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Security

Encrypt, decrypt, protect & manage PDF security

Select a tool below. Every tool runs locally in your browser and is free to use.

🔒 Security · Total 8 tools

Decrypt PDFDecrypt encrypted PDF with password — remove restrictions. Encrypt PDFEncrypt PDF with AES — set permissions for print/copy/modify. Password Protect PDFAdd password protection to PDF — set user password locally. Protect PDFEncrypt PDF with password — set owner & user passwords, restrict printing/copying. Redact PDFRedact sensitive text in PDF — black out and remove content permanently. Remove PDF PasswordRemove password and restrictions from PDF instantly. Remove PDF RestrictionsRemove printing/copying restrictions — local re-save. Unlock PDFRemove password from protected PDF — decrypt with correct password in browser.

FAQ

What is the Security category?

The Security category includes 8 free online tools for common needs. All run locally in your browser - no sign-up or install required.

Are these tools free?

Yes, all tools are free with no usage limits.

Do I need to register?

No. Open a page and use it right away - your data stays in your browser.

Which languages are supported?

This site supports 12 languages: Chinese, English, Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, Indonesian and Hindi.