Building PDF tools that never upload your file: pdf-lib, pdf.js and qpdf in WebAssembly

Most "free PDF tools" upload your file to a server, process it there and send it back. For a bank statement or a CNIC scan that is a lot of trust to hand a site you found a minute ago. I wanted merge, split, compress and unlock to work with no upload at all, so I built them to run entirely in the browser. This post is what that took, and where it... Weiterlesen: Building PDF tools that never upload your file: pdf-lib, pdf.js and q…