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Hi HN, I have been working on a set of PDF tools that does all the processing directly in the web browser. From time to time I needed to do some simple PDF manipulations like merging PDF files. Sometimes the files contain my personal data and I was not comfortable using other online services where the file usually is uploaded to a remote server. Behind the scenes there is a small library written in C++ doing the changes to the PDF files. I am using the Emscripten compiler to compile it to WebAssembly that is running in the browser. It was a very good learning for me and it was easier than I…
2023 · pdfux.com
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Free online tools for images, PDFs & more - 100% private
Feb 2026
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The privacy-first PDF toolkit that never uploads your files.
May 2026 · freepdfcombine.com
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Private PDF tools that work 100% offline in your browser
Jun 2026 · chromewebstore.google.com
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100% private, offline PDF tools right in your browser.
Jul 2026 · scanflow.devyrolabs.com
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Free private tools for PDF, images and data
Jul 2026 · private-tools.codegrain.dev
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Merge, split, and convert PDFs instantly,no account required
Feb 2026 · onedocfreepdf.com
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