PNG to AVIF Converter – Smaller files with transparency | FMThub
Convert PNG to AVIF online to reduce file size by up to 70% while preserving transparency. Next-gen format perfect for modern web applications. Free and secure.
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Why Choose Our Converter?
Lightning Fast
Convert images in seconds with our optimized WebAssembly engine
100% Secure
All processing happens in your browser. Your files never leave your device
High Quality
Maintain the highest possible quality with our advanced algorithms
Completely Free
No registration required, no watermarks, no hidden charges
How It Works
Upload your image
Select output format
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About PNG to AVIF Conversion
AVIF is a next-generation image format that achieves 50-70% smaller file sizes compared to PNG, while maintaining superior visual quality. It uses advanced AV1 video compression technology for the best compression currently available.
Perfect for modern websites and applications seeking maximum performance. AVIF delivers the smallest file sizes with excellent quality, though it requires newer browser versions (Chrome 85+, Firefox 93+, Safari 16+).
With FMThubs free AVIF converter, you get privacy-first browser-based conversion. Your images are processed locally, never uploaded to servers. Convert unlimited images instantly.
Frequently Asked Questions
What is AVIF and why should I use it?
AVIF (AV1 Image File Format) is a next-generation image format that offers superior compression compared to JPG, PNG, and even WebP. It can reduce file sizes by 50-70% while maintaining excellent visual quality. AVIF is perfect for websites seeking maximum performance and fastest loading times.
Which browsers support AVIF?
AVIF is supported by Chrome 85+, Firefox 93+, Safari 16+, and Edge 121+. While not as universal as WebP yet, AVIF is rapidly gaining adoption. For unsupported browsers, consider providing fallback formats or using WebP as an alternative.
Are my images safe?
Absolutely. All processing happens locally in your browser using WebAssembly. Your images never leave your device.