JPG to AVIF Converter
Convert JPG images to AVIF online in seconds — free, unlimited, and 100% private. Bulk conversion included.
How to convert JPG to AVIF
- Upload your JPG filesDrag & drop, browse, or paste — convert one file or a whole batch at once.
- Tune quality & sizeUse the quality slider and optional max-width to balance sharpness and file size.
- Convert instantlyYour JPG is converted to AVIF right in your browser in under a second — nothing is uploaded.
- DownloadSave files one by one or grab everything as a single ZIP archive.
Why convert JPG to AVIF?
JPG is the universal photo format — small files, no transparency support. AVIF, on the other hand, is next-gen AV1-based format — the smallest files on the modern web.
Different platforms, apps, and workflows demand different image formats. Converting JPG to AVIF takes under a second, runs privately in your browser, and works on any device — phone, tablet, or desktop.
JPG vs AVIF — quick comparison
| Feature | JPG | AVIF |
|---|
| Compression | Lossy | Lossy or lossless |
| Transparency | No | Yes |
| Typical file size | Small | Smallest |
| Compatibility | Universal | Modern browsers |
Frequently asked questions
Is this JPG to AVIF converter free?
Yes — completely free with no limits, no signup, and no watermarks. Convert as many JPG images to AVIF as you like.
Are my images uploaded to a server?
No. Conversion happens locally in your browser using the HTML5 Canvas API, so your images never leave your device. Only formats that browsers can't natively process are converted via our encrypted server API, and those files are deleted immediately.
Will converting JPG to AVIF reduce image quality?
You stay in control: the quality slider (10–100%) lets you choose the balance between sharpness and file size. At 90%, quality loss is visually invisible for most photos.
Can I convert multiple JPG files to AVIF at once?
Yes. Drop or select as many files as you need — each is converted and listed individually, and you can download them all together as a ZIP. For mixed input formats, use our Bulk Image Converter.
Does it work on mobile phones?
Absolutely. ToolsCrow is mobile-first: the converter runs entirely in your phone's browser on Android and iOS — no app installation needed.
