Compress images online
Shrink JPG and PNG file sizes without losing visible quality. Everything runs in your browser, so your images stay completely private — and there's no upload to wait on.
Drop images here, or browse
JPG and PNG supported — files stay on your device.
Compressed on your device. Images are never uploaded.
How to compress images
- 1 Drag your JPG or PNG images into the box above, or click to browse and select them.
- 2 Choose a compression level — Small, Balanced, or High quality.
- 3 Click Compress, then download your smaller images individually or all at once.
Frequently asked questions
- Is this image compressor really free?
- Yes. There are no accounts, no watermarks, and no daily limits. Compress as many images as you like, as often as you like.
- Are my images uploaded to a server?
- No. Compression happens entirely inside your browser using a WebAssembly-powered engine running in a background thread. Your images never leave your device, which makes this safe for private and sensitive photos — and faster, since there is no upload or download round-trip.
- Will compressing reduce the image quality?
- The Balanced preset is tuned to shrink file size dramatically while keeping the image visually identical. Pick Small for the lightest files, or High quality to preserve maximum detail. If an image is already optimized, we keep the original rather than make it larger.
- Which image formats can I compress?
- You can compress JPG (JPEG) and PNG images. Add as many as you like and download them individually or all at once.