document-diff

Open source side-by-side comparison tool for images, videos, audio, 3D models and documents. GPU-accelerated with 50+ analysis modes, 100+ transitions, and professional export options.

Local-first policy diff and breaking-change CI for PDF, DOCX, HTML, Markdown, and text—no uploads or LLM required.

Semantic PDF and DOCX diff CLI and GitHub Action for deterministic document regression testing in CI.

🔍 Compare two PDF files online free — text, visual, layout and page-by-page diff with highlighted added, removed and changed content. No Adobe, 100% in your browser.

Multi-format document comparison for DOC / DOCX / WPS / ET / XLS / XLSX / PDF — detects added, deleted, modified and moved content, with original-layout rendering, side-by-side PDF view and OCR for scans. 多格式文档比对助手：DOC / DOCX / WPS / ET / XLS / XLSX / PDF 同格式两两比对，自动识别新增、删除、修改、移动差异，支持 Word 原貌渲染、PDF 双栏对照与扫描件 OCR。

Track BSE-listed corporate filings — crawl, extract, classify, sectionize, and diff announcements. Pure Python + SQLite, zero external services.

Local MCP server for comparing Markdown, text, DOCX, PDF, PPTX, XLSX, EPUB documents - JSON diff, statistics, replacements, and find/replace via MarkItDown, Docling, or pandoc

Realtime document diff tool - runs in browser

Local-first Chinese policy research workbench — 条/款/项 structure parsing per 立法技术规范, deontic obligation tagging, renumber-aware version diff, thresholds & timelines, clause-cited review records, BYOK AI

A free, 100% private client-side PDF comparison and text conversion tool powered by WebAssembly. Spot differences and redline document changes directly in your browser.

🇬🇧 Local PDF text comparison tool in Python. No AI, no API, no file upload. 🇫🇷 Comparateur local de fichiers PDF en Python. Sans IA, sans API, sans envoi de fichiers.

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

業務帳票の PDF・画像を比較し、相違を「箇所」単位で報告する CLI ツール。