JPG to AVIF converter
Convert JPG to AVIF
Convert JPG photos to AVIF, the modern format that produces very small files at high quality. Conversion uses your browser’s built-in encoder when it is available.
Convert images to AVIF
Drop images to convert to AVIF
or click to browse — JPG, PNG, WebP, AVIF, GIF, BMP, HEIC
Higher keeps more detail; lower makes smaller files.
How to convert jpg to avif
- 1
Add your JPG files
Drag and drop one or more JPG images, or click to browse. Files open instantly because they are decoded locally in your browser.
- 2
Set the output quality
Pick a quality level for the AVIF output. Around 85–90% is ideal for most photos; raise it for detailed images.
- 3
Convert to AVIF
Each image is re-encoded to AVIF using your browser's built-in encoder — there is no upload and no queue.
- 4
Download your AVIF files
Preview the result in the list, then save each file individually or download the whole batch in one click.
What you can do
Instant, in-browser conversion
Images are converted with the browser's own encoder, so results appear in seconds without an upload step.
Private by design
Your files never leave your device. That makes the tool safe for personal and confidential images.
Batch conversion
Convert a whole folder at once and download every result individually or together.
Clean AVIF output
No watermarks and no branding — the saved files contain only your image.
Frequently asked questions
What if my browser cannot encode AVIF?
AVIF encoding is supported in recent Chrome, Edge, and Firefox builds. If your browser cannot encode it, this page automatically falls back to JPG so you still get a usable file, and it tells you when that happens.
Are my JPG files uploaded to a server?
No. The conversion runs entirely in your browser using the Canvas API. Your files are opened, decoded, and re-encoded on your device, then saved locally. Nothing is sent to ImgSprint or any third party.
Can I convert multiple JPG files at once?
Yes. Drop as many files as you like and they are all converted with the same settings. You can download them one by one or all at once. The practical limit is your device memory, so on phones it is best to work in groups of 10–20.
Does converting JPG to AVIF change the image size or dimensions?
The pixel dimensions stay the same — only the file format and encoding change, so the file size will differ. If you also need to change the width and height, use the Resize Image tool after converting.
Will transparency be preserved when converting to AVIF?
Yes. AVIF supports transparency, so transparent areas in the original are preserved. Only switch to JPG if you do not need a transparent background.
What quality should I choose?
For most photos, 85–92% keeps a great balance of quality and file size. Use 95%+ for images with fine detail or text, and lower values only when you need the smallest possible file.