DailyDone

Protect PDF

Runs on our servers

Password-protect a PDF with strong AES-256 encryption, so only people with the password can open it. Set your password and download the protected copy in seconds.

Secure uploadDeleted right afterFree
Choose a PDF to protectDrag & drop or browsePDF files · up to 50 MBSent securely to our server to add the password, then removed. Sign-in required.

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DailyDone PDF

Prefer to work offline? Get DailyDone PDF for desktop

Every tool here, native on your computer. Your files never leave your device.

Download for Windows

How it works

  1. 1Choose your PDF and set an open password.
  2. 2It is sent securely to our server, encrypted with AES-256, then removed.
  3. 3Download the protected PDF. Only people with the password can open it.

Best for

  • Locking a payslip or statement before emailing it.
  • Keeping a sensitive document private.
  • Sharing a file only certain people should open.

Frequently asked questions

How do I password-protect a PDF?
Upload the PDF, set a password, and DailyDone returns a copy encrypted so it can only be opened with that password.
What encryption is used to protect the PDF?
The PDF is encrypted with strong AES encryption, the standard supported by Adobe Acrobat and every major PDF reader.
Can I remove the password later?
Yes. Use the Unlock PDF tool with the password to produce an unprotected copy whenever you need one.

Related tools

Unlock PDFRemove a password or restrictions.Redact PDFBlack out sensitive text for good.Watermark PDFStamp text across every page.

Guides

How to remove a password from a PDF without uploading itRemove a known password from your PDF privately, without sending the file to a server. Works in your browser and in the DailyDone desktop app, fully offline.How to redact sensitive information from a PDFPermanently black out account numbers, ID numbers and personal details in a PDF before you share it, so the hidden text cannot be copied back out.How to remove hidden data from a PDF before sharingPDFs carry hidden metadata like author name, software and timestamps. Strip it before you send a document so you are not sharing more than you intend.