PNG to AVIF Converter

Convert PNG graphics into next-generation AVIF format for maximum web compression.

How to Use

1

Upload PNG

Select a PNG file.

2

In-browser Encoding

Encode image stream to AVIF payload locally.

3

Download AVIF

Save lightweight AVIF file.

Compress PNG Graphics with Next-Gen AVIF

AVIF is the cutting-edge image format backed by Netflix, Google, and Apple that delivers up to 50% smaller file sizes than JPEG and 20% smaller than WebP while retaining full alpha transparency.

Convert PNG graphics to AVIF locally in your browser memory to achieve ultra-fast web page load speeds.

Real-World Examples & Use Cases

High-Performance Web Engineering

Serve modern AVIF assets in HTML5 <picture> tags to achieve 95+ Google PageSpeed Insights scores.

Mobile App Graphic Compression

Compress PNG UI assets into compact AVIF files to shrink app store download sizes.

E-Commerce Hero Banner Optimization

Slash website payload sizes for fast mobile shopping experiences.

Confidential Graphic Security

Compress brand assets with 100% offline browser security.

How It Works

Canvas.toBlob(blob => ..., 'image/avif', quality)

Frequently Asked Questions

Does AVIF support transparency?
Yes! AVIF supports full 8-bit alpha channel transparency just like PNG.
How much smaller is AVIF than PNG?
AVIF files are often 40% to 60% smaller than equivalent PNG graphics.
Is AVIF supported by web browsers?
Yes! Supported by Chrome, Firefox, Safari (macOS 13+ / iOS 16+), and Edge.
Are my images uploaded to any server?
No. All encoding processes locally inside your web browser.
Does this tool add watermarks?
No. ConvertWithMi generates 100% watermark-free files.

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