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Compare two texts line by line and see what was added, removed or changed. Ignore case or extra whitespace, all processed in your browser.
Compare two texts and see exactly what changed.
Paste or upload text
Paste or upload text
Changes shown in one continuous view.
Differences will appear here
Add text to both sides to start comparing.
Find the differences between two versions of a document, code snippet, config file or paragraph. The checker highlights added and removed lines with line numbers and shows the exact characters that changed inside a modified line. You can ignore letter case or differences in whitespace. Nothing you paste is uploaded.
What you get with Text Diff Checker.
See added, removed and unchanged lines side by side, with line numbers.
Pinpoints the exact characters that changed inside each modified line.
Focus on meaningful changes by ignoring capitalisation or spacing.
Both texts are compared in your browser and are never uploaded.
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Common questions about Text Diff Checker.
It compares the two texts one line at a time and finds the longest matching sequence of lines. Lines that only appear in one text are marked as added or removed.
Green lines were added in the modified text. Red lines were removed from the original. Unchanged lines are shown without highlighting.
A diff treats a modified line as one removal plus one addition, so you can see the old and new version. Inside each line the exact changed characters are highlighted.
It treats runs of spaces, tabs and line-end differences as equal, so reformatted text is not reported as changed.
Each text can have up to 5,000 lines. Larger files are better compared with a desktop diff tool.
No. The comparison runs entirely in your browser, so the texts you paste are not uploaded or stored.
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