Image Compressor
Compress images with adjustable quality. No upload required.
About Image Compression
Image compression reduces file sizes while maintaining acceptable visual quality. Lossy compression formats like JPEG and WebP discard some image data to achieve smaller files. This tool uses the browser's built-in Canvas API to re-encode images at your chosen quality level, making it completely private — no data ever leaves your device. Lower quality values produce smaller files but may introduce visible artifacts.
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Frequently Asked Questions
How does the image compressor work?▾
It uses the HTML Canvas API to re-encode your images at a lower quality setting. Your images are processed entirely in the browser — nothing is uploaded to any server.
What formats are supported?▾
You can upload any browser-supported image format (JPEG, PNG, WebP, GIF) and export as JPEG or WebP with adjustable quality.
Is there a file size limit?▾
Each image can be up to 20MB. There is no limit on the number of images you can compress at once.