How to use Lock PDF
Choose the supported file or files, set the available processing options, run Lock PDF, then verify the result before downloading it.
What the tool does
Upload a PDF to your ToolTapGo server, add password protection with QPDF and verify the secured download with the exact password.
Supported inputs
The PDF file or files requested by the page, together with the page, ordering, rotation, annotation or export options shown for this operation.
Actual output
A processed file or preview that should be checked before the downloaded result replaces the source.
Privacy and processing
The page identifies whether the document is processed locally; sensitive documents should always be checked before use.
Limitations
This no-API implementation requires the free qpdf command-line program on the hosting server. Shared hosting may not provide it.
Common mistakes
Keep the original PDF, confirm page ranges and ordering, and open the exported document before deleting or replacing the source.
Frequently asked questions
What can I use Lock PDF for?
Upload a PDF to your ToolTapGo server, add password protection with QPDF and verify the secured download with the exact password.
What input does Lock PDF accept?
The PDF file or files requested by the page, together with the page, ordering, rotation, annotation or export options shown for this operation.
What should I check after using Lock PDF?
This no-API implementation requires the free qpdf command-line program on the hosting server. Shared hosting may not provide it.
Related tasks and guides
- PDF Editor — Edit, annotate, sign, merge and organise PDFs in one focused browser workspace.
- Merge PDF — Combine multiple PDF files in the right order and download one merged document.
- PDF Reader — Open and read PDF files with page thumbnails, zoom, rotation and text search.
- Images to PDF — Combine several photos or images into one ordered PDF document.