Convert a JPG or PNG image to WebP format, with an adjustable quality slider, processed entirely in your browser.
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Output is re-encoded as WebP.
Your image is processed entirely in your browser. Nothing is uploaded to any server.
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This tool draws your uploaded image onto a canvas and re-exports it as WebP using the canvas encoding built into every modern browser, no upload or third-party service involved.
WebP typically produces smaller file sizes than JPEG or PNG at a comparable visual quality, which helps pages load faster. It's supported by all modern browsers, making it a solid choice for web images where broad legacy compatibility isn't a concern.
Yes, WebP supports transparency, and if your source image has an alpha channel, it's preserved in the WebP output (unlike converting to JPG, which always fills transparency with white).
80-90% is a reasonable starting point for most images, balancing file size against visual quality. Adjust the slider and compare the resulting file size for your specific image.
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