Can't upload a photo to a form or website because the file is too big? Lower the quality here to reduce the size in KB. Your photo never leaves your device — everything happens in your browser.
No. Compression happens inside your browser — no server, no upload. Your photo never leaves your device.
Move the quality slider to 50–70% and compress again, until the size drops below 200KB. This usually works on large photos.
Yes, the output is in JPG format (usually smaller than a PNG). A PNG with a transparent background may appear on a white background.
No — no daily limit, no signup. As many photos as you like, completely free.