TenderPDF

Free PDF tool

Protect PDF

Add a password to your PDF before sending private, business, or tender documents.

Free tool
Guests can use this tool. Log in to save processed files to your dashboard history.
Upload limit

Up to 100 MB per file. File and page counts depend on the selected tool and are shown before processing.

Private processing

Temporary uploads and guest outputs are scheduled for deletion within two hours. Account-history outputs remain until deleted by the user.

Enforced allowance

Free: 3 uses daily. Pro: 100 daily. Business: 500 shared daily uses for up to five users.

Relevant guide
How to protect a PDF with a password

Complete this task in three steps

  1. 1UploadChoose supported files or drag and drop them into the upload area.
  2. 2ReviewCheck previews and adjust the options available for this workflow.
  3. 3DownloadProcess the task, review the result, then download or continue to another tool.

Protect PDF for PDFs, tenders, and business files

Add password protection to PDF files before sharing private, confidential, or sensitive business documents.

Use Protect PDF for pricing documents, internal reports, contract drafts, personal records, and sensitive attachments.

How to use Protect PDF online

  1. 1Upload the PDF you want to protect.
  2. 2Enter a strong password.
  3. 3Create the protected PDF.
  4. 4Download and store the password safely.

Common ways to use Protect PDF

Protect confidential pricing

Secure sensitive attachments

Share private records more carefully

Related PDF tools

Unlock PDFWatermark PDFSign PDFCompress PDFEdit PDF

Frequently asked questions

Should I use a strong password?

Yes. Use a password that is difficult to guess and store it securely.

Can TenderPDF recover a forgotten PDF password?

No. Keep your password safe because protected files may not be recoverable without it.

When should I protect a PDF?

Protect PDFs when they contain pricing, personal information, contracts, or private business records.