JPG to AVIF Converter
Convert JPG images to AVIF online for free. 100% private browser conversion — no server upload.
Drop images here
JPG, PNG, WebP, HEIC, GIF, BMP, AVIF, TIFF, ICO
Up to 10 files · 25 MB each · 80 MB total
Files stay on your device100% Private
Conversion runs locally in your browser — files never leave your device.
Batch Convert
Convert up to 10 images at once and download everything as a ZIP.
Lossless Options
Choose quality per file or apply a global setting across your batch.
How to
How to Convert JPG to AVIF
- Click "Choose Files" and select your JPG images.
- Confirm "AVIF" as the output format (pre-selected on this page).
- Click "Convert to AVIF" and download your converted files.
Formats
About these image formats
What is JPG?
JPG (JPEG) is the most widely used image format for photographs and web graphics. It uses lossy compression to keep file sizes small while maintaining good visual quality for photos.
How to open: JPG files open in every web browser, image viewer, and editing app — including Photos on Windows and Mac, Chrome, and GIMP.
Best for: Use JPG for photographs, social media uploads, email attachments, and anywhere universal compatibility matters.
What is AVIF?
AVIF (AV1 Image File Format) is a next-generation image format with excellent compression. AVIF files are often 50% smaller than JPEG at similar quality.
How to open: AVIF is supported in Chrome, Firefox, Safari 16+, and Edge. Older software may require conversion to JPG or PNG.
Best for: Use AVIF for modern websites and apps. Convert to JPG when you need universal compatibility.
FAQ
Frequently asked questions
Are my files uploaded to a server?
No. ImageConverter runs entirely in your browser. Your files never leave your device — you can verify this in your browser's network tab.
Is JPG to AVIF conversion free?
Yes. ImageConverter is free with no signup, no watermarks, and no file limits beyond your device's memory.
How much smaller is AVIF than JPG?
AVIF typically produces files 40–50% smaller than JPG at equivalent visual quality, which makes it a strong choice for speeding up web pages.
Can I convert multiple JPG files at once?
Yes. Add multiple files and convert them in one batch. Each converted AVIF file can be downloaded individually.
Which browsers are supported?
ImageConverter works in Chrome, Firefox, Safari, and Edge. WebP output requires a modern browser with WebP encoding support.