PrivConvert

PDF tool

Protect PDF

Encrypt a PDF with a password for open access.

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 100 MB max · 500 pages max
Upload a PDF fileResult: PDF file
  • Your PDF stays in this browser while the tool runs.
  • Encrypted or damaged PDFs may need to be unlocked or repaired before this tool can read them.
  • This tool preserves page artwork where possible, but it does not rewrite original PDF text like a word processor.
  • The output PDF requires the password to open.
  • Keep the password somewhere safe; this tool cannot recover it later.

Next tools

Keep working with this file

UnlockRemove PDF encryption with a valid password.MetadataRead, update, or clear common PDF metadata fields.CompressReduce PDF size by cleaning and repacking the document where possible.Add imagePlace a PNG or JPG image on top of one PDF page.

How it works

How to use Protect PDF online

  1. Choose the file or files requested by the tool.
  2. Adjust any available settings for the output you want.
  3. Run the tool in your browser and download the finished result.

Overview

Protect PDF for private browser work

Encrypt a PDF with a password for open access. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.

Input

Upload a PDF file

Output

PDF file

Limits

1 file · 100 MB max · 500 pages max

Best for

Protect PDF use cases

  • Turn upload a pdf file into pdf file without creating an account.
  • Run a quick protect pdf job before sharing, archiving, or publishing a file.
  • Check the 1 file · 100 mb max · 500 pages max guidance before using larger or unusual inputs.

Processing

What happens in your browser

PrivConvert uses PDF password protection for this workflow. 1 adjustable setting. This tool checks for wasm support before running

Your PDF stays in this browser while the tool runs.

Related tools

Unlock PDFPDF MetadataCompress PDFAdd Image to PDFAdd Image WatermarkAdd Page Numbers

FAQ

Protect PDF questions

Read privacy policy

Is Protect PDF free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.

Why might a file fail to process?

Your PDF stays in this browser while the tool runs.