๐ Files never leave your device โ all processing happens in your browser
About JPEG to AVIF conversion
This free JPEG to AVIF converter runs entirely inside your browser using the HTML5 Canvas API. Nothing is uploaded to a server, so it is safe for private photos, client work and sensitive documents. You can convert one file or hundreds at once, resize them and fine-tune quality before downloading.
AVIF is the newest image format (based on AV1): often 50% smaller than JPEG with excellent detail retention.
JPEG is a lossy format built for photographs: small files, but no transparency and visible artifacts at low quality.
How to convert JPEG to AVIF
- Add your JPEG files
Drag and drop your JPEG images onto the box above, or click it to browse. Multiple files are supported and processed one by one.
- Choose AVIF as output
The output format is already set to AVIF. Optionally set a maximum width to resize, and adjust the quality slider for lossy formats.
- Convert and download
Click Convert, review the size savings and download each file โ or use Download All to save every converted AVIF image at once.
When should you convert JPEG to AVIF?
AVIF is the newest image format (based on AV1): often 50% smaller than JPEG with excellent detail retention. JPEG is a lossy format built for photographs: small files, but no transparency and visible artifacts at low quality. Converting from JPEG to AVIF makes sense whenever you need the strengths of AVIF more than the original trade-offs of JPEG.
Frequently Asked Questions
How do I convert JPEG to AVIF for free?
Open this page, drop your JPEG images into the box, make sure the output format is set to AVIF, then click Convert. The conversion happens instantly in your browser and you can download each AVIF file or all of them at once โ completely free with no account and no watermark.
Is it safe to convert JPEG to AVIF online?
Yes. This tool never uploads your images. The decoding and re-encoding is performed locally by JavaScript and the Canvas API inside your browser, so your files stay on your device. There is no server storage, no logging and no third party involved.
Does converting JPEG to AVIF reduce quality?
Converting to a lossless format such as PNG keeps every pixel intact. Converting to a lossy format such as WebP or AVIF discards a small amount of data controlled by the quality slider; at 80-90% the difference is usually invisible while files shrink dramatically. Note that detail already lost in the original JPEG file cannot be recovered.
Will the AVIF file be smaller than the original JPEG?
It depends on the formats and settings. WebP and AVIF usually produce files 25-50% smaller than JPEG at similar quality, while lossless PNG is often larger than a JPEG of the same image. Use the quality slider and the max width option to control the final size, and check the savings shown next to each converted file.
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