Instant browser-based conversion — no upload, no server. Lossless WebP is 25% smaller than PNG. Transparency fully preserved.
Convert PNG to WebP Now →Drag your PNG onto the upload area or click to select files. Batch conversion supported — up to 10 PNGs at once. Your files never leave your browser.
Open Advanced Settings → set Format to WebP. For logos, icons, and graphics: quality 95–100% (near-lossless). For photos saved as PNG: quality 80–85% gives 60–75% smaller files.
Click Compress. ImgMin processes locally and serves the WebP immediately. Any transparent areas in your PNG are preserved in the WebP output.
The right choice depends on your PNG's content. Here's the practical guide:
Use for: Logos, icons, UI screenshots, images with text, any graphic requiring exact reproduction.
Use for: Photos saved as PNG, product images, hero images where file size matters more than pixel-perfect reproduction.
Actual conversion results across common PNG use cases. Lossless WebP is used for graphics; lossy WebP (q80) for photographic content.
| Image Type | PNG Size | WebP Size | Mode | Savings |
|---|---|---|---|---|
| Logo with transparency | 85 KB | 58 KB | Lossless | 32% smaller |
| UI screenshot | 420 KB | 290 KB | Lossless | 31% smaller |
| Icon set (24px) | 12 KB | 9 KB | Lossless | 25% smaller |
| Photo saved as PNG (3MP) | 3.8 MB | 780 KB | Lossy q80 | 80% smaller |
| Product photo (white bg) | 1.1 MB | 240 KB | Lossy q80 | 78% smaller |
💡 Photos saved as PNG are especially large because PNG is lossless by design. Converting to lossy WebP yields dramatic reductions with imperceptible quality loss.
Lossless WebP maintains crisp edges and transparency while cutting file size by 25–34%. Direct drop-in for <img> tags.
Product photos saved as PNG are often 2–5 MB. Lossy WebP at q80 brings them under 300 KB — critical for mobile conversion rates.
Lossless WebP for documentation screenshots — same quality, 30% smaller. Speeds up page loads without visible change.
Keep PNG for print workflows. WebP isn't accepted by most print services or professional imaging software like Photoshop plugins that expect PNG.
Most email clients don't render WebP inline. Use PNG or JPEG for images embedded in HTML emails.
Keep PNG for favicons and Apple Touch Icons. These have specific OS and browser expectations that require PNG or ICO formats.
No upload. No server. Transparency preserved. Convert up to 10 PNGs to WebP at once.
Start Converting Free →Lossless WebP is typically 25–34% smaller than PNG for the same image. Lossy WebP from a PNG source can be 60–80% smaller — especially dramatic for photos saved as PNG, which are inherently large due to PNG's lossless compression.
Yes, fully. WebP supports an 8-bit alpha channel in both lossless and lossy modes. When you convert a PNG with transparent background to WebP using ImgMin, the transparency is preserved. You can verify this by opening the output in a browser or image editor and checking that the transparent areas remain transparent.
Use lossless WebP for logos, icons, screenshots, and graphics where exact pixel reproduction matters. Use lossy WebP (quality 80%) for photographic content saved as PNG — you'll get 60–80% smaller files with no perceptible quality loss at normal viewing sizes.
With ImgMin — yes. The conversion happens entirely in your browser using the Canvas API. No images are sent to any server. Open DevTools → Network tab while converting and you'll see zero upload requests. Your files never leave your device.
Keep PNG when delivering to platforms that don't support WebP (email clients, certain print workflows, legacy CMS), when you need to edit the image further in software with limited WebP support, or for favicon and Apple Touch Icon files where PNG is the expected format.