Convert JPG to AVIF Online Free
JPG is a lossy raster image format designed for photographs and complex, colour-rich images. AVIF is a cutting-edge image format based on the AV1 video codec with excellent compression. FileConverter turns your JPG into AVIF online in seconds - free, privacy-first, and with no software to install or account to create.
Convert JPG to AVIF
AVIF is already selected. Add your JPG file to start.
Documents
Images
Videos
Audio
Add a JPG file above to start the conversion.
JPG to AVIF re-encodes photos with the highly efficient AV1 image codec, often cutting file size further than WebP at the same visual quality—ideal for bandwidth-conscious websites.
What changes when you convert JPG to AVIF
Both JPG and AVIF are compressed image formats, so expect a small quality shift rather than a perfect copy. Start from the largest, highest-quality JPG available to get the cleanest AVIF result.
About the JPG format
JPEG uses discrete cosine transform compression to shrink photographic images dramatically, trading a small amount of detail for much smaller files. It has no transparency channel, which is why it is ideal for photos but poor for logos or screenshots with sharp edges. In everyday use, JPG is chosen for camera photos and phone galleries, website hero and product photography and email attachments and social uploads. It opens in every web browser, Windows Photos, macOS Preview, and virtually all image apps.
About the AVIF format
AVIF often beats WebP and JPG on file size at the same visual quality, and it supports HDR, wide colour, and transparency. Browser support is now broad, though some older desktop apps still cannot open it. In everyday use, AVIF is chosen for high-efficiency web images, HDR and wide-gamut photography online and replacing large JPGs to cut bandwidth. It opens in modern browsers and recent operating systems.
JPG vs AVIF
JPG is best known for universally supported on every device, browser, and printer, while AVIF stands out for best-in-class compression efficiency. Choosing between them comes down to where the file needs to go next.
Common use cases
People convert JPG to AVIF for jobs such as high-efficiency web images, HDR and wide-gamut photography online and replacing large JPGs to cut bandwidth. It is especially common when a JPG file arrives from one system but needs to work in another that standardises on AVIF.
When to convert JPG to AVIF
Reach for JPG to AVIF when your destination expects AVIF — for example high-efficiency web images, HDR and wide-gamut photography online and replacing large JPGs to cut bandwidth. It is the right move when you receive a JPG file but the app, website, or person you are working with cannot use it. Bear in mind that limited support in older software and print tools, so keep your original JPG if you might need it again.
How to convert JPG to AVIF
- Upload your JPG file to the converter at the top of this page - AVIF is already selected as the output.
- Check the size limit shown on this page, then drag and drop or browse for your file.
- Confirm AVIF is still the target format, or pick a different one from the grid.
- Start the conversion and download your AVIF file the moment it is ready.
Quality tips
Always start from the largest, highest-quality JPG you have. If AVIF still needs to fit a size or pixel budget, run the result through our Compress or Resize tools rather than re-saving repeatedly, which degrades quality.
Platform compatibility
The JPG to AVIF converter runs on Windows, macOS, Linux, Android, and iOS - anywhere with a modern browser, with no plugins or permissions required. Once exported, AVIF opens in modern browsers and recent operating systems.
File size limits
Images up to 200MB
Troubleshooting
- If the file exceeds the limit shown below, compress images, trim video, or split archives before retrying.
- If conversion fails, confirm the extension matches the real format — renaming a file alone does not change its contents.
- SVG and HEIC inputs sometimes need a moment longer on the first conversion.
- Transparency does not survive every target format — use PNG or WebP if an alpha channel matters.
Explore more: image Conversion Hub · File format guides · All tools