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.

diff json-diff haversine text-diff object-diff array-diff code-diff string-diff list-diff geo-diff stream-diff

• Updated Oct 26, 2026
• TypeScript

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

react ui high-performance react-component code-review virtualized diff-viewer virtuoso code-diff react-diff-viewer

• Updated Apr 28, 2026
• TypeScript

An IntelliJ IDEA plugin that detects refactorings in Git commits

refactorings jetbrains-plugin intellijidea-plugin code-diff refactoringminer smart-diff

• Updated Jan 3, 2024
• Java

a git diff vue component

vue code-diff

• Updated Jan 3, 2023
• Vue

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

react formatter html-parser developer-tools code-tools diff-viewer web-tools vite html-formatter html-tools code-diff

• Updated Nov 1, 2026
• JavaScript

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

ast abstract-syntax-tree differencing code-diff code-analysis-tool

• Updated Sep 19, 2025
• Jupyter Notebook

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.

javascript css html real-time frontend tool scrolling diff-match-patch code-analyzer code-diff

• Updated Dec 7, 2025
• JavaScript

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

python sql-server dependency-analysis code-analysis database-migrations vba tsql microsoft-access code-diff ms-access-vba

• Updated Jul 15, 2026
• Python

react 的代码差异查看组件，支持本地与 github 两种方法实现

react javascript diff diff2html code-diff

• Updated Jan 17, 2023
• JavaScript

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

git diff patch lcs diff-viewer php-diff code-diff patch-diff php-patch

• Updated Sep 27, 2026
• PHP

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.

chrome-extension developer-tools json-diff text-diff frontend-tools diff-viewer privacy-first code-diff offline-tool

• Updated Jul 1, 2026
• JavaScript

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

reactjs tailwindcss code-diff

• Updated Mar 10, 2026
• TypeScript

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

javascript open-source ui utilities frontend file-upload vanilla-javascript developer-tools web-tool git-diff word-diff text-diff text-comparison browser-based diff-tool jsdiff code-diff patch-diff line-diff char-diff

• Updated May 16, 2026
• JavaScript

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.

cordis code-diff deepseek-harness dsh-plugin

• Updated Sep 30, 2026
• JavaScript

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

open-source diff svelte self-hosted side-by-side text-diff bun diff-tool tailwindcss text-compare code-diff sveltekit

• Updated Jun 19, 2026
• Svelte

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

diff text-diff diff-viewer file-comparison diff-tool privacy-first code-comparison json-diff-checker developer-tool code-diff privacy-tool

• Updated Mar 6, 2026

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

plugin obsidian code-diff

• Updated Sep 12, 2026
• TypeScript

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

rust makefile ide agents git-gui code-diff inbuilt-git

• Updated Oct 20, 2026
• Rust

VS Code extension that compares clipboard contents as the "after" and active file as the "before" opposite of built-in functionality. Designed for clean diffs from LLM edits and patch reviews.

diff clipboard code-review vscode-extension code-diff

• Updated Apr 28, 2025
• JavaScript

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

react javascript github-pages diff frontend static-site developer-tools text-comparison diff-viewer file-comparison vite code-diff

• Updated Apr 18, 2026
• CSS