Convert JPG to AVIF Online Free
AVIF is the most efficient image format that browsers support today. A photo saved as AVIF is often half the size of the same JPG, or even smaller, while looking just as good, which makes it ideal for fast websites and storing large photo collections.
This converter encodes AVIF directly in your browser using an open-source AVIF encoder. Because AVIF compression is complex, converting large photos takes a little longer than other formats, but nothing is uploaded and the page stays responsive while it works.
A quality of 60 to 75 is usually enough for AVIF, since it keeps detail much better than JPG at the same setting.
- No sign-up or watermark
- Processed in your browser
- Batch convert to ZIP
Any format works here, not only JPG. See all formats in the Image Converter.
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How to Use
How to Convert JPG to AVIF
Convert images in five simple steps. No software to install and no account to create.
- 1
Step 1: Upload Your Images
Drag and drop, tap Browse Files, or take a photo on your phone. Add up to 50 images of any supported format, up to 20 MB each.
- 2
Step 2: Choose the Output Format
Pick JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, ICO, or PDF in the Convert to menu. Only the options that matter for that format are shown.
- 3
Step 3: Adjust the Options
Set the quality, a background colour for transparent areas, icon sizes, or PDF page size, and decide whether to remove photo metadata.
- 4
Step 4: Convert
Press Convert. Each image is converted on your device, one after another, and you see the old and new file size for each one.
- 5
Step 5: Download
Download files one by one, or all at once as a ZIP. The original file names are kept with the new extension.
Features
Why Choose Our Free Image Converter?
One private tool for every everyday image format, from iPhone photos to website images, icons, and PDFs.
10 Formats
Open JPG, PNG, WebP, HEIC, AVIF, GIF, BMP, TIFF, and ICO, and save as JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, ICO, or PDF.
iPhone HEIC Photos
Turn HEIC photos from an iPhone or iPad into JPG or PNG that open everywhere, the right way up.
Batch Conversion
Convert up to 50 mixed images at once and download them all as a ZIP. One broken file never stops the rest.
Images to PDF
Combine images into one PDF or make one PDF per image, with A4, Letter, or fit-to-image pages and margins.
Transparency Kept
PNG, WebP, AVIF, GIF, TIFF, and ICO keep see-through areas. JPG and BMP get the background colour you choose.
Private by Design
Images are converted in your browser and never uploaded. Photo metadata such as GPS location can be removed.
Quality Control
Choose the quality for JPG, WebP, and AVIF, and see how much smaller or larger each file becomes.
Free, No Watermark
No sign-up, no watermark, and no limit on how often you convert.
One Converter for Every Image Format
Phones, cameras, websites, and design apps all use different image formats. Instead of a separate tool for every pair, ToolCube converts any supported format to any other in one place: open an iPhone HEIC and save a JPG, turn a logo PNG into an ICO favicon, or shrink a large PNG into a WebP for your website.
Fast and Safe on Your Own Device
The conversion runs in a background process inside your browser, so the page stays responsive even with large photos and long batches. Decoders for formats such as HEIC, AVIF, and TIFF load only when you need them, and nothing is ever sent to a server.
FAQ
Frequently Asked Questions
Answers to common questions about converting JPG to AVIF.
Which browsers can show AVIF images?
Chrome, Edge, Firefox, Opera, and Safari 16 or newer all display AVIF. For very old browsers, websites usually keep a JPG fallback.
Why does AVIF conversion take longer?
AVIF searches much harder for the best compression than JPG. That extra work happens once, when the file is created, and makes every later download smaller.
What quality should I choose for AVIF?
Start with 65. Raise it for photos with fine detail or gradients, and lower it if you need the smallest possible file.