Password protect PDF
Free, no account. Your PDF is encrypted in your browser, never uploaded, and the password is never stored.
Paperwork in, notes outThe PDFs you keep are easier to use once what's inside them sits with your notes. Open BrainDump free
How to password protect a PDF
- 1
Drop your PDF
It opens in your browser, nothing is uploaded.
- 2
Choose a password
Type it twice. Block printing, copying or editing too if you need to.
- 3
Download
Save the protected copy. It asks for the password every time it opens.
Paperwork in, notes out
The PDFs you keep are easier to use once what's inside them sits with your notes.
PDF to text
Pull the text out of any PDF, with its headings and bold, and save it as a note.
Extract text from a PDFAsk your own notes
Ask a question and BrainDump answers from what you've saved, with sources. AI features are part of Focus.
See how Ask worksIn any browser
Folders, tags and search, synced to your iPhone, iPad and Mac.
Open it in the browser
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FAQ
The PDF is encrypted with AES-256, the strongest standard PDF encryption, supported by Acrobat, Preview and every modern PDF reader. A long password matters more than anything else.
No. Nothing is stored, not the file and not the password, so nobody can recover it. Keep it in a password manager or somewhere safe.
Most PDF readers respect them, but they're a request rather than hard protection, and some tools ignore them. The password to open the file is the real protection.
