Convert any image format to modern WebP format. Reduce file size up to 80% with superior compression.
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WebP is a modern image format developed by Google that typically produces significantly smaller files than JPEG or PNG at a comparable visual quality. It supports both lossy compression (like JPEG) and lossless compression with transparency (like PNG), making it a flexible replacement for either.
Because WebP compresses more efficiently, converting existing JPG or PNG images to WebP is one of the easiest ways to shrink file sizes — and by extension speed up page loads — without a visible drop in quality. It's supported by all major modern browsers.
This is a browser-based converter dedicated to turning any image format (JPG, PNG, GIF, BMP, and more) into WebP. Upload one or more images, choose a quality level (Low, Medium, or High), and each one is redrawn onto a canvas and re-encoded as WebP.
This tool focuses specifically on converting to WebP — for converting between other format pairs, use the general Convert Image tool. Everything runs locally in your browser; your files are never uploaded to a server.
Click "Select images" or drag and drop one or more image files onto the upload area.
Pick Low, Medium, or High depending on how much you want to prioritize file size versus visual quality.
Click the convert/download button — each image is redrawn on a canvas and re-encoded as WebP.
A single converted image downloads directly; multiple images download together as a ZIP file.
While all modern browsers support WebP, some older image viewers, editors, or operating system versions may not open it directly — check that your target destination supports WebP before relying on it exclusively.
Simple graphics or icons that are already very small won't shrink much further, since there's limited redundant data left to compress out.
The "Low" quality preset compresses more aggressively and can introduce visible softness or blockiness on images with fine detail — try "Medium" or "High" if this happens.
Only image files are accepted — non-image files are filtered out with an error message.
Converting many large images at once can take noticeably longer since each one is individually redrawn and re-encoded — let it finish rather than reloading the page.
A typical case shrinking an image for web use without a visible quality drop.
Input
hero-banner.jpg — 1.8 MB, High quality
Output
hero-banner.webp — often 400-700 KB, visually comparable quality
No. Conversion happens entirely in your browser using the Canvas API. Your images are never sent to a server.
"High" (0.95) is a strong default that preserves quality while still benefiting from WebP's efficient compression. Choose "Medium" (0.8) or "Low" (0.6) if you want to prioritize file size further.
Yes, WebP supports transparency similarly to PNG, but typically compresses transparent images to a smaller file size.
All major modern browsers (Chrome, Firefox, Safari, Edge) support WebP natively. Some older software or specific editing tools may have limited support, so check your target use case if compatibility is a concern.
Yes, upload as many images as you like and they'll all be converted at the same quality setting in a single batch, downloadable as a ZIP file.
No, the pixel width and height stay exactly the same — only the format and file size change.