Image Compressor

The tool uses your browser's built-in Canvas API to re-encode images at a lower quality setting. For JPEG and WebP formats, the quality slider controls the compression level. Lower quality means smaller file size but more visual artifacts.

You can upload PNG, JPEG, WebP, and GIF images. For output, you can choose between JPEG, PNG, and WebP formats. Converting between formats can also help reduce file size depending on the image content.

Yes! All processing happens entirely in your browser. Your images are never uploaded to any server. No data is collected, stored, or transmitted.

For most photos, a quality setting of 70-80% provides a good balance between file size and visual quality. For images with text or sharp edges, try 85-90%. Below 50%, compression artifacts become very noticeable.

Yes. Use the optional max width and max height fields to resize your image. When the maintain aspect ratio option is enabled, the image will scale proportionally so it fits within your specified dimensions without distortion.