Browser-based image tool
Redact Image Securely
Remove visible pixels inside one rectangular selection instead of applying reversible blur.
Settings
Select images to begin.
Privacy: Processing and file downloads stay inside your browser. There is no upload endpoint for this tool. Browser memory limits still apply.
How to use Redact Image Securely
- Choose the supported source image from your device.
- Adjust the controls and review the original preview.
- Select Process locally, review the result and download the output.
What to expect
Replace a chosen region with verified flat opaque pixels and export a flattened PNG. Remove visible pixels inside one rectangular selection instead of applying reversible blur.
Limitations and image privacy
Only the specified region is covered. Carefully review the full export for other visible sensitive information. No forensic assurance.
Each file is capped at 20 MB and 30 million decoded pixels. Multiple files are processed sequentially to limit CPU and memory demands. Files are processed locally; nothing is transmitted to the image-processing server. Generated copies can differ from the original and original files remain on your device.
Explore all working image tools, or see supported image formats.