Convert PNG to AVIF — Tiny Files, Full Transparency

PNG files are lossless and often very large, especially for photographs or complex graphics. AVIF compresses them to a fraction of the size while preserving transparency — making it one of the most impactful conversions for web performance. A 2 MB PNG can easily become a 100 KB AVIF with no visible quality loss.

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Output: avif

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PNG vs AVIF Comparison

Feature	PNG	AVIF
Full Name	Portable Network Graphics	AV1 Image File Format
Lossy Compression	❌	✅
Lossless Compression	✅	✅
Transparency	✅	✅
Animation	❌	✅
Browser Support	All browsers, all devices	Chrome 85+, Firefox 93+, Safari 16.4+
Color Depth	16.7M+ (24/32/48-bit)	16.7M+ (up to 12-bit HDR)
Typical Use	Screenshots, graphics, logos, images needing transparency	Next-gen web images (even smaller than WEBP)
Year Introduced	1996	2019

Why Convert PNG to AVIF?

Unlike JPG, AVIF supports transparency just like PNG, so you get the best of both worlds: tiny file sizes and alpha channel support. This makes AVIF the ideal replacement for PNG on the web. Icons, logos, UI elements, and product photos with transparent backgrounds all benefit enormously from the switch.

How to Convert PNG to AVIF

Upload your PNG file by dragging it into the converter or clicking to browse. Files up to 50 MB are supported.

KoalaPic converts to AVIF, automatically preserving any transparency in the original PNG. Default quality is 80%.

Download the compressed AVIF file. Both files are automatically deleted after 1 hour for your privacy.

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Quality Note

PNG-to-AVIF is a lossless-to-lossy conversion. At quality 80+, the visual difference is imperceptible and file size reduction is dramatic — often 90% or more. For pixel-perfect reproduction, AVIF also supports a lossless mode, though file sizes will be larger.

Frequently Asked Questions

Yes. AVIF fully supports alpha channel transparency. Your transparent backgrounds, semi-transparent overlays, and anti-aliased edges are all preserved exactly as they appear in the original PNG.

AVIF produces smaller files than WEBP (typically 20-30% smaller), but encoding is slower. Both support transparency. For maximum compression, choose AVIF. For faster encoding, choose WEBP. Both are excellent PNG replacements.

Typically 85-95% smaller for photographic PNGs, and 60-80% smaller for graphics and icons. The exact savings depend on image complexity and content type.

Yes, AVIF supports lossless compression. However, the primary benefit of converting PNG to AVIF comes from lossy compression, which provides much greater file size reductions with imperceptible quality differences.

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