How much smaller is AVIF compared to PNG?

For illustrations and photographs with transparency, AVIF is typically 50% to 80% smaller than an uncompressed PNG.

Are files stored on your servers?

No files or images ever leave your device. All calculations are executed locally.

Does AVIF support 10-bit and 12-bit High Dynamic Range (HDR)?

Yes. The AVIF standard supports wide color gamuts (P3, Rec.2020) and high bit depth HDR color profiles.

Is AVIF decoding hardware accelerated?

Modern CPUs and GPUs from Apple, Intel, AMD, and Qualcomm feature dedicated hardware AV1 decoders for instant rendering.

PNG to AVIF Converter

Convert PNG images to modern AVIF format.

100% In-Browser

All-In-One StudioBulk + Single

Want to process images in bulk, add compressions, conversions, filters & background removal all in one flow?

Try Image Playground

100% In-Browser PrivacyLocal

Your files and data are processed locally and never leave your device.

Select PNG files to convert

Upload one or multiple PNG images. Converts 100% locally in your browser.

Formats: PNG•Max size: 150MB •100% In-Browser

What is PNG to AVIF Converter?

PNG to AVIF Converter compresses heavy PNG graphics and illustrations into the ultra-efficient AVIF format while maintaining full alpha transparency. It achieves dramatic file size reductions compared to PNG without creating jagged or blurry transparent edges.

Zero-Server Client-Side Guarantee

Unlike legacy online utilities that upload sensitive media and documents to remote cloud storage, Shadow Toolkit executes this entire operation directly within your browser's local runtime. Your raw data never crosses the network.

Key Capabilities

Cutting-edge AVIF compression with 8-bit alpha channel transparency support
Reduces PNG file sizes by up to 70-85% for graphics and illustrations
Eliminates color banding on complex gradients and smooth transparency fades
Substantially boosts Core Web Vitals (LCP and CLS) for web applications
Client-side processing guarantees complete confidentiality

Common Use Cases

1Compressing complex transparent UI graphics and hero illustrations for modern web apps

2Reducing app bundle sizes in web-based frameworks like Electron or Next.js

3Accelerating image delivery for digital publications with heavy graphic content

4Optimizing raster graphics and illustrations for high-performance responsive web design and mobile apps

How to use PNG to AVIF Converter

Upload PNG

Drop your PNG graphic into the conversion area.

Configure AVIF Settings

Adjust the quality slider to dial in the perfect balance of compression and clarity.

Download AVIF

Click 'Download AVIF' to save your ultra-compact image.

Verify & Save Output

Inspect the processed PNG to AVIF Converter preview on the canvas and download the final image asset directly to your device.

Frequently Asked Questions

Yes. AVIF has full support for alpha channels and HDR color profiles, making it a direct modern replacement for transparent PNGs.

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