Shrink JPG/PNG/WebP images right in your browser. Nothing uploaded anywhere.
Will compressing reduce quality?Some quality loss is normal with JPEG/WebP compression, but the quality slider lets you balance file size against visual quality — 75-85% is usually indistinguishable from the original at normal viewing sizes.
What's the difference between JPEG, WebP, and PNG?JPEG and WebP suit photos best (smaller files, some quality loss); WebP generally compresses smaller than JPEG at the same quality. PNG is lossless — better for screenshots or sharp-edged graphics, but larger.
Is there a batch mode?Yes — drop multiple images at once and compress them all in the same session.
Are my images uploaded anywhere?No — compression happens entirely in your browser using the Canvas API. Nothing is sent to a server.