Image Compressor - Reduce Image Size in the Browser
Compress a selected image in the browser with format and quality controls, preview the size tradeoff, and download the result.
Runs in your browser with local processing whenever possible. No upload is required for local-only features.
What this tool does
Compress a selected image with format and quality controls, preview the size tradeoff, and download the result.
How to use it
- Use a non-sensitive sample image first.
- Compare quality, dimensions, format, and output size.
- Download and inspect the result before replacing the original.
Example workflow
Compare WebP and JPEG output for a public hero image while keeping the original file unchanged.
Frequently asked questions
Does compression always reduce file size?
Usually, but the result depends on format, dimensions, source content, and quality settings.
Is the source image uploaded?
Local-only processing is the intended path; read the tool notice before using any external feature.