Convert JPG to AVIF Online Free

Convert JPG images to modern AVIF format for up to 50% smaller files while keeping the same visual quality. Batch convert JPG to AVIF online, free and browser-based.

Up to 50% smaller than JPG

Adjustable quality and speed

Alpha transparency and HDR

Batch conversion support

JPG/JPEG Upload

Drop JPG/JPEG files here or click to browse

JPEGJPG

All conversion happens locally in your browser. Your images are never uploaded.

Why Convert JPG to AVIF?

Modern AVIF Format Benefits

Superior Compression

AVIF is 30-50% smaller than JPG at the same visual quality, so your pages load faster and you save bandwidth.

Faster Page Loading

Smaller AVIF files mean quicker page loads, better Core Web Vitals, and improved SEO rankings.

Advanced Format Features

AVIF supports alpha transparency, HDR, and wide color gamut — capabilities JPG cannot offer.

File Size Comparison

500 KB

Original JPG File

~220 KB

Converted AVIF File

Up to 50% Smaller

How to Convert JPG to AVIF

Upload JPG Images

Drag and drop your JPG/JPEG files or click to browse. Select multiple images to batch convert JPG to AVIF.

AVIF conversion works great with photos and complex images

Choose Quality and Speed

Adjust the AVIF quality and encoding speed. Higher quality keeps more detail; higher speed encodes faster.

Quality 50 with speed 6 is a great balance for most images

Preview Conversion Results

Compare the original JPG with the converted AVIF to check file size reduction and visual quality.

AVIF typically cuts JPG file size by 30-50% with no visible loss

Download AVIF Files

Download your converted AVIF images one by one or all at once as a ZIP file for easy management.

AVIF images are ideal for modern websites and apps

AVIF Browser Support

Chrome

Since Chrome 85

Firefox

Since Firefox 93

Safari

Since Safari 16.4

Edge

Since Edge 121

~94% Global Support

AVIF is supported by the vast majority of modern browsers worldwide

JPG to AVIF Conversion FAQ

How do I convert JPG to AVIF online for free?

Upload your JPG images, choose a quality level, and download the AVIF files. Everything runs in your browser, so it is free, unlimited, and private.

No signup required
No watermarks
Unlimited conversions
Files never leave your device

Is AVIF smaller than JPG?

Yes. AVIF is typically 30-50% smaller than JPG at the same visual quality, and around 20-30% smaller than WebP.

Will converting JPG to AVIF lose quality?

With sensible quality settings (around 50-70), AVIF keeps the same visual quality as the original JPG while being much smaller. Very low quality will introduce artifacts, just like any lossy format.

Are my images uploaded to a server?

No. All processing happens locally in your browser using WebAssembly. Your images are never uploaded, which keeps them completely private.

Which browsers support AVIF in 2026?

AVIF is supported by Chrome 85+, Firefox 93+, Safari 16.4+, and Edge 121+, covering about 94% of users worldwide. For older Safari versions, provide a JPG or WebP fallback.

Ready to Convert JPG to AVIF?

Start converting to the modern AVIF format now — smaller files, same quality.