Convert PNG to AVIF Online Free
Free PNG to AVIF converter. Reduce file sizes by up to 80% while preserving transparency — no upload, no registration.
Drop image files here
Or click to browse. Max 30 files per batch. Max 10MB per file.
100% Client-side SecureHow to Convert PNG to AVIF
Upload PNG Files
Drag and drop your PNG files into the converter, or click to browse. Add up to 30 files at once for batch conversion.
Set AVIF Quality
Adjust the quality slider for your AVIF output. For transparent graphics, 70–85% quality preserves detail while achieving significant file size reduction.
Download AVIF Files
Download each AVIF file individually or save all as a ZIP. Your files are converted locally — nothing is ever sent to a server.
Why Convert PNG to AVIF?
Dramatically reduce file sizes while keeping transparency.
Your Files Stay Private
Your PNG images are converted entirely in your browser — nothing is uploaded to any server. Your graphics, logos, and icons never leave your device.
Converts Instantly
Zero upload time. Zero waiting. PNG files are compressed to AVIF immediately in your browser, with no server round-trips slowing you down.
Transparency Fully Preserved
AVIF supports full alpha channel. Transparent logos, UI elements, and icons keep their transparency perfectly — while shrinking dramatically in file size.
See the Difference: PNG vs AVIF
AVIF achieves dramatically smaller file sizes compared to PNG while preserving transparency and visual quality.
Drag the slider to compare
When Should You Convert PNG to AVIF?
Web Asset Optimization
Replace heavy PNG images on your website with AVIF to reduce page weight by up to 80% — while maintaining perfect transparency for logos and UI elements.
Transparent Image Compression
PNG's lossless compression results in large files. AVIF compresses transparent graphics far more efficiently while preserving the alpha channel.
Design Asset Libraries
Convert PNG icon sets, UI kits, and design assets to AVIF to save storage and speed up delivery in your applications.
E-commerce Product Images
Product images with transparent backgrounds are typically saved as PNG. Converting to AVIF speeds up product page loads without sacrificing image quality.
PNG vs AVIF — What's the Difference?
See how AVIF improves upon PNG for transparent images.
| Feature | PNG | AVIF |
|---|---|---|
| Compression | Lossless only | Lossy & lossless |
| File Size | Large | 50–80% smaller |
| Transparency | Full alpha channel | Full alpha channel |
| Visual Quality | Perfect (lossless) | Excellent (adjustable) |
| Browser Support | Universal | Chrome 85+, Safari 16.4+ |
| Color Depth | 8-bit, 16-bit | 8-bit, 10-bit, 12-bit |
| Animation | APNG (limited) | Yes (AVIF sequence) |
| HDR Support | No | Yes |
Tool Specifications
Frequently Asked Questions
Yes. AVIF fully supports the alpha channel. All transparent areas in your PNG — logos, icons, UI elements — will be perfectly preserved in the AVIF output.
AVIF files are typically 50–80% smaller than the equivalent PNG. A 2 MB PNG could become 400–800 KB in AVIF with barely noticeable quality difference.
Yes. Avifkit converts files entirely inside your browser — your images are never uploaded to any server. Nothing leaves your device.
Yes, for modern browsers. Use the HTML <picture> element to serve AVIF with a PNG fallback. Most visitors will automatically receive the smaller AVIF file.
AVIF (AV1 Image File Format) is a next-generation image format offering superior compression compared to PNG, JPG, and WebP. It supports transparency, HDR, and wide color gamut.
Each file can be up to 10 MB. Since conversion happens entirely in your browser, larger files may take slightly longer depending on your device.
Yes. Upload up to 30 PNG files at once, convert them all in one click, then download individually or as a ZIP archive.
For transparent graphics and icons, 70–85% quality gives excellent results. For photographic PNG content, 60–75% offers strong compression with minimal visible difference.
No. Avifkit is completely free with no registration, no watermarks, and no usage limits.
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Avifkit.com is a free online file converter that allows you to convert media easy and fast from one format to another. We support many different source formats like AVIF, WEBP, HEIC, and output formats like JPG, PNG.