Use our free online JPEG to WebP tool. Fast, secure, and no sign-up required. Free to use with no sign-up and no watermark.
This tool converts a JPEG image into a WebP file in your browser. Nothing is uploaded, so the conversion is instant and the file stays private. The output keeps the pixel dimensions of the original unless you ask for a resize.
JPEG uses lossy compression optimised for photographs and no transparency. WebP uses both lossless and lossy modes and supports transparency. That difference is what decides whether the conversion is a good idea for your particular image.
WebP is the better choice for web publishing where smaller page weight matters. JPEG is still the better choice for photographs and camera images. If you are converting between the two, you are usually trading transparency and file size against sharpness — significantly smaller files at equivalent quality in most cases.
One practical warning: JPEG does not support animation, and WebP supports animation. If animation matters, converting in this direction will lose it. Verify the result visually before it goes live.
Add the file, choose the output settings, and download the converted image. Open both versions side by side at 100% to check for banding or ringing around high-contrast edges, especially on text and thin lines.
Yes. The file is processed locally in your browser and is never uploaded to a server, so it is safe for private screenshots and documents.
WebP uses both lossless and lossy modes, so some quality loss is possible if the source is lossy compression optimised for photographs. Keep the original file and compare the output before you overwrite anything.
No fixed limit — the work is done by your own device, so very large files simply take longer.
Yes. The pixel dimensions are preserved unless you deliberately resize the image.