Convert JPG to AVIF.
JPG to AVIF, up to half the size — all in your browser.
Drop JPG files here
or browse your files
Paste with ⌘V · or drop files anywhere on the page
Files never leave your device. Everything runs in your browser, nothing touches a server — tools you've used even work offline.
Convert JPG photos to AVIF right in your browser — encoded on your own device, nothing uploaded. AVIF is the format built a quarter-century after JPG, and it shows: the same photo at the same visual quality typically lands 30–50% smaller. Batch-convert and download everything as a ZIP.
How it works
- Drop files anywhere on the page, click to browse, or paste with ⌘V.
- Pick a quality or preset — or set an exact target size and let the tool find it.
- Compress, compare before/after, and download — individually or as a ZIP.
Why AVIF lands so much smaller
AVIF borrows its compression from the AV1 video codec — decades of research JPG never had. Photos keep smooth gradients and fine detail at a fraction of the bytes, and banding-prone skies survive visibly better. On a website that compounds into faster pages and lower bandwidth on every visit. If the file must stay JPG, Compress JPG is the tool instead.
Where AVIF works (and where not yet)
Every current browser displays AVIF — Chrome and Edge since 2020, Firefox since 2021, Safari since 16.1. Outside the browser the picture is patchier: older editors, office suites and some upload forms still refuse it, so keep the JPG originals as masters. The trip back is one click via AVIF to JPG, and Compress AVIF re-squeezes AVIFs you already have.
Frequently asked questions
How much smaller will my photos get?
Typically 30–50% below the source JPG at the same visual quality — more when the source was saved at a high quality setting. The before/after compare shows exactly what you are trading.
Is EXIF metadata kept?
No — AVIF output is always written without EXIF, GPS or camera metadata. If keeping metadata matters, convert to WebP instead, where the keep-metadata option applies.
Can I hit an exact file size?
Yes — switch to target-size mode and type a cap like 200 KB; the tool searches out the best quality that fits under it, for every photo in the batch.
Is it safe for private photos?
Yes. The pixels are decoded and re-encoded right in your browser — images are never uploaded, and the server does nothing but deliver this page. Close the tab and no trace of your photos remains. Want proof? Run one file through, switch your connection off, and run another — it still works.