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WebP & AVIF Converter
Pick a PNG or JPEG, set quality, press WebP or AVIF, then download. Encoding runs in this tab. The original file is not uploaded. AVIF needs a current browser; if this one cannot write it, the button stays off.
What it is for?Transparent pixels stay transparent in WebP and AVIF. Camera data in the file (EXIF: date, GPS, orientation) is discarded.
What it is for?
WebP and AVIF are image formats built for the web. A photo that is 1.4 MB as JPEG is often 300–500 KB as WebP at quality 80, with little visible change. Use this when you already have a PNG or JPEG and want a smaller file to put on a site.
How it works
The picture is drawn onto a canvas, then the browser encodes it. Quality is 40–100; 80 is a solid default for photographs. “Longest side” resizes both width and height so the longer edge matches that number, in pixels. 0 means do not resize. If a side is over 4096 pixels, it is cut down to 4096 so the tab does not run out of memory.
Limits
- Some browsers cannot write AVIF. If this one cannot, the AVIF button is disabled.
- An animated GIF becomes a single still frame.
- Embedded camera data (EXIF) is dropped, including rotation tags. A photo saved sideways may stay sideways.
- One file at a time. There is no folder upload.
It stays in the browser
The file is not uploaded. If you only need the file as a Base64 string, use the Base64 tool.