Bitmorfy

TOOL / IMAGE

PNG to AVIF Converter

Convert PNG files to AVIF online with fast browser-first processing.

LOCAL CLIENT-SIDE·ZERO SERVER UPLOAD·MAX 50MB·.png → .avif
Processed 100% in your browser. Your files are never uploaded to any server.
Ready for file selection

Select files

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Supported Formats·.PNG·50 MB

01 / WORKFLOW

How to use / PNG to AVIF Converter

01

Upload PNG

Select PNG diagrams or logos.

02

Convert

Encode into lightweight AVIF.

03

Download

Export modern AVIF graphics.

02 / CAPABILITIES

Key Features & Capabilities

Preserves alpha transparency with ultra-compact AV1 compression
Cuts graphic file size up to 80% compared to standard PNG
Zero server upload

03 / FORMAT

Supported Formats

Input Formats

.png

Output Format

.avif

04 / REFERENCE

About this tool

Ultra-Lightweight Transparent Graphics

Replacing transparent PNGs with AVIF on websites drastically lowers Largest Contentful Paint (LCP) and mobile bandwidth consumption.

05 / FAQ

Frequently Asked Questions

Everything you need to know about using this tool. PNG to AVIF Converter.

Does AVIF support transparency?
Yes, AVIF fully supports alpha channels, making it a smaller alternative to transparent PNGs and WebPs.
How much smaller is AVIF than PNG?
Complex transparent PNG graphics can shrink by 60% to 85% when converted to AVIF.
Are my files kept private?
Yes, all processing runs locally on your device with zero network upload.
Can I convert multiple PNG files simultaneously?
Yes, batch conversion is supported with single ZIP export.

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