code-diff

Superdiff provides a rich and readable diff for arrays, objects, code, text and coordinates. It supports stream and file inputs for handling large datasets efficiently, is battle-tested, has zero dependencies, and offers top-tier performance.

High-performance React virtualized diff viewer for large code / text comparison

An IntelliJ IDEA plugin that detects refactorings in Git commits

a git diff vue component

Modern React and Vite toolkit for stripping HTML, encoding and decoding entities, formatting HTML, and comparing code with a built-in diff viewer.

SoliDiffy: AST-Based Code Differencing Tool for Solidity Smart Contracts

Real-Time Code Diff Analyzer: A stable web tool using diff-match-patch for dynamic code comparison. It features a large, fixed input area, synchronized scrolling, accurate status bar reporting (Line/Col), and visual navigation with distinct red (removed), green (added), and purple (active) highlighting. Perfect for reviewing code changes quickly.

Python tool for VBA/T-SQL code diff, database object dependency analysis and controlled code migration between Microsoft Access and SQL Server databases

react 的代码差异查看组件，支持本地与 github 两种方法实现

Generate, render and apply code diffs. Myers algorithm, versatile rendering (HTML, JSON, ANSI), and full patching support.

A modern, real-time, and interactive code comparison tool

DiffBoard is a privacy-first Chrome extension that lets developers compare code, JSON, and text side-by-side with clear visual diffs, offline support, and a modern dark/light UI — all directly in the browser.

A lightweight web-based text diff viewer built with jsdiff, supporting character, word, line, and patch diffs with file upload support.

Cline-style follow-along for DeepSeek Harness: open the file the agent just changed in the right Sidebar, jump to the change, and highlight the diff.

Side-by-side text & code diff in the browser — syntax highlighting, word/char diff, export, themes. Self-hostable & open source (AGPL-3.0).

Diff Guru - Privacy-first online diff tool. Compare text, code, JSON, PDFs, images, and files directly in your browser. No uploads. No server processing.

Render code diffs embedded in the middle of your notes, from pasted patches or from a Git repository.

The ever-fastest IDE, which runs smoother on any old hardware with a vintage vibe and new fetures !!

Client-side code & text diff tool paste or upload files, compare with syntax-aware highlighting.

Free online diff checker & text compare tool. 100% private — runs entirely in your browser.