# PDF Redaction

> Protect sensitive information with AI-driven automatic redaction and manual editing. Easily redact PII in PDFs with customizable options—100% FREE and secure!

## Site

- [Home](https://pdf-redaction.com/): Homepage — AI and manual PDF redaction tool.
- [pricing](https://pdf-redaction.com/pricing/): Pricing plans for PDF Redaction, with an interactive price calculator that works out the monthly cost of your volume on every plan. Free tier: 100 pages per month across an unlimited number of documents, up to 25 MB per file, no account required. Paid plans add a per-page rate once the monthly allowance runs out.
- [blog](https://pdf-redaction.com/blog/): PDF Redaction blog — product updates and guides.
- [contact-us](https://pdf-redaction.com/contact-us/): Contact the PDF Redaction team.
- [partners](https://pdf-redaction.com/partners/): PDF Redaction partner program.
- [schedule-meeting](https://pdf-redaction.com/schedule-meeting/): Schedule a demo with the PDF Redaction team.
- [solutions](https://pdf-redaction.com/solutions/): Overview of PDF Redaction solutions.
- [redaction](https://pdf-redaction.com/redaction/): Free online PDF redaction tool — 100 pages per month free, unlimited documents, no account required.

## Docs

- [Quick Start](https://pdf-redaction.com/docs/): Explore our comprehensive AI-powered PDF Redaction solutions, offering flexible deployment options from browser-based tools to on-premise SDKs and APIs for secure data protection.
- [Anonymize PDF with base64 input](https://pdf-redaction.com/docs/api/anonymize_pdf_base64/)
- [Anonymize PDF with custom prompt](https://pdf-redaction.com/docs/api/anonymize_pdf_custom/)
- [Anonymize PDF with file upload](https://pdf-redaction.com/docs/api/anonymize_pdf_file/)
- [Detect PII in PDF with base64 input](https://pdf-redaction.com/docs/api/detect_pii_pdf_base64/)
- [Detect PII in PDF with file upload](https://pdf-redaction.com/docs/api/detect_pii_pdf_file/)
- [Quick Start](https://pdf-redaction.com/docs/api/): PDF Redaction API is a powerful tool that allows you to redact sensitive information from PDF documents using AI.
- [Self-Hosted PDF Redaction API](https://pdf-redaction.com/docs/api-self-hosted/): Deploy and configure the PDF Redaction API on your own infrastructure using Docker
- [Integrations](https://pdf-redaction.com/docs/integrations/): Connect PDF Redaction to n8n, Obsidian, Make.com, Zapier, and other automation and workflow platforms.
- [Obsidian](https://pdf-redaction.com/docs/integrations/obsidian/): Redact PDFs from inside Obsidian using the PDF Redaction plugin — AI-detected PII, manual review, and redaction, without leaving your vault.
- [PDF Redaction MCP](https://pdf-redaction.com/docs/mcp/): Redact and detect PII in PDFs directly from Claude Desktop, Claude Code, Cursor, or any MCP-compatible client.
- [OCR Language Support](https://pdf-redaction.com/docs/ocr-languages/): Languages supported by in-browser OCR across Web, Studio, Studio Desktop, and the Embeddable Widget
- [PDF Redaction Online](https://pdf-redaction.com/docs/online/): Online PDF redaction tools
- [PDF Redaction SDK](https://pdf-redaction.com/docs/sdk/): PDF Redaction SDK
- [Quick Start PDF Redaction Studio](https://pdf-redaction.com/docs/studio/): On-Premise PDF Redaction Studio
- [PDF Redaction Studio Desktop](https://pdf-redaction.com/docs/studio-desktop/): Install and use the PDF Redaction Studio Desktop app on Linux, Windows, and macOS — no Docker or server required.
- [WebMCP](https://pdf-redaction.com/docs/webmcp/): Let AI browser agents drive PDF Redaction directly on pdf-redaction.com.
- [Embeddable Widget](https://pdf-redaction.com/docs/widget/): Embed PDF redaction directly on your own website via a script tag or React component.
- [Tutorial: Redact a PDF Fetched Over HTTP](https://pdf-redaction.com/docs/integrations/n8n/anonymize-pdf/): A complete, runnable n8n workflow that fetches a PDF over HTTP and redacts a face in it with the PDF Redaction node.
- [Tutorial: Detect PII Without Redacting](https://pdf-redaction.com/docs/integrations/n8n/detect-pii/): Build an n8n workflow that scans a PDF for names, emails, and dates using the Detect PII operation, without modifying the document.
- [n8n](https://pdf-redaction.com/docs/integrations/n8n/): Redact and detect PII in PDFs as a step in your n8n workflows using the official PDF Redaction community node.
- [Setup & Configuration Tutorial](https://pdf-redaction.com/docs/integrations/n8n/install/): Install the PDF Redaction n8n community node, create the API credential, and configure the Anonymize, Anonymize with Custom Prompt, and Detect PII operations.

