Compare two text blocks and instantly spot added, removed and changed lines. 100% free, private, and processed entirely in your browser.
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LINES ADDED
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LINES REMOVED
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UNCHANGED LINES
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How to Compare Two Texts
1
Paste Original Text
Paste your original version of the text in the first box.
2
Paste Changed Text
Paste the updated or modified version in the second box.
3
Compare & Review
Click Compare Texts to see added, removed and unchanged lines highlighted.
Why Use Our Text Diff Checker
🔍 Line-by-Line DiffPrecisely identifies every added or removed line.
🔒 100% PrivateYour text never leaves your device.
🎨 Color HighlightingAdded lines in green, removed lines in red.
🆓 Completely FreeNo signup, no limits, no ads.
🔤 Ignore Case OptionCompare text while ignoring letter casing.
📊 Live StatsSee counts of added, removed and unchanged lines.
Frequently Asked Questions
Is this Text Diff Checker free to use? ▾
Yes, this tool is 100% free with no signup required.
Is my text stored anywhere? ▾
No. All comparisons happen locally in your browser and your text is never sent to a server.
How does the diff checker work? ▾
It compares both texts line-by-line and highlights lines that were added, removed or changed between the two versions.
Can I ignore case differences? ▾
Yes, you can toggle case-insensitive comparison to ignore uppercase and lowercase differences.