Convert JPG to AVIF online in seconds — free, with no sign-up. AVIF is mixed and ideal for the smallest high-quality web images, with a JPEG/WebP fallback. Your files are encrypted and deleted automatically after 24 hours.
JPG
JPEG image — A lossy photographic format that compresses to small files, typically 60–80% smaller than PNG.
AVIF
AV1 Image File Format — A next-gen format built on the AV1 codec, 40–60% smaller than JPEG with HDR and transparency.
How to convert JPG to AVIF
- 1Upload your JPG file
Click “Choose a file” or drag and drop your JPG file onto the page — no sign-up or email needed.
- 2Convert to AVIF
AVIF is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your AVIF file
Your AVIF file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
JPG vs AVIF
| JPG | AVIF | |
|---|---|---|
| Full name | JPEG image | AV1 Image File Format |
| Type | Raster image | Raster image |
| Compression | Lossy | Mixed |
| Best for | photographs and web images where small size matters more than perfect fidelity | the smallest high-quality web images, with a JPEG/WebP fallback |
Frequently asked questions
Does converting JPG to AVIF lose quality?
Both JPG and AVIF use compression, so re-encoding discards a little more data. For a single conversion the change is virtually invisible; just avoid repeatedly re-converting the same file.
What's the difference between JPG and AVIF?
JPEG image (JPG) is lossy and best for photographs and web images where small size matters more than perfect fidelity. AV1 Image File Format (AVIF) is mixed and best for the smallest high-quality web images, with a JPEG/WebP fallback. Convert JPG to AVIF when you need a raster image for the smallest high-quality web images.
Is the JPG to AVIF converter free?
Yes — converting JPG to AVIF is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my JPG files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert JPG to AVIF on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert JPG to AVIF?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert JPG files to?
Besides AVIF, you can convert JPG to BMP, GIF, ICO, PDF, PNG, PPM and more — see the full list of JPG conversions below.
Other conversions
Last updated July 2026