Text Diff Checker — Compare Two Texts

Overview

Compare two texts or code snippets side by side. Highlights changes instantly, offline, no permissions required.

Text Diff Checker is a lightweight, offline tool for comparing two pieces of text or code side by side. It instantly highlights the differences — showing which lines were added, removed, or changed — in a clean, retro-terminal-style interface. Paste two blocks of text, click Compare, and the tool will display a clear diff view using color-coded highlights: Red (-) for deleted or modified lines Green (+) for newly added lines You can swap, clear, or copy results with a single click. Everything happens locally in your browser — no internet connection, no file uploads, and no third-party access. Key features Instantly compare two texts or code snippets. Highlight added and removed lines in real time. Copy or clear results with one click. Simple, fast, privacy-first design. Works fully offline and requires no setup. Privacy & safety No network access, no external API calls. 100% local processing within the popup. No data tracking, storage, or analytics. CSP-compliant and MV3-ready. Perfect for developers, writers, or anyone who frequently reviews text changes and needs a quick, offline diff tool right inside Chrome.

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Details

Version
1.0.0
Updated
October 26, 2025
Flag concern
Offered by
nguyenthianhthu29042019
Size
10.41KiB
Languages
English
Developer
Anh Thu
253 Điện Biên Phủ Phường Võ Thị Sáu Quận 3, Thành phố Hồ Chí Minh 700000 VN
Email
nguyenthianhthu29042019@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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