PDF Secure

PDF Secure

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Logo of PDF Secure

PDF Secure: The Privacy-First Way to Lock Your Documents

Secure or unlock any PDF instantly on your device. 100% free, no ads, and no data collection—just simple, cross-platform protection for professionals.

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Publisher

iSolid SPRL

Category

Utilities

Downloads

1K+

User Rating

4.9/5

Total Ratings

900

Locales

1

Security at a Glance

Discover the interface used by 1K+ users.

iPhone screen displaying a password entry prompt to protect a PDF file in the PDF Secure app

iPhone screen displaying a password entry prompt to protect a PDF file in the PDF Secure app

PDF Secure app interface showing a password protection screen with a privacy matters slogan

PDF Secure app interface showing a password protection screen with a privacy matters slogan

PDF Secure app export menu showing options to share password protected documents across all platforms

PDF Secure app export menu showing options to share password protected documents across all platforms

iPhone screenshot of the PDF Secure app interface showing options to select and password protect a PDF document

iPhone screenshot of the PDF Secure app interface showing options to select and password protect a PDF document

Powerful Security Made Simple

The tools that make this app stand out, trusted by 1K+ users.

🛡️

100% On-Device Privacy

Your files never leave your device. All encryption happens locally, ensuring your sensitive data is never exposed to 3rd-party servers or cloud risks.

🚫

Zero Fees, Zero Distractions

Break free from subscription fatigue. Enjoy a professional tool that is completely free to use, with no hidden in-app purchases or intrusive advertisements.

🌐

Universal Compatibility

Secure your documents with industry-standard passwords that work seamlessly across Windows, Mac, and Android. Perfect for professional document sharing.

About the app

Everything you need to know about PDF Secure.

Description

Protect your PDF documents with a password. The PDF won't open without the password. It works on any platform. PDF Secure also allows you to completely remove the password protection of a document. Using PDF Secure is very simple: • Select a PDF document from your files • Choose a password (ideally strong) and do not forget it • Export anywhere (Files app, any cloud drive, E-mail, AirDrop, Messages, ...) → The password will now be requested at any attempt to open the PDF (on all platforms) PDF Secure is compatible with the dark mode. And it's 100% free (no in-app purchases, no ads). NO DATA COLLECTION. Everything happens on device. Your privacy matters. Enjoy!

Latest Version

1.3

Size

0.8 MB

First Released

May 28, 2020

Secure Your Sensitive Documents Today

Join thousands of privacy-conscious professionals. 100% free, zero ads, and no data collection—just powerful, on-device encryption you can trust.

Download on App Store

App information, icons, screenshots, and descriptions displayed on this page are sourced from the Apple App Store and are the property of their respective developers. Download estimates and rankings are based on MWM's proprietary models and may not reflect actual figures. This page is provided for informational and analytical purposes only.

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