JPG to AVIF Converter
Convert Joint Photographic Experts Group (JPG) to AV1 Image File Format (AVIF) online for free. Runs 100% in your browser. Files never leave your device. No signup, no watermarks, no limits.
Drag & drop files here
or
Choose filesProcessed on your device. Nothing is uploaded
How to JPG to AVIF convert files
- 01Add your files
Click “Choose Files” or drag and drop them onto the page. Batch conversion is supported.
- 02Adjust settings
Pick quality, size or other options. Sensible defaults are pre-selected.
- 03Convert & download
Hit Convert and download your files. Everything runs locally. Nothing is uploaded.
What is a JPG (Joint Photographic Experts Group) file?
JPG (JPEG) is the most widely used lossy image format. It achieves small file sizes by discarding visually negligible detail, making it ideal for photographs and web publishing.
- Developed by
- Joint Photographic Experts Group
- Initial release
- 1992
What is a AVIF (AV1 Image File Format) file?
AVIF is a next-generation image format based on the AV1 video codec. It delivers dramatically smaller files than JPG at comparable quality and supports HDR and transparency.
- Developed by
- Alliance for Open Media
- Initial release
- 2019
Frequently asked questions
How do I convert JPG to AVIF?
Click “Choose Files” or drag your JPG file onto the page, optionally adjust the settings, then hit Convert. Your AVIF file downloads straight from your browser. Nothing is uploaded anywhere.
Is this JPG to AVIF converter free?
Yes, completely free with no hidden limits, watermarks or signup. Because all processing happens on your own device, there are no server costs to pass on to you.
Are my files uploaded to a server?
No. The conversion engine runs entirely in your web browser using WebAssembly. Your files never leave your device. You can even disconnect from the internet after the page loads and keep converting.
Is there a file size limit?
We impose no fixed limit. The practical ceiling is your device's free memory, since processing happens locally. Most conversions work comfortably with files up to a few hundred megabytes, and image or document conversions handle much more.
Does it work on my phone?
Yes. The converter runs in any modern browser on Windows, macOS, Linux, Android and iOS. No app installation is required.