PNG to WebP Converter

This sometimes happens with very small images, images with large flat-color areas, or when quality is set too high. Try: (1) Lower quality from 85 to 78. (2) Try lossless mode — for graphics-style images it can compress better than lossy. (3) If your PNG is already well-optimized, the gains may be smaller than average.

With WebP, this should not happen — WebP preserves alpha transparency. If you're seeing an incorrect background, check that your image viewer supports WebP with transparency. Open the file in Chrome or Firefox to verify. If the issue persists, try lossless mode instead of lossy.

You're using lossy mode on a graphics-style image with sharp edges — this is the most common mistake. Switch to lossless WebP mode. Lossy compression introduces subtle distortion on hard edges, text, and flat-color areas that looks visibly wrong. Lossless mode eliminates this completely.

WebP opens natively in Chrome, Edge, Firefox, and Safari. On Windows, use Photos (Windows 11) or install the WebP Image Extensions from the Microsoft Store. On macOS, use Preview (macOS Sierra+) or open in any Chromium browser. GIMP and Photoshop also support WebP with current versions.

Yes — this is the main reason to choose WebP over JPG for PNG files. WebP fully supports alpha channel transparency, including semi-transparent pixels. Your logos, icons, and cut-out images will retain their transparent backgrounds perfectly after conversion. This is unlike PNG to JPG conversion, where transparency is permanently lost and replaced with a solid background color.

It depends on the image type. For photos and complex scenes, use lossy WebP (quality 80–85) — you get 40–50% smaller files with no visible quality loss. For logos, icons, UI elements, line art, and screenshots with sharp text, use lossless WebP — files stay visually identical to the original PNG while typically being 25–30% smaller. When in doubt, try lossy at quality 85 first. If you see artifacts on sharp edges or text, switch to lossless.

According to Google's own data, lossless WebP is on average 26% smaller than equivalent PNG files. For photo-like PNGs converted with lossy WebP compression, the savings are typically 40–50%. The exact reduction depends on image content: simple graphics with large flat-color areas compress very well, while high-noise photographs may see smaller gains.

Yes — use lossless WebP mode. Lossless WebP preserves every pixel of the original image exactly, just like PNG, but the file is typically 25–30% smaller. There is zero quality loss with lossless WebP — it is mathematically identical to the source PNG when decoded. This makes it ideal for brand assets, logos, and any image where pixel-perfect accuracy is required.

Yes. Drop or select multiple PNG files at once — there is no limit on how many you can process simultaneously. Once conversion is complete, download each WebP file individually or click Download All to save everything as a single ZIP archive.

For most website use cases, yes. WebP provides smaller file sizes than PNG — which means faster page load times, better Core Web Vitals scores, and lower bandwidth costs. WebP also supports transparency just like PNG, so there is no downside for logos and icons. The only reason to keep PNG on a website is if you need support for very old browsers (pre-2019) or if a specific tool in your workflow does not accept WebP files.

No. Creatoryn converts entirely inside your web browser using JavaScript and WebAssembly. Your PNG files never leave your device — they are not sent to any server at any point. This makes it safe for confidential images, client work, brand assets, and any file you prefer to keep private.

For logos and icons, use lossless WebP (quality 100 or lossless mode). Lossy WebP can create subtle blurring or color banding on the sharp edges typical of logos and icons — quality that is important for professional branding. Lossless mode is also the correct choice for any PNG that will be used as a source file for future editing.