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Products that do what PdfCompare does
100% private, client-side PDF comparison & document suite
- 1PF
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
- 2PDPDF Differ▲62
2023 · pdfdiffer.com
- 3RH
2018 · github.com
- 4OS
The PDF parser is a rule based parser which uses text co-ordinates (boundary box), graphics and font data. The PDF parser works off text layer and also offers a OCR option to automatically use OCR if there are scanned pages in your PDFs. The OCR feature is based off a modified version of tika which uses tesseract underneath. The PDF Parser offers the following features: * Sections and subsections along with their levels. * Paragraphs - combines lines. * Links between sections and paragraphs. * Tables along with the section the tables are found in. * Lists and nested lists. * Join content…
2024 · github.com
- 5PO
2017 · pdfotter.com
- 6

- 7EC
2011 · doccompare.com
- 8PA
2018 · github.com
- 9WA
2020 · 138.68.233.101
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- 15PTPdf.to▲42
2021 · pdf.to
- 16PP
PDFFiddler Playground is a free PDF playground for manipulating PDF, extracting data from PDF, form filling, archiving, merging grouping and many many more. It is powered through Domain-driven custom scripting language (equivalent to Javascript) which can be quickly written through powerful editor with intellisense support. It has dozens of ready made template to play with. Please check out below link https://playground.pdffiddler.com/?apps=true Few templates, quick links has been added below 1) Merging group of PDF -…
2020
- 17PA
2018 · parepdf.com
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- 19PM
I created this tool to make it quick and easy to sign PDF contracts, without having to deal with installing additional software and without worrying that my PDFs will get uploaded to a third party. It supports the bare minimum for my most common usecases. It is not intended to be a full-featured PDF editor. Features include filling PDF forms, inserting images and text, and rotating PDFs. Check it out by either picking a PDF of your own - https://photown.github.io/private-pdf/, or with a preloaded sample PDF -…
2023 · github.com
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- 23DB
I built a web-based document comparison tool where all file parsing and diffing happens entirely in the browser. The idea came from watching non-technical coworkers struggle to compare document versions — manually reading two files side by side or fighting with Word's Track Changes. Technical details: PDF parsing via pdf.js, DOCX via mammoth.js — all client-side Diff engine: Google's diff-match-patch Line, word, and character-level comparison Next.js 15 + TypeScript, deployed on Vercel No files ever leave the browser. No signup required. Site: https://diffnote.net Product Hunt:…
Feb 2026 · diffnote.net
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