PasswordRemover Learn
Understand document passwords before you remove them
Clear, practical guides to encryption, permissions, and choosing the right protection for PDF and Office files.
Tutorial
How to Remove a Password from a PDF
A private, step-by-step guide to unlocking a password-protected PDF when you know its password. Works locally in your browser, with no uploads, no registration, and no software installs required.
Tutorial
How to Remove a Password from Excel
Unlock XLS and XLSX files safely in your browser without sending them to any server. Covers open passwords, workbook structure protection, and worksheet protection, with local processing throughout.
Tutorial
How to Remove a Password from a Word Document
Remove open password protection from DOC and DOCX files locally, without third-party uploads. Learn browser-based, Microsoft Word, and Google Docs methods, and how to verify the unlocked copy safely.
Guide
How to Protect an Excel File with a Password
Choose the right Excel protection method, set a strong password, and avoid common mistakes. Compare open passwords, workbook structure protection, and worksheet protection with best practices.
Explainer
What Is a PDF Owner Password?
Learn how PDF owner passwords control printing, copying, editing, and form filling without encrypting content, how they differ from user passwords, and when it is appropriate to remove restrictions.
Explainer
What Is a PDF User Password?
Understand the open password that encrypts a PDF and how it differs from an owner password. Covers AES-128 and AES-256 encryption strength, how both passwords interact, and stronger password tips.
Deep dive
PDF Encryption Explained
A technical but practical overview of RC4, AES-128, AES-256, PDF permissions, and compatibility. Learn how PDF encryption evolved, what the permission bits mean, and how to choose strong protection.
Explainer
How to Remove a Password from a ZIP File
Understand ZIP encryption methods and how to extract password-protected archives you own. Compare ZipCrypto with AES-256 encryption and learn extraction steps in 7-Zip, macOS Finder, and the command line.