## Solutions

- [Pdf Redaction Sdk](https://pdf-redaction.com/pdf-redaction-sdk/): SDK for embedding AI-powered PDF redaction into your product.
- [Redact Pdf](https://pdf-redaction.com/redact-pdf/): Redact sensitive information from PDF documents online.
- [Redaction Api](https://pdf-redaction.com/redaction-api/): REST API for automated PDF redaction and PII detection.
- [Unredact](https://pdf-redaction.com/unredact/): Check whether a PDF redaction is secure — verify no recoverable text or hidden layers remain.
- [Custom Rules](https://pdf-redaction.com/solutions/custom-rules/): Define custom PII detection rules for automated redaction.
- [Professional Services](https://pdf-redaction.com/solutions/professional-services/): Managed redaction and integration services for enterprises.
- [Redaction Studio](https://pdf-redaction.com/solutions/redaction-studio/): Standalone editor for manual and AI-assisted PDF redaction.
- [Studio Desktop](https://pdf-redaction.com/solutions/studio-desktop/): Desktop app for offline PDF redaction.

## How-to Guides

- [How to Redact a PDF: Step-by-Step Guides for Every Task](https://pdf-redaction.com/how-to/): Practical, screenshot-led guides for redacting sensitive information from PDFs: on any device, for any document type, checked so nothing can be recovered.
- [How to Redact a PDF: 4 Methods Compared (2026 Guide)](https://pdf-redaction.com/how-to-redact-pdf/): Learn how to redact a PDF so the information is permanently removed, not just covered. Compare AI redaction, Adobe Acrobat, free online tools and manual black boxes, then verify the result.
- [How to Redact a PDF on Mac (Preview vs Acrobat vs AI)](https://pdf-redaction.com/how-to/redact-pdf-on-mac/): Three ways to redact a PDF on a Mac: the built-in Preview Redact tool, Adobe Acrobat Pro, and a free AI tool in Safari or Chrome. What Preview gets right, what it misses, and how to verify the result.
- [How to Redact a Scanned PDF (OCR + Image Redaction)](https://pdf-redaction.com/how-to/redact-scanned-pdf/): A scanned PDF is an image, so a redaction tool must run OCR before it can find text. Learn how to redact scanned documents, photos and faxes so both the pixels and the recognised text are removed.
- [How to Check If a PDF Is Properly Redacted (Unredact Test)](https://pdf-redaction.com/how-to/check-pdf-redaction/): Three quick tests to check whether a redacted PDF still hides recoverable text, layers or metadata, plus how to fix a failed redaction before you share the file.
- [How to Redact a PDF for Free (No Adobe, No Sign-Up)](https://pdf-redaction.com/how-to/redact-pdf-free/): Redact a PDF for free in your browser: AI finds names, addresses and ID numbers, the text is deleted from the file, and nothing is uploaded or stored. Compare the free options and their limits.
- [How to Redact a PDF Without Adobe Acrobat](https://pdf-redaction.com/how-to/redact-pdf-without-adobe/): Five ways to redact a PDF without Adobe Acrobat Pro: a free AI tool in your browser, a desktop app, macOS Preview, free online editors and open-source tools, with what each one misses.
- [How to Permanently Redact a PDF (Not Just Black Boxes)](https://pdf-redaction.com/how-to/permanently-redact-pdf/): Permanent PDF redaction deletes the text, image pixels and metadata from the file. Learn what a real redaction changes, how to do it with a free tool or Acrobat, and how to prove it worked.
- [How to Redact Text in a PDF (Every Instance, Automatically)](https://pdf-redaction.com/how-to/redact-text-in-pdf/): Redact specific words, names or numbers from a PDF and catch every occurrence: AI detection by data type, search-and-redact for exact terms, and manual boxes for the rest. With Acrobat steps and verification.
- [How to Black Out Text in a PDF (and Why a Black Box Isn't Enough)](https://pdf-redaction.com/how-to/black-out-text-in-pdf/): Black out text in a PDF so it is actually gone: the difference between a drawn black box and a real redaction, how to do it for free in your browser, in Acrobat and in Preview, and how to check.

