Convert PNG images to WEBP. Batch upload supported — everything runs locally.
All processing happens in your browser — files never upload anywhere.
PNG to WEBP converts your Portable Network Graphics (.png) files to WebP (.webp) directly in your browser using the browser's built-in Canvas 2D encoder. No signup, no watermark, no upload — your PNG stays on your device from start to finish. WebP is typically used for modern web images (25–35% smaller than JPEG at similar quality), and Toolspace's converter preserves the source at the highest quality the target format allows.
the browser's built-in Canvas 2D encoder
Every step runs on your device — nothing is uploaded.
Open Toolspace at https://toolspace.cloud/image/png-to-webp. Nothing installs — the tool runs in your browser.
Drag your PNG file into the drop zone or click to browse. Files stay local — no upload happens.
the browser's built-in Canvas 2D encoder handles the conversion in the background. Typical files convert in seconds.
Click Download to save the new WEBP file to your device.
Yes. PNG to WEBP on Toolspace is fully free with no watermark, no signup, and no WEBP size cap. It's ad-supported so we can afford to give it away.
No. PNG to WEBP runs entirely in your browser using the browser's built-in Canvas 2D encoder. Your PNG never leaves your device — it's safe for confidential documents, sensitive photos, or unreleased media.
WebP is used for modern web images (25–35% smaller than JPEG at similar quality). Converting to WEBP makes sense when you're publishing online.
WEBP is a lossy format, so some visual data is discarded during encoding. PNG to WEBP uses quality 92 by default, which is visually indistinguishable from the source on most photos while producing files 3-5× smaller than PNG. For lossless conversion, choose PNG or WebP-lossless instead.
Near-instant for typical file sizes. A 2 MB PNG converts in well under a second on any modern device.
Those services upload your PNG to their servers to convert it. PNG to WEBP does everything in your browser — no upload, no server round-trip, and no rate limits. That means privacy for sensitive files and much faster conversions for large ones.
All free, all browser-based, all zero-signup.