Advanced Text Diff & Merge

Compare text and code with line, word, and character-level differences. Visually merge files and resolve conflicts with our advanced three-way merge tool.

Text Comparison Tool

Compare and merge text with professional-grade features

Original Text

Changed Text

Comparison Results

Enter text in both panes and click "Compare" to see the differences

A Developer's Guide to the Advanced Text Diff & Merge Tool

Whether you're a developer comparing code, a writer reviewing edits, or a student checking changes in an essay, you need a powerful tool to see exactly what has changed between two versions of a text. The Advanced Text Diff & Merge tool is a professional-grade online utility designed to do just that, offering precise comparison and merging capabilities.

This free tool allows you to compare text and code with Line, Word, and Character-level differences. It also features an advanced Three-Way Merge mode to help you visually resolve conflicts between different file versions.

Key Features for Precise Comparison and Merging

This tool is packed with features designed for accuracy and convenience, especially for technical users.

  • Multiple Comparison Modes: The tool offers two primary functions: a Side-by-Side Diff to compare two texts and a Three-Way Merge to combine three versions.
  • Granular Diff Levels: You can analyze differences at multiple levels of detail. Choose between Line, Word, or Character comparison to pinpoint changes exactly how you need to see them.
  • Developer-Focused Options: The tool is built with developers in mind. It includes optional syntax highlighting for a wide range of languages and an option to ignore whitespace changes.
  • Three-Way Merge: This advanced feature is perfect for resolving version control conflicts. It allows you to compare a base version against two different modified versions and helps you create a final, merged result.

How to Use the Text Comparison Tool

1. Performing a Side-by-Side Diff

This is the most common use case for comparing two pieces of text. Ensure you are in the "Side-by-Side Diff" mode. Paste your two texts into the "Original Text" and "Changed Text" panes. Select your desired comparison level (Line, Word, or Character) and click the "Compare" button.

2. Using the Three-Way Merge

This mode is ideal for developers. Switch to the "Three-Way Merge" mode. Paste your three versions of the text into the "Base (Original)", "Mine (Your Version)", and "Theirs (Other Version)" panes. The "Merged Result" pane will show you a combined version of the texts.

Frequently Asked Questions (FAQ)

Q: Can I see the difference between two files word by word?

A: Yes. After pasting your text, you can click the "Word" button in the "Comparison Mode" options to see a word-level comparison.

Q: Does this tool work for programming code?

A: Yes, it is designed for code. It features syntax highlighting for dozens of languages and an option to ignore whitespace, which is very useful for comparing code files.

Q: What is a three-way merge?

A: A three-way merge is a method of combining changes from two different versions of a file that both started from the same original (or "base") version. This tool helps you see the changes from both "your" version and "their" version and combine them into a final result.

Q: Can I compare text from Microsoft Word or Google Docs?

A: Yes. To do this, simply copy the text from your Word or Google document and paste it directly into the comparison panes in the tool.