JPG to AVIF Converter
Convert JPG images to AVIF online for free.
Reduce image file sizes while keeping the image quality you need for your website, apps and digital projects.
Convert JPG to AVIF Online
JPG is one of the most widely used image formats for photographs and web images. AVIF can provide more efficient compression for many web images, depending on the source image and encoding settings. AVIF Tools lets you convert JPG and JPEG images to AVIF directly without installing desktop software.
Drag and drop your JPG files into the converter above, or click to browse. You can convert a single file or multiple files at once using the batch upload.
Why Convert JPG to AVIF?
Smaller Image Files
AVIF can produce smaller files than JPG for many types of images, particularly photographs and images with complex color gradients. Results depend on the source image, encoding settings, and target quality level. See real file size comparisons.
Efficient Web Images
Smaller image files reduce the amount of data visitors need to download when loading your web pages, which can be particularly useful on slower connections or mobile networks.
Modern Image Format
AVIF is a modern image format that uses AV1-based image compression, designed for efficient encoding with support for transparency, HDR and wide color gamut. Learn more about AVIF.
JPG vs AVIF
A quick comparison of the main differences between the two formats:
| Feature | JPG | AVIF |
|---|---|---|
| Lossy compression | Yes | Yes |
| Lossless compression | Typically no | Yes |
| Transparency | No | Yes |
| HDR support | Limited | Yes |
| Browser support | Widely supported | All major modern browsers (Chrome, Firefox, Safari, Edge) |
| File size | Often larger at equivalent quality | Can be smaller depending on image and encoding settings |
For a full technical comparison across more formats, see our format comparison page and the AVIF format guide.
How to Convert JPG to AVIF
Upload your JPG image
Drag and drop one or more JPG files into the converter at the top of this page, or click to browse your files.
Convert to AVIF
AVIF Tools processes your image on our servers and creates an AVIF version. Your original JPG file is deleted immediately after conversion.
Download your AVIF file
Download the converted AVIF file when processing is complete. Converted files are available for 1 hour, then automatically deleted.
See Real AVIF Compression Results
See real AVIF files generated by AVIF Tools and compare their original and converted file sizes, image dimensions and compression results. Every sample on that page was converted with the same tool you are using now.
Private JPG to AVIF Conversion
Your original JPG files are deleted immediately after conversion. Converted AVIF files are available for download for 1 hour, then permanently removed. No account required and your files are never shared.
🔒 Verified Security & Privacy
Your photos are protected. Files auto-deleted after 1 hour.
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JPG to AVIF FAQ
What is JPG to AVIF conversion?
JPG to AVIF conversion takes an existing JPEG or JPG image file and produces an AVIF version of that image. AVIF is a modern image format that can achieve more efficient compression than JPG for many types of images.
Is this JPG to AVIF converter free?
Yes. AVIF Tools is a free online converter. No sign-up, no subscription and no watermarks on the converted files.
Does converting JPG to AVIF reduce file size?
AVIF can produce smaller files than JPG for many images, but the result depends on the specific image, the quality setting and the encoding parameters. There is no guaranteed reduction for every image. See our sample files for real measured results.
Can I convert multiple JPG files to AVIF?
Yes. AVIF Tools supports batch conversion. You can drag and drop multiple JPG files at once and convert them all in a single session.
Are my JPG files stored permanently?
No. Your original JPG files are deleted immediately after conversion is complete. The converted AVIF files are kept temporarily for download and are automatically deleted after 1 hour.
What is the maximum file size?
Each file can be up to 30 MB. For larger images, you may need to resize them first.