PNG to WebP Converter

PNG to WebP Converter

PNG is the gold standard for lossless, transparent images — but on the web, that quality comes with weight. Big PNGs slow pages down and eat bandwidth. WebP was built to fix exactly that: it delivers PNG-like quality, keeps transparency, and does it at a fraction of the size. This converter re-encodes your PNGs as WebP instantly, in your browser, with nothing uploaded.

Why switch to WebP?

• Dramatically smaller files — typically 25–50% lighter than PNG, often much more, which means faster-loading pages and lower bandwidth.
• Transparency preserved — WebP’s alpha channel carries your PNG’s transparent regions over intact.
• Adjustable quality — the slider lets you trade size against fidelity, so you can tune each image for its purpose.

Use the quality slider to dial it in: ~80% is excellent for web imagery. If you need to support old browsers or apps that still reject WebP, convert to JPG instead, or keep the original PNG.

Private and offline

Your browser handles WebP encoding natively, so the whole conversion runs on your own device — decode the PNG, re-encode as WebP, done. No upload, no storage, no logging. Batch conversion is local too: drop a set of PNGs and download the lot as a zip without a server ever touching your files.

Tips

• Tune per image: screenshots and graphics can go higher; large hero photos can go lower.
• Keep transparency: WebP holds your alpha channel — no white backgrounds like JPG.
• Batch your assets: convert a whole image folder at once and download a single zip.