PDF guides & know-how
Guides, tutorials and comparisons on private PDF
What a browser-based PDF tool really protects — memory, Web Workers, downloaded models — and what still travels over the network. The honest threat model, and how to verify it.
Put your PDF pages in the right order without reuploading, directly in your browser.
Change your PDF pages' orientation in a few clicks, without sending your files online.
Add your signature to a PDF without sending it online, local and confidential processing.
Protect your documents with a custom watermark, without upload, directly in your browser.
Extract pages from a PDF without uploading the file: precise selection, order preserved, all processing local. Free, no account.
Merge multiple PDFs directly in your browser without uploading anything. Free, no account, no quota — verify it yourself in the Network tab.
