When WebP makes sense
WebP can be a good choice for website images when the destination supports it. If an older application requires JPG, keep a JPG copy instead of replacing the original.
Choose a sensible quality level
Converting an already-compressed JPG to WebP does not recreate lost detail. Start with a high quality setting and compare the result visually.
Convert the file
Use the JPG, PNG & WebP Converter, choose the JPG source and select WebP as the output.
Compress after conversion only when necessary
If the WebP is still too large, check whether its pixel dimensions are excessive. Resizing can be more useful than repeatedly lowering quality.
Keep the original
Keep the source JPG when the image is important. A converted copy is easier to regenerate than a degraded original.