Convert JPG to AVIF
Batch convert JPG images to AVIF with quality control.
Runs on your device — never uploaded
Drop files here or click to browse
Accepts .jpg, .jpeg. Nothing is uploaded.
How to convert JPG to AVIF
- Add JPG files
Drop one or many JPG images. Each shows a thumbnail and size.
- Adjust quality
Pick the AVIF quality or leave the default for a good balance of size and sharpness.
- Download AVIF
Compare before and after, then download one file or a ZIP of all of them.
Frequently asked questions
Are my photos uploaded?
No. The image codecs run as WebAssembly in your browser. You can switch off Wi-Fi after the page loads and it still works.
Is there a file limit?
No. Convert as many images as you like, as large as your device can handle.
Will AVIF look the same as JPG?
AVIF is a lossy format; at the default quality differences are invisible at normal viewing sizes.