Redact PDF Online Free
Black out sensitive info before you share. Redaction burns in locally — your file never leaves this device.
Drop a PDF to redact
or click to browse — black out sensitive text securely
Draw black boxes over names, IDs, and secrets before you share.
Redaction burns in locally — your document never leaves this device.
Files are edited locally in your browser. Nothing is uploaded or stored on a server.
How to use Redact PDF Online Free
Open the PDF
Drop a document that contains names, IDs, or secrets to hide.
Draw black boxes
Drag over each region you want permanently covered.
Review pages
Scroll large PDFs safely — pages render only when visible.
Download redacted PDF
Opaque black rectangles are written into the exported PDF.
Why this page ranks for intent
Client-side redaction
Unlike upload-based redactors, content never hits our servers.
True black-out boxes
Exported covers are solid black — not translucent highlights.
No watermark / no signup
Share-ready files without branded stamps or email gates.
Popular use cases
Medical / HR docs
Hide SSNs, addresses, and patient details before emailing.
Contracts
Black out pricing or personal clauses for limited sharing.
FAQ
Upload-based tools introduce risk. This redactor runs fully in your browser with pdf-lib, so the document stays on-device.