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JPG to AVIF Converter

Convert JPG images to AVIF right in your browser, one file or a whole batch. For photos, the AVIF is usually a little smaller.

  • Free, no sign-up
  • Files never leave your device
  • Batch processing
  • No watermark
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Your files are processed on this device and are never uploaded to a server.

What happens when you convert JPG to AVIF

CompressionLossy → Lossy or lossless
File sizeUsually somewhat smaller for photos
MetadataEXIF, GPS location and camera data are not copied to the new file
Opens inChrome, Edge, Firefox, Safari 16+ and Windows 11 with the AV1 extension; most editors and CMSs do not yet

Sizes are typical values; your files will vary with content and settings.

JPG

JPG Joint Photographic Experts Group

JPG (also written JPEG) is the most widely supported photo format. Its lossy compression discards detail the eye is less sensitive to, which makes photos small enough for email, upload forms and print services that accept nothing else.

JPG converter
AVIF

AVIF AV1 Image File Format

AVIF stores images with the AV1 video codec. It usually beats WebP on file size, handles HDR and wide colour, and supports transparency. Chrome, Firefox, Edge and Safari 16+ display it.

AVIF converter

How to use the JPG to AVIF Converter

  1. 1

    Click Choose files or drop your JPG images onto the page.

  2. 2

    Adjust the AVIF options if needed. The defaults work well for most images.

  3. 3

    Click Convert, then download each AVIF or all of them as a ZIP.

Why convert JPG to AVIF?

JPG is what most cameras, websites and phones set to Most Compatible hand you, so it is the usual starting point for photos. It cannot store transparency and every re-save loses a little more detail. Choose AVIF for the smallest web images, after checking that your CMS or upload target accepts it.

JPG to AVIF settings

Use the quality slider to balance size against detail; 80 to 90 percent is a good default for AVIF. You can also cap the width and height, which resizes large photos in the same step.

Frequently asked questions

Will the AVIF lose quality?

Both formats are lossy, so converting re-encodes the data once more. Using a high quality setting keeps the generational loss very small. Avoid converting the same file back and forth repeatedly.

Will the AVIF be smaller than the JPG?

Usually a little smaller for photos: as a rough guide, the AVIF comes out at around 65% of the JPG's size, depending on the quality setting.

Questions about privacy, file-size limits or conversion speed are answered in the general FAQ.