DiffLab

A simple text diff comparison tool built with Next.js and TypeScript. Compare text with side-by-side and inline views, with options to ignore whitespace and case sensitivity.

Features

• Side-by-side diff view - Compare texts in parallel columns
• Inline diff view - View changes in a unified format
• Whitespace handling - Option to ignore or respect whitespace
• Case sensitivity - Toggle case-sensitive comparisons (inline mode)
• Dark/light theme - Automatic theme switching support

Getting Started

npm install
npm run dev

Open http://localhost:3000 to use the diff tool.

Tech Stack

• Next.js 15 with App Router
• React 19
• TypeScript
• Tailwind CSS
• diff library for text comparison

Credits

Created by Samyam Lamichhane