PDF Redaction
Redact a PDF by permanently blacking out sensitive areas — the underlying content is removed, not just hidden. Free and fully in-browser.
Drop a PDF here or click to browse
Redacted privately in your browser · never uploaded
Rendering…
How to use the PDF Redaction
- Drop a PDF onto the upload box. Each page is rendered to a canvas right in your browser.
- Click and drag across any sensitive text to cover it with a solid black box. Add as many as you need.
- Use Prev / Next to move between pages, and Undo or Clear page to fix mistakes.
- Click Apply & download — the pages are flattened to images so the hidden text is gone for good.
Frequently asked questions
Does the black box really remove the text?
Yes. On export, every page is rasterised (converted to a flat image) with the black boxes baked in. The original text layer is discarded, so the covered content cannot be copied, searched or recovered from the output PDF.
Why is that safer than a black rectangle in a normal PDF editor?
In many editors a black rectangle is just drawn on top — the real text still sits underneath and can be selected or extracted. Because this tool re-builds the PDF from images, there is no hidden text left behind.
Does rasterising affect quality or file size?
Pages are rendered at 2× resolution so text stays crisp on screen and in print. The trade-off is that the output is image-based, so it is no longer selectable text and the file may be larger.
Is my document uploaded to a server?
No. Rendering, drawing the boxes and rebuilding the redacted PDF all happen locally in your browser. The file never leaves your device.