This free online image compressor reduces an image's file size by re-encoding it as a JPEG at your chosen quality. Everything happens in your browser - your image is never uploaded anywhere.
How to Use the Image Compressor
Click "Select Image" and choose the image you want to compress.
Adjust the quality slider - lower values produce a smaller file but reduce image quality.
Click "Compress" to see the new file size, then download the result.
Frequently Asked Questions
It draws your image onto a canvas and re-encodes it as a JPEG at the quality percentage you choose. Lower quality values compress more aggressively.
Yes. The output is always a JPEG, which doesn't support transparency, so any transparent areas are filled with white.
No. Compression happens entirely in your browser using the Canvas API - your image never leaves your device.
Yes, it's completely free and requires no sign-up.