Convert JPG to AVIF
Get the smallest possible web images with modern AVIF. Convert one image or hundreds at once.
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How to use JPG to AVIF
Three steps. No account, no upload, no waiting in a queue.
- 1
Select your JPG files, or drop them on the page.
- 2
Adjust quality if you want (the default works well).
- 3
Download your AVIF files one by one or as a ZIP.
Why use Tooldesk jpg to avif
Free, with no sign-up or daily limit
Files never leave your device
No watermark on your results
Works on phone, tablet and computer
What is JPG?
JPG is the most widely supported photo format. It uses lossy compression to keep photos small. It is best for photos, email attachments and upload forms.
What is AVIF?
AVIF is a newer format based on the AV1 video codec. It is often even smaller than WebP. It is best for high-performance websites and modern apps.
JPG vs AVIF
| JPG | AVIF | |
|---|---|---|
| Full name | JPEG (Joint Photographic Experts Group) | AV1 Image File Format |
| Compression | Lossy | Lossy or lossless |
| Transparency | No | Yes |
| Animation | No | Yes |
| Support | Everywhere | Modern browsers; limited support in desktop apps |
Frequently asked questions
Are my files uploaded to a server?
No. Everything runs inside your browser, so your files never leave your device. Nobody — including us — can see them.
Is it really free?
Yes. There is no sign-up, no watermark and no daily limit. The site is supported by ads.
Can I convert many JPG files at once?
Yes. Select or drop as many as you like, then download them all as one ZIP.
Will I lose quality?
At the default 90% quality the difference is invisible in normal viewing.