6 min read
2026-01-26
Diff Checker is a tool for comparing two texts or files with highlighting the differences. It shows added, deleted and modified rows.
| Mode | Description |
|---|---|
| Line by line | Comparing entire strings |
| Character-by-character | Highlighting changes within rows |
| Side by Side | Two texts next to each other |
| Unified | One text with notes |
Green - added lines
Red - deleted lines
Yellow - changed fragments inside the line
Paste the original text into the left margin
Paste the modified text into the right field
Click "Compare"
Explore the highlighted differences
###Settings
Ignore spaces
Ignoring case
Ignore empty lines
Select output format
The tool supports comparison of any text formats: code, configurations, documents, SQL queries.
See also: JSON Formatter, SQL Formatter, JS Beautifier