What is Redaction Software & the Top Picks to Keep Your Documents Secure

When sharing sensitive documents, you need to remove personal information such as Social Security numbers, bank details, and confidential business data. If left in place, this information can reach the wrong hands and lead to identity theft and, ultimately, legal consequences.

Redaction software helps you avoid this issue by permanently removing sensitive content. It is especially important for legal professionals who handle court filings and for healthcare providers who manage patient records.

However, not all the tools can truly redact and protect your documents. This article shares three reliable options available. Read to the end to find the best tool for your needs.

Part 1. What is Redaction Software and Why Do You Need It?

Redaction software is any tool that permanently removes sensitive information from documents, images, and other files before you share or publish them. Unlike simple redaction methods, which place a black box or highlight over text to hide it, true redaction removes the data completely from the document’s internal structure, so it can never be retrieved.

Who Needs a Redaction Software?

Redaction software is commonly required in the following industries.

• Legal: Redaction helps lawyers remove confidential details, such as client communications or case notes.
• Healthcare: It can be used to mask patient names or medical record numbers to meet HIPAA privacy laws.
• Finance: Redaction can be applied to account numbers and financial identifiers to hide them in reports sent to clients.
• Business: Redaction can delete trade secrets and pricing details from contracts before sharing with outside parties.
• Government: It helps remove classified information before the documents are released to the public.

How to Choose the Best Redaction Software

When choosing redaction software, look for these key features.

• Permanent data removal: It should fully delete the original data, not just cover it with highlights.
• Search and redact: This can help you find and remove repeating names, words, or phrases in one go.
• Pattern recognition: This helps you mask Social Security numbers, phone numbers, and email addresses.
• Batch processing: It should be able to handle multiple documents at once, so you can manage your workload more easily.
• Audit trails and compliance: This allows you to keep a record of what was removed and when, for legal and regulatory needs.

Part 2. Best Redaction Software Options to Try

After careful research, I’ve selected the following redaction software options based on their features, ease of use, cost, and how well they suit different workflow needs.

Let’s review these one by one.

1. UPDF (Recommended)

UPDF is a comprehensive AI-driven PDF editor for Windows, Mac, Android, and iOS devices. It offers an advanced redaction tool that permanently deletes the sensitive content from the PDF so it can never be recovered.

You can redact in many ways, too, such as marking specific keywords or semantic synonyms for automatic redaction throughout the document. You can also manually mark text, images, or entire pages. Moreover, you have the flexibility to customize how the redacted areas should appear.

Key Features for Redaction:

• Mark for Redaction: You can highlight specific text or draw areas over images or blocks of text for redaction.

• Redact Pages: You can remove an entire page's content and even redact multiple pages at once.

• (Semantic) Search and Redact: This allows you to find and redact all mentions of a specific keyword in the document. Or, you can use AI search to identify and redact content by meaning.

• Redaction Codes: You can add exemption codes or reason labels to provide context for the redacted areas.

Also read: How to Perform PII Redaction in PDFs Using Code & Redaction Software

• Customize Redaction Style: Adjust the color, opacity, and overlay text of redaction marks to meet specific formatting requirements.

• Permanent Removal: The content cannot be recovered through copy, search, or metadata extraction.
• Apply or Remove Redactions: You can preview the results and add or remove redactions before applying them permanently.

• Additional benefits: UPDF also allows you to deeply analyze documents with AI, access UPDF across all platforms, and sync your files seamlessly with the built-in cloud storage.

Pricing:

You can use UDPF across all devices using one license with the following plans:

UPDF Pro: $49.99/year, $79.99/lifetime

AI Assistant: $79/year

Best for:

Everyday users, professionals, and businesses who need a full-featured redaction workflow without paying an exhaustive price.

2. Adobe Acrobat Pro

Adobe Acrobat is a widely trusted PDF editing software available across Windows and Mac platforms. With its built-in redaction tool, you can permanently redact specific words, patterns, text, images, and entire pages in your documents.

Key Features for Redaction:

• Search and redact specific words, numbers, and patterns.
• Redact text, images, areas, or entire pages.
• Customize redaction marks, color, and replacement text.
• Preview all redactions before finalizing permanent removal.
• Apply the same redaction mark to identical positions on multiple pages.

Pricing:

Free trial.

Acrobat Pro: $19.99/mo, $239.88/yr

Best for:

Large organizations that can afford comprehensive redaction software at an expensive subscription.

3. Smallpdf (Online Free Option)

Smallpdf  is an online PDF platform that allows you to redact PDF documents directly in your browser. So, you don’t need to install additional software. To redact PDFs, you can manually draw redaction over areas you want to protect or select text to mark for redaction.

Key Features for Redaction:

• Access the redaction tool from any browser on any device
• Draw over sections of the document to black out PDF content.
• Select and remove specific words or lines of visible text.
• Accessible on desktop and mobile browsers

Pricing:

Free with limited use.

Pro: $12.00/month

Best for:

Quickly redacting a document without installing dedicated software.

As you can see, among all the tools covered, UPDF offers the best balance of powerful redaction features, ease of use, and affordability. If you want to learn how to use it, below, you'll see it in practice.

Part 3. How to Redact a PDF with UPDF (Step-by-Step Guide)

UPDF offers many ways to redact sensitive information in documents. Here I’ll show you the steps for its Search & Redact feature. Just make sure to download and install it on your desktop, so you can follow along.

Here are the steps.

Step 1. Launch UPDF and click “Open File” to import the PDF you want to work with.

Step 2. Once your document opens, click “Tools” from the top and select “Redact.”

Step 3. The redaction tool will open. From here, use the panel on the right to adjust the fill color of the redacted area, add overlay text, set content (such as exemption codes), and modify the redaction mark’s border color, fill color, and opacity.

Step 4. Click the “Search & Redact” option in the top toolbar. A panel will appear on the left. In the search box, enter the words you want to find. Then click “Send.”

Step 5. You can also use the “AI Search” option at the top of the panel. Type your keywords in the search box. The AI will find both exact matches and related terms.

Step 6. From the results list, select the items you want to remove permanently. Then click on “Redact” at the bottom.

Part 4. FAQs

Conclusion

Redaction software helps you protect your client’s information and stay compliant with the HIPAA privacy laws. Based on your needs, you can work with any of the tools covered in this article.

However, if you want a complete redaction toolset without paying the high cost of programs like Adobe Acrobat, UPDF is the best solution. It offers the same redaction tools for protecting PDF files, but at a much lower price. You can also get started for free. Download and try it now.