password protect PDF online
PDF Forge uses qpdf WebAssembly to create password-protected PDFs. The workflow applies 256-bit encryption and keeps the input document in the browser.
How to use PDF Forge
- Open the related PDF tool.
- Select your document and choose the required settings.
- Process the document in the browser and download the result.
Important quality notes
Results depend on the source document. Digitally generated PDFs generally convert more accurately than scans, photographed pages or documents with unusual fonts and complex positioning. Review the output before submitting or publishing it.