Text Diff

About Text Diff

Comparing document versions manually is tedious and error-prone. Davirix Text Diff uses the same algorithm that powers Git (the Myers diff algorithm) to find the minimal set of changes between two texts. Additions are highlighted in green, deletions in red, and unchanged sections provide context. Line-by-line and word-by-word modes give you different levels of detail. The tool handles large texts efficiently — comparing two 10,000-line documents takes under a second. It's essential for editors reviewing revisions, developers comparing configs, and anyone tracking what changed between two versions of any text.

Key Features

• Line-by-line and word-by-word diff modes
• Color-coded additions (green) and deletions (red)
• Side-by-side or inline comparison views
• Handles large texts (10,000+ lines) efficiently
• Jump to next/previous change navigation
• Ignore whitespace and case options

How to Use Text Diff

1. 1

   Paste original text

   Enter the original version in the left panel.

2. 2

   Paste modified text

   Enter the updated version in the right panel.

3. 3

   Review changes

   See highlighted additions, deletions, and modifications. Switch between line and word diff modes.

Common Use Cases

• Review edits between two versions of a document
• Compare configuration files to find differences
• Track changes in legal contracts between revisions
• Find what changed between two API responses
• Verify that a text transformation preserved original content

Frequently Asked Questions

Can I compare files instead of pasting text?

Yes. Use the file upload buttons to load text files directly into each panel.

Does it handle very large texts?

Comfortably handles texts up to 50,000 lines. Performance depends on how different the texts are — more changes take slightly longer to compute.

Can I ignore whitespace differences?

Yes. Toggle 'Ignore whitespace' to focus on content changes and skip formatting differences.