Every tool below resizes, converts, or compresses images directly in your browser using the Canvas API — your photos are never uploaded to a server, which matters if you're working with anything you'd rather not send over the wire.
Anyone who needs to quickly resize, convert, or compress an image without installing software or trusting a third-party upload service.
WebP typically produces 25-35% smaller files than JPG at equivalent visual quality, and it supports transparency, which JPG doesn't. The tradeoff is that some older software and email clients still don't render WebP correctly — JPG remains the safer default for maximum compatibility.
No. All processing happens locally in your browser tab using the Canvas API. Your images never leave your device.
For web use, 75-85% JPG/WebP quality and image widths matched to your actual display size, not your camera's full resolution, keep files small without visible quality loss.