HDA Tools

Text Diff

Compare differences between two texts with highlighted additions, deletions, and modifications.

Text Diff - Original Text

Basic Options

Advanced Options

0
Deletions
0
Additions
0
Modifications
100%
Similarity
No diff to show

Text Diff Tool Guide

Text Diff is a free online tool that quickly compares differences between two texts. Supports various comparison options including ignoring whitespace, ignoring case, ignoring line endings, showing context, word-level diff, highlighting changes, etc. Real-time comparison with instant results. Supports side-by-side comparison and unified comparison views to clearly display additions, deletions, and modifications. All processing is done locally in your browser, text is never uploaded to the server, fully protecting your privacy and data security.

Multiple comparison options for flexible configuration
100% local processing, privacy and security
Real-time comparison with instant feedback

Tool Features

Comprehensive Comparison Options

Supports various comparison options that can be flexibly configured according to needs. Basic options: ignore whitespace (ignore whitespace differences during comparison), ignore case (case-insensitive comparison), ignore line endings (ignore line ending differences). Advanced options: show context (show context content around differences), word-level diff (compare differences word-by-word instead of line-by-line), highlight changes (highlight additions, deletions, and modifications). All options take effect in real-time, results update immediately after changes.

Dual View Comparison Display

Provides side-by-side comparison and unified comparison view modes. Side-by-side view: displays original text and modified text side-by-side, with differences highlighted in different colors. Unified comparison view: marks additions, deletions, and modifications in a single text, with additions shown in green background, deletions in red background, modifications in yellow background. View switching updates in real-time, allowing users to choose appropriate viewing mode based on needs.

Detailed Statistics and Convenient Operations

Provides detailed statistics including original text character count, modified text character count, difference count, added character count, deleted character count, modified character count, etc. Statistics are displayed in colorful cards for clarity and intuitiveness. Provides one-click copy function to quickly copy comparison results or difference statistics. Provides clear function to quickly reset input and output areas. All operations are done locally in the browser, protecting privacy.

How to Use

  1. 1

    Enter Original Text and Modified Text

    Enter or paste the original text and modified text respectively in the input areas. Two input boxes are displayed side-by-side for easy simultaneous viewing. Text comparison is automatically triggered after input, no button clicking required.

  2. 2

    Configure Comparison Options

    Select the options you need in the comparison options area. Basic options include: ignore whitespace, ignore case, ignore line endings. Advanced options include: show context, word-level diff, highlight changes. After selecting options, comparison results will be updated immediately.

  3. 3

    View Comparison Results and Statistics

    After comparison is complete, you can view side-by-side comparison view or unified comparison view to understand text differences. You can view statistics cards to understand added, deleted, and modified character counts. You can click the "Copy" button to copy comparison results or statistics, or click the "Clear" button to clear input content.

Frequently Asked Questions

What comparison options are supported?
The tool supports 6 comparison options: basic options (ignore whitespace, ignore case, ignore line endings) and advanced options (show context, word-level diff, highlight changes). All options can be flexibly combined, and you can select multiple options to apply simultaneously as needed.
Will my text be uploaded to the server?
No, all processing is done in your browser. Your text content never leaves your device, fully protecting your privacy.
What's the difference between side-by-side comparison and unified comparison?
Side-by-side comparison view: displays original text and modified text side-by-side, with differences highlighted in different colors, suitable for viewing complete comparison of two texts. Unified comparison view: marks additions, deletions, and modifications in a single text, with additions in green background, deletions in red background, modifications in yellow background, suitable for quickly viewing text changes.

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