Step-by-step instructions
- Open the JPG to AVIF converter. Go to converter.plus/jpg-to-avif in any modern browser on your computer or phone.
- Add your JPG files. Drag and drop your JPG files onto the upload area, or click it to browse your device and select them.
- Choose output format and quality. Select your preferred quality setting. The default is optimized for a great balance of file size and visual quality.
- Click Convert. Click the Convert button. Converter.Plus processes all files instantly in your browser — no upload or waiting required.
- Download your AVIF files. Download each converted image individually, or click Download All to save a ZIP archive containing all converted files.
Why convert JPG to AVIF?
AVIF offers significantly better compression than JPG and PNG at the same visual quality — making files smaller and websites faster. It is widely supported in all modern browsers.
What is JPG?
The most universally supported image format, compatible with every operating system, app, and online service.
Frequently asked questions
Can I convert JPG to AVIF for free?
Yes. Converter.Plus is completely free with no signup, no watermark, and no per-file limits.
Does this work on Windows / Mac / iPhone / Android?
Yes. Converter.Plus runs entirely in your browser, so it works on any modern OS — Windows, macOS, Linux, iPadOS, iOS, and Android — without installing software.
Are my JPG files uploaded to a server?
No. The conversion runs on your device using your browser's Canvas and WebAssembly APIs. Your files are never uploaded to any server.
Can I convert multiple JPG files at once?
Yes. Drag a whole folder of JPG files onto the converter. They are queued and converted one after another, then offered as a single ZIP download.