100% Free
No Upload
Bulk Conversion
Bulk PNG to AVIF Converter — Free, Unlimited
Convert multiple PNG files to AVIF instantly — all in your browser. No file limits, no watermarks, and completely private.
PNG
AVIF
·
ZIP
Bulk PNG → AVIF Converter
Select files, convert, download ZIP — all locally
Drop PNG files here or click to browse
Supports batch selection — convert hundreds of files
PNG
→ AVIF
ZIP
0 files
Converting
0 / 0
✓ Conversion completed!
All files converted successfully. Click Download ZIP to save them.
Why convert PNG to AVIF?
PNG's lossless compression produces large files for photographic content. Converting to AVIF can reduce file size dramatically, sometimes over 50%, while preserving strong visual quality — ideal for image-heavy websites.
Technical comparison: PNG vs AVIF
How to use — 3 simple steps
1
Select your PNG files
Drag & drop or click to choose multiple PNG images. No file size restrictions.
2
Start the conversion
Click "Convert to :to" — your files are processed locally using Canvas API. No upload, no waiting.
3
Download ZIP archive
All converted AVIF files are bundled into a single ZIP. One click, everything saved.
Popular use cases for PNG → AVIF
Make your PNG images viewable on any device – convert to AVIF
Stop dealing with 'unsupported format' errors – use AVIF instead of PNG
Batch rename and convert your PNG collection to AVIF for a unified library
Improve your website's Google PageSpeed score by serving AVIF images
💡 Pro tips
- Use WebP/AVIF for web — they load 30-50% faster than JPEG/PNG
- Use the ZIP download to get all converted files in a single click
- All processing is private — files are never uploaded to any server
Frequently Asked Questions
AVIF uses lossy/lossless compression. If lossy, at 85-92% quality the loss is imperceptible. If lossless, every pixel is preserved.
No artificial limit. Browser memory is the only constraint. Files up to 500 MB work well.
Yes. The bulk converter processes all selected files sequentially. Hundreds of files possible.
Yes. Everything happens locally in your browser via WebAssembly. Files never uploaded.