TxtCmp: Instant, Private Text and File Comparison

TxtCmp is a powerful, privacy-first text comparison tool designed for developers, writers, and anyone who needs to quickly compare files or text content. Built entirely in the browser, it ensures complete data privacy by processing all comparisons locally with no file uploads or server storage. Ideal for comparing code, configuration files, documents, and web content, TxtCmp supports syntax highlighting for over 20 programming languages and formats, including JavaScript, Python, JSON, and Markdown. With features like split and unified views, case and whitespace ignore options, and export capabilities in Markdown, HTML, and text formats, it offers a fast, efficient, and secure way to analyze differences. The tool is free to use, works offline after initial load, and supports unlimited file sizes—though very large files may take longer to process.

Key Features:

• Client-Side Processing: All comparisons happen in your browser—no data is uploaded or stored.
• Privacy-First: 100% private; files never leave your device.
• Syntax Highlighting: Supports a wide range of languages including JavaScript, Python, JSON, YAML, HTML, CSS, and more.
• Flexible Comparison: Compare files via upload, drag-and-drop, or paste text.
• View Modes: Split and Unified views with color-coded differences.
• Advanced Options: Ignore case and whitespace, search, change filtering, and keyboard shortcuts.
• Customization: Adjustable font size (10px–24px) and line wrapping.
• Export Capabilities: Save results as Markdown, HTML, or downloadable text files.
• No File Size Limits: Handles large files with minimal performance impact.
• Offline Functionality: Works offline after initial page load.
• Cross-Browser Compatibility: Works on Chrome, Firefox, Safari, Edge, Opera, and Brave.

Pricing: TxtCmp is completely free to use with no paid tiers or subscription models.

Conclusion: TxtCmp stands out as a fast, secure, and feature-rich solution for text comparison, making it an essential tool for developers, technical writers, and anyone who values privacy and efficiency in their workflow.