## Blog

- [PDF Redaction Studio Desktop Is Now Available on Linux via Snap](https://pdf-redaction.com/blog/studio-desktop-linux-snap/): We are excited to announce that PDF Redaction Studio Desktop is now available on Linux as a Snap package — the easiest way yet to run AI-powered PDF redaction locally on your machine.
- [We Have Reached 1000 Registered Users](https://pdf-redaction.com/blog/we-have-reached-1000-registered-users/): A major milestone: our AI PDF Redaction Tool has reached 1000 registered users! Thank you for making data security accessible to everyone.
- [PDF Redaction Accuracy: How to Ensure Sensitive Data is Truly Removed](https://pdf-redaction.com/blog/pdf-redaction-accuracy-how-to-ensure-sensitive-data-is-truly-removed/): Learn how PDF redaction accuracy is achieved at every stage: text extraction, OCR, handwritten text recognition, detecting non-text PII, AI-based sensitive data detection, coordinate mapping, and metadata cleaning. Discover how PDF-Redaction ensures reliable results.
- [6 Best Practices for Secure PDF Redaction](https://pdf-redaction.com/blog/best-practices/): Learn 6 easy, effective ways to safely redact PDFs. This guide shows how to fully remove sensitive data and metadata — and how our AI PDF Redaction tool makes the process fast, secure, and compliant.
- [AI vs. Manual PDF Redaction: Which Method Protects Your Privacy Best?](https://pdf-redaction.com/blog/ai-vs-manual/): Comparing AI and manual PDF redaction methods to determine the best option for protecting sensitive data in documents.
- [Why PDF Redaction Is Crucial for Protecting Sensitive Data](https://pdf-redaction.com/blog/why-pdf-redaction-matters/): Still sending unredacted PDFs? It’s time to take control. Learn why PDF redaction is essential for protecting sensitive data and staying compliant with regulations.
- [Top 5 PDF Redaction Mistakes That Could Cost You Millions (And How to Avoid Them)](https://pdf-redaction.com/blog/top-pdf-redaction-mistakes/): Discover the shocking PDF redaction errors exposing sensitive data in 2023. Learn professional techniques to properly redact Social Security numbers, medical records, and legal documents.

## Pages

- [Change Log - PDF Redaction Tool](https://pdf-redaction.com/changelog/): Change Log for PDF Redaction service.
- [About Us - PDF Redaction](https://pdf-redaction.com/about/): Learn about PDF Redaction's mission and the team behind it.
- [Download PDF Redaction Studio Desktop - Windows, Linux, macOS](https://pdf-redaction.com/download/): Download PDF Redaction Studio Desktop for Windows, Linux, and macOS. Redact sensitive information from PDFs natively, with no Docker or server required.
- [Support - PDF Redaction Tool](https://pdf-redaction.com/support/): Get help with PDF Redaction — contact support, read the docs, or chat with us instantly.
- [iLovePDF Redact Alternative: AI-Powered PDF Redaction](https://pdf-redaction.com/alternatives/ilovepdf/): iLovePDF's Redact tool auto-detects only 3 data types and uploads your file to the cloud. PDF Redaction detects 50+ PII types with zero-file-storage, a free tier, and self-hosted deployment.
- [Adobe Acrobat Redaction Alternative: Why PDF Redaction is Better](https://pdf-redaction.com/alternatives/adobe-acrobat/): Why PDF Redaction is the best Adobe Acrobat alternative for secure document redaction. Compare AI-powered features, pricing, and privacy.
- [CaseGuard Alternative - PDF Redaction](https://pdf-redaction.com/alternatives/caseguard/): Why PDF Redaction is a cost-effective CaseGuard alternative for secure document redaction.
- [Foxit PDF Editor Alternative: Why PDF Redaction is Better](https://pdf-redaction.com/alternatives/foxit-editor/): Compare PDF Redaction vs Foxit PDF Editor. AI-powered redaction vs manual redaction features.
- [PDF Redaction Alternatives - Compare & Choose the Best Tool](https://pdf-redaction.com/alternatives/): Discover the best PDF redaction alternatives. Compare PDF Redaction with Adobe Acrobat, Foxit, Nitro Pro, CaseGuard, and more to find the right tool for your needs.
- [Nitro Redact Alternative: AI-Powered PDF Redaction](https://pdf-redaction.com/alternatives/nitro-pdf/): Compare PDF Redaction to Nitro Redact (Smart Redact): AI PII detection with no document caps, a genuine free tier, and pay-per-page pricing from $0.05/page.
- [Redactable Alternative: Why PDF Redaction is Better](https://pdf-redaction.com/alternatives/redactable/): Compare PDF Redaction vs Redactable. AI-powered redaction tools compared on features, pricing, and privacy.
- [Advanced Features for Business - PDF Redaction Tool](https://pdf-redaction.com/advanced-features/): Explore advanced features for businesses using the AI-powered PDF Redaction Tool, including custom redaction rules, REST API, on-premise deployment, and scalability with Apache Spark.
- [Manual Configuration - PDF Redaction Tool](https://pdf-redaction.com/manual-redaction/): A step-by-step guide to configuring manual redaction features of the AI-powered PDF Redaction tool, including customizing PII filters and editing AI-generated redactions.
- [Privacy Policy - PDF Redaction Tool](https://pdf-redaction.com/privacy/): Privacy Policy for PDF Redaction.
- [Terms of Service - PDF Redaction Tool](https://pdf-redaction.com/terms/): Terms of Service for PDF Redaction service.