Free tools › Images
JPG to AVIF
About half the bytes of a JPG at the same look, for sites that want speed.
More free conversions, where you upload. The Fylane extension does the same work inside any upload form, on its own free share every day.Add to Chrome
How to convert JPG to AVIF
- Drop the images.
- Pick a quality.
- Press Convert and download the AVIFs.
What happens to your file
Browsers cannot yet encode AVIF for a page, so the file is uploaded, encoded on Fylane’s servers at your quality, and deleted on schedule. Encoding is slower than JPG — a few seconds for a large photo.
AVIF is shown by every current browser and most phones; older desktop software and some upload forms refuse it. Keep a JPG for those.
Questions
AVIF or WebP?
AVIF is smaller at the same quality and handles gradients and dark scenes better; WebP encodes faster and is accepted by slightly more software. For a website, AVIF with a JPG fallback.
Do it once, not on every form
A form that wants a square JPEG under 240 KB says so on the page. The Fylane extension reads that, fits your photo to it, and puts it in the field — without you working out what 240 KB looks like.
And it keeps the result. The next application that asks for a résumé, a cover letter and a photo fills all three from one tap, each one refitted to what that site accepts.
Your files stay in the browser, encrypted, on your machine. Nothing is uploaded to keep them and nothing is sent anywhere to fill a form.
Related tools
Do this in code
curl -X POST https://api.fylane.dev/v1/jobs \
-H "Authorization: Bearer $FYLANE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"file_id": "<file id>",
"operation": "image.convert",
"options": {
"format": "avif",
"quality": 82
}
}'The same operation, image.convert — Re-encode to WebP, JPEG, PNG or AVIF at your quality. Upload first with the quickstart; every option is on the operations page. 500 free credits a month, then $5 per thousand.