Protect PDF
Add an open-password protection layer to your PDF locally in browser.
Drag & drop your files here, or click to browse
.PDFMax file size: 20MB per job
How your files are handled
This supported tool runs in your browser memory.
Processing stops when you close or refresh the tab. The output file is generated locally for download.
Best for private documents, contracts, IDs, forms, scans and internal PDFs.
Reading files...
Please do not close this window while we compile your files.
Success! Your file is converted.
Your document has been compiled and is ready for download.
How to use in 3 steps
- 1
Select the PDF file you want to password protect.
- 2
Type your strong open-document password.
- 3
Download your password-protected PDF file and verify it opens as expected.
Supported formats
Fully supports formats: PDF.
💡 Tips to avoid font corruption
Always use standard Unicode fonts like Times New Roman, Arial, or Calibri. If using custom fonts, embed them in your document before saving.
Common errors & solutions
Please remove password protection from the file before uploading so the system can read and convert it.
Make sure your file opens correctly on your device before uploading.