Text Diff Tool

Compare two blocks of text and highlight the differences between them.

Text A (Original)

Text B (Modified)

Differences

Enter text in both fields and click "Compare Texts" to see differences.

About Text Diff Comparison

How the Diff Tool Works

  • Line by Line: Compares entire lines of text against each other
  • Word by Word: Compares individual words rather than full lines
  • Character by Character: Shows exact character differences
  • Added content is highlighted in green
  • Removed content is highlighted in red

Common Use Cases

  • Comparing code versions or snippets
  • Checking for changes in legal documents
  • Identifying differences between text versions
  • Finding subtle changes in configuration files
  • Reviewing edits in collaborative documents

Frequently Asked Questions

What types of text differences can this tool detect?

The tool can detect additions, deletions, and modifications between two text blocks. It shows added content in green, deleted content in red, and highlights changed sections with appropriate color coding for easy visual identification.

What comparison modes are available?

The tool offers three comparison modes: Line-by-line (compares entire lines), Word-by-word (compares individual words), and Character-by-character (compares each character). Choose the mode that best suits your comparison needs.

How does the line-by-line comparison work?

Line-by-line mode treats each line as a unit and compares them sequentially. It's ideal for comparing documents, code files, or any structured text where line breaks are meaningful. Changes within a line will highlight the entire line as modified.

When should I use word-by-word comparison?

Word-by-word mode is perfect for comparing paragraphs, sentences, or continuous text where you want to see exactly which words were changed, added, or removed. It's especially useful for document editing and proofreading tasks.

What is character-by-character comparison good for?

Character-by-character mode provides the most granular comparison, showing every single character difference. It's useful for comparing code, data strings, or when you need to see very precise changes like spelling corrections or punctuation modifications.

Can I ignore whitespace differences?

Yes, the tool includes options to ignore different types of whitespace differences. You can choose to ignore leading/trailing spaces, normalize spacing, or treat all whitespace as equivalent to focus on content changes rather than formatting.

Does the tool show a side-by-side comparison?

Yes, the tool displays both text blocks side by side with synchronized scrolling, making it easy to see corresponding sections. Changes are highlighted with colors and visual indicators to clearly show what's different between the two versions.

Can I compare very large text documents?

The tool can handle moderately large texts efficiently in your browser. For very large documents (hundreds of pages), consider breaking them into smaller sections for better performance and more manageable comparison results.

How are case differences handled?

By default, the tool is case-sensitive, so "Hello" and "hello" would be considered different. You can enable case-insensitive comparison mode to ignore capitalization differences and focus on other content changes.

Can I export or save the comparison results?

You can copy the highlighted comparison results from the output area. The visual formatting shows additions, deletions, and changes clearly. For permanent storage, copy the results to a document or text editor.

What file formats can I compare?

This is a text-based comparison tool, so it works with plain text content. You can paste text from any source - documents, code files, emails, web pages, or any other text format. Binary files are not supported.

How accurate is the difference detection?

The tool uses proven diff algorithms to accurately identify differences. The accuracy depends on the comparison mode chosen - character-level provides the most precise results, while line-level gives broader context. The algorithms are the same used in professional development tools.

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