Add custom text annotations and redact/whiteout confidential page details. Process documents client-side locally in browser memory without server uploads.
Files stay in your browser. Nothing is uploaded to any server.
How It Works
Editing PDFs frequently involves adding signatures, annotations, date lines, or hiding sensitive elements like account numbers, home addresses, or personal photographs. Normal cloud-based PDF tools save copies of your raw documents on their web servers. Our browser PDF Editor ensures absolute confidentiality.
Once you select a PDF, PDF.js renders the pages in a vertical canvas stream. You can overlay text directly by clicking on the page, or redact segments by drawing colored boxes to whiteout or blackout sensitive details.
Hiding private records (like credit card numbers or passport IDs) is critical before sharing. Our redaction tools draw solid shapes on top of the coordinates using pdf-lib, ensuring the covered text cannot be selected or read by decoders.
When you click "Save & Download", the script converts your browser overlay coordinates to PDF coordinates and draws the updates directly into the PDF. The file is packaged and downloaded from browser RAM. Your data stays on your device.
No. We do not use external APIs or cloud databases to process your scans. All page rendering, text overlays, and PDF compilation processes happen locally in your browser memory.
Yes. Our PDF Editor writes a vector color fill shape over the PDF content stream. This flattens the details beneath, preventing text selectors and scrapers from extracting the redacted content.
No. Standard security standards block client-side scripts from reading, rendering, or drawing on restricted PDFs. You must remove the PDF password block before uploading the document.