Text Compare Tool
Paste two versions, upload text files, and instantly see line numbers, changed lines, and character-level differences.
Original text
100 chars · 5 lines
Changed text
98 chars · 4 lines
Unchanged
3
Added
0
Removed
1
Modified
1
Visible rows
5
Side-by-side comparison
Green marks additions, red marks removals, and amber marks modified lines with character-level highlights.
Original text
Diff resultChanged text
Diff resultIncluded features
Line numbers are visible inside both paste editors and the final diff view.
Modified lines show the exact changed characters inside the line.
The main tool loads before the long SEO description so users can start immediately.
All comparison work runs in the browser and supports text-based file uploads.
Compare text online with line and character highlighting
This text compare tool helps you check two versions of text side by side. It shows line numbers, unchanged lines, added lines, removed lines, modified lines, and the exact characters that changed inside each modified line.
What can this text compare tool do?
Paste text directly, upload text-based files, ignore whitespace, ignore case, swap original and changed text, copy the summary, and download a plain-text comparison report. The comparison runs in your browser, so it is fast for everyday text, code, CSV, log, and document revision checks.
Common use cases
- Compare two drafts before publishing content.
- Check code, JSON, XML, YAML, CSV, or log changes.
- Review configuration updates before deployment.
- Find small spelling, punctuation, or character changes.
- Download a simple report for sharing or record keeping.
How to use
- 1. Paste the original text on the left or upload a text file.
- 2. Paste the changed text on the right or upload another text file.
- 3. Review highlighted line and character differences instantly.
- 4. Use ignore whitespace or ignore case if formatting/case should not count.
- 5. Copy the summary or download the comparison report.
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