Convert PNG to WebP
Turn a PNG into a WebP with transparency kept intact. Pick the quality, download the smaller file — all inside your browser.
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This PNG to WebP converter gives you the best of both worlds: WebP's smaller file size with your transparency kept intact. Drop the PNG, set the quality, download — the conversion runs entirely in your browser.
This is the standard move for web graphics: logos, icons, screenshots and illustrations that need an alpha channel but no longer deserve PNG's file size.
Why Use This PNG to WebP Tool?
- Transparency preserved — the alpha channel survives the conversion
- Much smaller than PNG — typically 30–50% for graphics and screenshots
- Quality slider — you decide the compression level
- Private — processed in your browser, never uploaded
- Free, no signup
How to Convert PNG to WebP — 3 Steps
- Drop your PNG into the box above, or tap the box to pick it from your device.
- Set the quality with the slider — 80–90 keeps logos and text crisp; lower only for previews.
- Press the blue Convert to WebP button and download the file.
PNG Transparency at a Fraction of the Size
PNG's weakness has always been photographs and large graphics: lossless storage of every pixel is why a 4 MB PNG is normal. WebP stores the same image — including the alpha channel — with far better compression, typically cutting 30–50% off graphics and screenshots and much more off photographic PNGs. Your logo stops costing half a megabyte; your exported UI screenshot fits in a chat message.
The quality slider matters differently here than for photos. Graphics with sharp edges, text and flat color areas stay crisp at quality 80–90 because WebP's compression handles those patterns well; going lower starts to soften edges in ways you can see on text. For photographic PNGs (rare but they exist), the same advice as JPG applies: 80 for the web, 90+ for anything that will be edited again.
Where the result gets used: every modern browser renders WebP with transparency correctly, as do WordPress (5.8+), Slack, Figma and most modern tools. Two places still trip people up: some email clients and older desktop editors. Keep the PNG original until you know where the file is going.
The conversion runs entirely in your browser — decode, re-encode, download. If your browser cannot encode WebP (some Safari versions), the tool tells you before converting rather than handing you a file that will not open.
Frequently Asked Questions
Yes — WebP has a full alpha channel and this conversion keeps it. Transparent corners stay transparent.
80–90. WebP handles sharp edges well, but text quality is the first thing to degrade below 80 — check the result if your image has small text.
Typically 30–50% for graphics and screenshots, more for photographic PNGs. The tool shows the result size on the download card.
Yes — the WebP to PNG tool converts back losslessly, though detail lost at low quality settings does not come back. Keep the original for editing.
A few browsers can display WebP but cannot save it. The tool checks before converting so you never get a broken file. Chrome, Firefox and Edge work.
No — the image is decoded and re-encoded in your browser, and the download comes straight from your device.
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