Compare Tools
Paste two multi-line texts and find Only in A, Only in B and Common lines instantly. Everything runs locally in your browser.
Tip: Each line is treated as one item. Empty lines are ignored. Comparison is case-sensitive; use the toggle below to ignore case if needed.
How to use
- Step 1: Paste your first list/text in Text A and second in Text B.
- Step 2: (Optional) Turn on Ignore case, Trim spaces or Sort sections for better matching.
- Step 3: Click Compare. The results display three sections: Only in A, Only in B, Common lines.
- Step 4: Use Copy or Download to save your compare output.
Why use this tool?
Our text compare tool is designed for anyone who needs to quickly find differences and similarities between large or complex text blocks. This includes email marketers comparing mailing lists, writers checking revisions, programmers reviewing code changes, or researchers analyzing documents. Unlike manual review, our tool automates line-by-line checking with lightning-fast client-side performance, so your data never leaves your device.
The tool highlights unique lines in each text and common lines between them, ensuring you can pinpoint exactly what’s changed, added, or removed. This feature can save hours by streamlining proofreading, quality control workflows, and data validation tasks.
Features & Benefits
- 100% client-side processing ensures your data privacy—no text is uploaded to any server.
- Instant line-by-line comparison with unique, common, and missing line categories.
- Options to ignore case, trim whitespace, and sort sections for flexible matching.
- Easy controls to swap inputs, clear fields, copy results, and download outputs.
- Works on all device sizes and browsers, no installation required.
FAQs (Frequently Asked Questions)
Q: Does it keep the original order?
A: Results are grouped by section. Use “Sort sections” to alphabetize each group.
Q: How does it handle duplicate lines?
A: Duplicates within each input are automatically removed prior to comparison.
Q: Is the comparison case-sensitive?
A: By default yes, but you can ignore case using the toggle checkbox.