an account to convert WebP to AVIF?
No. You can convert WebP to AVIF without an account; signing in raises the file-size and daily limits.
How long is my converted AVIF file kept?
The AVIF file you convert from WebP is kept for 2 hours, then deleted automatically.
What if my WebP is animated — do all frames become AVIF?
If the WebP is animated, only its first frame is converted to AVIF.
Is the AVIF an exact copy of my WebP?
The WebP picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.