100% Free
No Upload
Bulk Conversion
Bulk PNG to WEBP Converter — Free, Unlimited
Convert multiple PNG files to WEBP instantly — all in your browser. No file limits, no watermarks, and completely private.
PNG
WEBP
·
ZIP
Bulk PNG → WEBP Converter
Select files, convert, download ZIP — all locally
Drop PNG files here or click to browse
Supports batch selection — convert hundreds of files
PNG
→ WEBP
ZIP
0 files
Converting
0 / 0
✓ Conversion completed!
All files converted successfully. Click Download ZIP to save them.
Why convert PNG to WEBP?
WebP (developed by Google) offers 26% smaller file sizes than PNG at equivalent visual quality while maintaining transparency support. Converting PNG to WebP significantly improves website load times and Core Web Vitals scores.
Technical comparison: PNG vs WEBP
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 WEBP files are bundled into a single ZIP. One click, everything saved.
Popular use cases for PNG → WEBP
WordPress image optimization
Shopify product image conversion
Web performance optimization
Reducing hosting bandwidth costs
💡 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
The current version processes the batch in one continuous run; for very large batches, splitting into smaller groups is recommended.
Yes, you can drag a folder or multiple PNG files directly onto the drop zone.
Yes, once the page and its WebAssembly modules are loaded, conversion works without an active internet connection.
WEBP is well suited for archival when its compression matches your quality needs — lossless WEBP is ideal for long-term storage.