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Text Compare

Diff two texts and highlight added or removed lines

Free to use
No account required
Text stays in your browser

Original

Modified

—

Diff appears here after you enter text.

Your text is processed locally in your browser.

What you can do

Side-by-side line diff
Highlights added and removed lines
Useful for drafts, lists, and configs
No account and no upload

How it works

Paste text A and text B
Left and right stay in your browser. Nothing is sent for comparison.
Scan added and removed lines
Highlights show what appeared, disappeared, or stayed the same.
Copy the version you want
Keep either side, or jump to Find and Replace to apply a fix.

Common uses

Compare two draft revisions before merge
Spot missing lines in a checklist or CSV
Diff config snippets without a git client

Frequently asked questions

Is this a character-level diff?: The v1 checker focuses on line-level added and removed rows, which is ideal for lists, paragraphs, and config files.
Are the two texts uploaded?: No. Both sides are compared locally in your browser.
Can I compare ignoring extra spaces?: Clean each side with Remove Extra Spaces first if whitespace noise is hiding real changes.

Related tools

Find and Replace
Text Sorter
Remove Duplicate Lines