Black out sensitive information so it can never be recovered, lock files with encryption, and protect your files entirely offline — built for confidential contracts and high-stakes documents.
Permanently redact, encrypt, restrict, and flatten your PDFs every confidentiality scenario covered, all offline.
Black out names, figures, and clauses and actually delete the underlying text so it can never be copied, searched, or recovered.
How to Redact PDF →Lock files with bank-grade encryption and an open password, so only authorized people can open your documents.
How to Encrypt PDF →Lock your PDF's structure so it cannot be edited no password needed for readers to open and view the document.
Protect Without Password →Every redaction and encryption runs locally on your device. Your confidential files are never uploaded to any server.
Why Offline Matters →
100% offline after download no uploads, no internet connection needed.
Drag and drop the confidential PDF into PDF Agile. Works with native and scanned documents, no file size limit.
Use the Redact tool to select the text, names, or image regions you want to permanently remove.
Applying deletes the underlying content not just covers it so nothing can be recovered, searched, or copied.
Optionally add encryption, then save as a new secured copy. Your original stays untouched.
Windows · No Registration · No Credit Card
Wherever documents carry confidential data, permanent redaction and encryption keep it protected.
Redact client names, settlement figures, and privileged clauses from contracts and court filings before disclosure.
Black out account numbers and balances, then encrypt statements with bank-grade encryption before sharing with third parties.
Remove patient identifiers from medical records to meet privacy obligations, with no data ever leaving your device.
Redact classified or personal details from documents released under freedom-of-information requests.
Protect artwork by preventing wording extraction in shared proofs.
Redact salaries and personal identifiers from HR documents, then lock the file before internal distribution.
True offline redaction permanently deletes content — the only safe option for confidential files.
| Feature | PDF Agile (Offline) | Online Tools |
|---|---|---|
| Redacted text truly unrecoverable | Permanently Deleted | Still Hidden Underneath |
| Files uploaded to cloud server | Never 100% Local | Often Uploaded |
| Strong encryption | Full Support | Varies by Tool |
| Works without internet | Fully Offline | Requires Connection |
From permanent redaction to password-free editing locks — protect your documents with offline tools.
How to lock a PDF permanently with encryption and permission restrictions — offline, no subscription.
Read Guide →Password-protect PDFs, restrict editing, and lock documents — all offline, no cloud upload required.
Explore Tools →A black box doesn't delete the text underneath. Learn true redaction — permanent, unrecoverable, and completely offline.
Read Guide →Rated 4.7/5 by verified buyers see all reviews on G2 →
"PDF Agile is the most fully-featured PDF editing and creation tool you will find and at a price that puts everything else on the market to shame! It includes powerful security features, advanced OCR, converters for almost any document type, and an intuitive UI that is free of clutter and confusion."
"The interface is easy to follow and lightweight. Also I like the option of perpetual license. Most of our office personnel are basic functions of Adobe DC and PDF Agile offers a cheaper alternative."
"I like the UI of the software. The UI is brighter than the others. All features are arranged in such a way that every user picks it up at once without confusion. The OCR and form feature is just unbelievable."
Common questions about permanently redacting and encrypting PDF files.
Permanently redact sensitive text, encrypt with bank-grade encryption, and stop copying all offline. Your data never leaves your device.