Convert PNG to WEBP
Free and entirely in your browser - a real re-encode that keeps transparency in a smaller file.
Drag & drop your PNG files here
or
Supports PNG · JPG · WEBP · JFIF — Max file size: 25MB
Advanced settingsQuality, resize
How to Convert PNG to WEBP
- 1Drop or select your PNG files - they'll show as "Ready."
- 2Click Convert on a file, or convert the whole batch at once. WEBP stays selected by default and keeps transparency.
- 3Download instantly, or grab them all as one .zip.
- Free to use
- No registration required
- Batch conversion
- Works on any device
- Transparency preserved
What Is a PNG File? What Is a WEBP File?
What is a PNG file?
PNG (Portable Network Graphics) is a lossless image format that supports transparency - unlike JPEG, it doesn't discard image data to save space. That makes it the better choice for graphics, screenshots, and images you plan to edit further, at the cost of larger file sizes for photos.
What is a WEBP file?
WEBP is a modern image format from Google that supports both lossy and lossless compression plus transparency, typically producing meaningfully smaller files than an equivalent-quality JPEG or PNG. Every current browser supports it, though a handful of older apps and some print/legacy workflows still expect JPG or PNG instead.
PNG vs WEBP
| .png | .webp | |
|---|---|---|
| Image format | PNG | WEBP |
| Compression | Lossless - no detail discarded, larger files | Lossy or lossless (this tool uses lossy, for the smallest files) |
| Transparency | Fully supported | Supported |
| Typical file size | Larger for photos, small for flat-color graphics | Typically smaller than an equivalent JPG or PNG |
| Common use | Graphics, screenshots, logos, and images headed for further editing | Modern web images where smaller file size matters |
Why Convert PNG to WEBP?
WEBP keeps everything PNG is good at - real transparency, no visible banding on flat colors - while typically producing a smaller file. It's a solid default for web graphics today; keep the original PNG around if a specific tool or older workflow still needs it.
Frequently Asked Questions
Does converting PNG to WEBP reduce image quality?
This tool's WEBP output uses lossy compression, so it's a real re-encode rather than a byte-for-byte copy. At a high quality setting (92% by default) the visual difference is usually minimal, but it isn't lossless the way the original PNG was.
Does WEBP support transparency the same way PNG does?
Yes - WEBP supports a full alpha channel, so a transparent PNG converts to a transparent WEBP with no loss of transparency, just a smaller file.
Why convert PNG to WEBP instead of just keeping PNG?
WEBP typically produces a noticeably smaller file than an equivalent PNG while keeping transparency - useful for web images where load speed matters. PNG is still the safer choice if a specific tool or workflow requires it.
Is my uploaded image secure - does anything get uploaded to a server?
No. Every conversion happens locally in your browser using the Canvas and File APIs. Your image is never uploaded anywhere, which is also why conversion is instant even for larger batches.
Can I convert multiple PNG files to WEBP at once?
Yes, drop or select multiple files and convert them independently, or use the batch Convert button for the whole queue. Once two or more succeed, a "download all as .zip" option appears.
Can I convert PNG to WEBP on my phone?
Yes, the tool works in any modern mobile browser on iPhone or Android - tap to browse your photos the same way you would on desktop.
Is there a file size limit?
Files up to 25MB are supported, which comfortably covers photos, screenshots, and graphics. Since everything runs in your browser, very large files can be slower to process than a server-side tool.