and deleted once the download link expires.
Convert PNG to WebP Online
This PNG to WebP converter turns PNG images into WebP, which is dramatically smaller while still supporting transparency. It is the best format for graphics and logos on the web. Upload in the tool above and download instantly.
How to Convert PNG to WebP
- Upload your PNG image(s).
- The tool converts them to WebP.
- Download your smaller WebP files.
Why Convert PNG to WebP?
PNG keeps transparency but the files are large. WebP keeps the transparency and the crisp edges while cutting file size significantly — perfect for logos, icons and graphics that need to load fast on a website.
Frequently Asked Questions
How do I convert PNG to WebP?
Upload your PNG to the tool above and download the converted WebP in seconds.
Does WebP keep transparency?
Yes, WebP supports transparency like PNG, but at a much smaller file size.
Is it free?
Yes, free with no signup and no watermark.
More Free Online Tools
WebP to PNG · JPG to WebP · Image Compressor · All free tools
Converting PNG to WebP is one of the best ways to speed up your website without sacrificing image quality. WebP produces files 26% smaller than PNG on average, while maintaining full support for transparency and lossless compression. This guide explains when and how to make the switch.
Why Convert PNG to WebP?
PNG to WebP conversion offers three key advantages. First, file size — WebP lossless files are 26% smaller than equivalent PNG files according to Google’s own benchmarks. Second, speed — smaller files mean faster page loads, which improves Core Web Vitals and SEO rankings. Third, browser support — WebP is supported by over 95% of all browsers globally as of 2026, making it a safe choice for most websites.
How to Convert PNG to WebP Online Free
- Open the ReadyGoTools PNG to WebP Converter — free, no signup required.
- Upload your PNG files — drag and drop single or multiple files. Batch processing supported.
- Choose lossless or lossy — lossless preserves every pixel; lossy produces even smaller files with minimal visual difference.
- Click Convert — WebP files are generated instantly.
- Download your WebP files — individually or as a ZIP archive.
PNG to WebP: File Size Savings
| Original PNG Size | Expected WebP Size | Approximate Savings |
|---|---|---|
| 1 MB | ~740 KB (lossless) | 26% |
| 500 KB | ~350–400 KB (lossless) | 20–30% |
| 2 MB | ~800 KB (lossy 85%) | 60% |
Does PNG to WebP Conversion Preserve Transparency?
Yes — WebP supports alpha channel transparency exactly like PNG. When you convert a PNG with a transparent background to WebP, the transparency is fully preserved in the output WebP file. This makes PNG to WebP conversion ideal for logos, icons, UI elements, and any graphic that needs a transparent background.
PNG to WebP Lossless vs Lossy
WebP lossless produces an exact pixel-for-pixel copy of the PNG, 26% smaller. WebP lossy applies compression similar to JPEG, achieving 60–80% smaller files with minimal visible quality reduction. For logos and UI graphics, use lossless. For photos and decorative images, lossy at 85%+ quality is the sweet spot for size vs quality.
How to Serve WebP with PNG Fallback
To serve WebP to browsers that support it while falling back to PNG for older browsers, use the HTML picture element: use a source element with the WebP file and type attribute of image/webp, then an img element pointing to the PNG fallback. Modern browsers (Chrome, Firefox, Safari, Edge) all load the WebP version; older browsers load PNG automatically.
Frequently Asked Questions
Is WebP better than PNG for websites?
Yes — for websites, WebP produces smaller files, loads faster, supports transparency, and is supported by 95%+ of browsers. For non-web use (editing software, print), PNG has better compatibility.
Does converting PNG to WebP lose quality?
With lossless WebP conversion, no quality is lost. With lossy WebP at 90%+ quality, the difference is imperceptible. The PNG to WebP Converter offers both options.
Should I delete my PNG files after converting to WebP?
Keep the original PNG files as backups. Serve WebP on your website, but keep PNG originals for future editing and as fallbacks for software that needs them.
Related Tools
- JPG to WebP Converter — convert photos from JPG to WebP
- WebP to PNG Converter — convert WebP back to PNG when needed
- Image Compressor — further compress WebP files
- Guide: Image Optimization for SEO
- JPG vs PNG vs WebP — Complete Comparison