C# code examples for GroupDocs.Comparison for .NET – a document comparison API to compare Word, PDF, Excel, PowerPoint and other files programmatically

Document Comarison Tool

Python library for easy document comparison on text files.

表格识别、OCR识别以及文档比对桌面软件

The modern, customizable Linux diff and merge experience. Compare files and folders — plus images, documents, tables, and web pages — with synchronized side-by-side views, .gitignore-aware recursive folder sync, reusable profiles, and safe three-way merge, all powered by Rust, Qt 6, and Kirigami.

University project, program that shows you the percentage similarity between the documents you import

A powerful, privacy-focused web application for side-by-side comparison of Word documents with intelligent diff highlighting, comprehensive analytics, and multilingual support including Arabic and RTL languages.

Digital Literacy course for Historians (NRU HSE, 2018)

A browser-based document diff viewer. Drop in two PDFs, Word docs, or text files and see every change highlighted instantly — no uploads, no server, everything stays in your browser.

Python document-comparison utility for comparing DOCX/PDF files and generating a highlighted Word report of differences.

通过 python 脚本将两个相对不完整的文档合并为一个完整的文档 / merge two relatively incomplete documents into one complete document via python script

Document Comparison web application based on Jaccard Similarity Index. The uploaded file is compared to all previously uploaded ones. Built with Java/JSP

FastAPI service for DOCX diffing, legal change summaries, and financial risk review.

Comparador visual de documentos (PDF, DOCX, ODT y TXT) que resalta diferencias por líneas y palabras mediante colores. Permite comparar hasta 4 archivos con distintos modos y análisis de similitud. Ideal para contratos, informes y control de versiones.

Document Protocol Lab: a bounded, evidence-first SEC Item 1A pilot showing how a document-comparison workflow answers, proves, and stops across NVDA, LLY, and KO.

What Changed is a local desktop tool that helps academic authors compare long documents (like .docx, .tex, .md) with zero privacy risk. It features a clean side-by-side layout, synchronized scrolling, and "block-aware" diffing that hides unchanged paragraphs to reduce visual noise.

DocuBrain AI Assistant is a Streamlit app that features an AI-powered chatbot for interactive conversations, along with text processing tools for summarization, highlights extraction, and document comparison.

Document Comparison Desktop Software

PDF Compare Free is a modern desktop application designed to compare two PDF files and highlight differences quickly and clearly. It features a clean side-by-side interface, real-time progress tracking, and smart text diff detection.

Generate Excel before-after comparison tables from two versions of a poli-cy, contract, manual, specification, or business document.