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Lock PDF

Protect PDFs with a password directly in your browser.

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Merge PDFs

Combine unlimited PDF files into one document. 100% Client-side processing.

Compress PDF

Reduce PDF file size with adjustable quality settings.

Manage PDF Pages

Reorder, rotate, or delete PDF pages before exporting.

PDF Text Extractor

Extract all text from a PDF file in seconds.

PDF Page Numbers

Add page numbers to every page of your PDF.

PDF Watermark

Add text or logo watermarks to your PDF pages.

Password protect a PDF

Lock PDFs with a password to restrict viewing or editing.

Why it works

  • Set open password
  • Fast local encryption
  • No server uploads

How to use

  1. Upload a PDF.
  2. Set a password.
  3. Download the locked file.

FAQ

Can I remove the password later?

Yes, use the unlock tool.

Are files uploaded?

No, everything runs locally.

Is it free?

Yes, free to use.