How to redact a PDF on Android
You don't need to install anything to redact a PDF on an Android phone. A browser-based redactor runs in Chrome and processes the file on the device, so your document never leaves your phone.
Here's how to redact a PDF on Android for free.
Step by step
- 1Open the redactor — nothing to install
Go to the PDF Redactly redactor in any modern browser (desktop or phone). There's no app to download and no account needed to start.
- 2Drop your PDF onto the page
Drag the file in or click to choose it. It loads straight into the browser tab — there is no upload endpoint, so the document never travels to a server.
- 3Let auto-detection find the sensitive data
PDF Redactly scans the document and flags 30+ categories — names, SSNs, emails, phone numbers, account numbers, dates of birth, and more — so you don't have to find every instance by hand.
- 4Review and adjust
Add your own phrases to redact everywhere they appear, click any word on the page to mark it, or drag the edge of a redaction box to extend or shrink it. You stay in control of every redaction.
- 5Apply and download
Applying the redactions destroys the underlying text and image data inside each box in the output PDF — it isn't just visually covered. Copy-paste from the saved file reveals nothing.
Opening your PDF on Android
Open the PDF Redactly redactor in Chrome, tap to choose a file, and pick your PDF from Files, Google Drive, or a saved attachment. The detection model runs locally and is small enough for modern Android phones.
The redacted PDF saves back to your device, and because nothing was uploaded, no copy exists anywhere else.
FAQ
No. PDF Redactly runs in Chrome on Android with nothing to install, and the free tier needs no account.
No. Processing happens on your phone in the browser; the file is never sent to a server.
Free, in your browser, with automatic detection. Your file never leaves your device.
Open the redactor