Compare Two Texts

Paste two versions of text side by side and instantly find added, removed, or changed words with the same full-page style structure as your random words generator.

Side-by-Side Diff Highlight Changes Instant Results Mobile Friendly

Editing: review changes fast | Legal: check wording updates | Academic: compare revisions | Teamwork: track shared edits

Compare Text Versions

Paste an original version and a revised version, then instantly view highlighted differences and a clean change summary.

Comparison Inputs

Text A (Original)

0 words · 0 characters

Text B (Revised)

0 words · 0 characters

Auto compare while typing Emphasize only changes

Difference Results

Unchanged

Added

Removed

Changed Pairs

Added in Text B

Removed from Text A

Changed word pair

Text A Markup

Paste text above and click compare.

Text B Markup

Paste text above and click compare.

Copy-ready summary

Unchanged: 0 | Added: 0 | Removed: 0 | Changed pairs: 0

How to Use the Text Difference Checker

Get side-by-side differences between two texts in three simple steps.

Paste Original Text

Paste your original version or draft in the Text A (Original) input editor box on the left.

Paste Revised Text

Paste the updated or revised version in the Text B (Revised) input editor box on the right.

Compare & Highlight

Watch as differences are highlighted in real-time, or click 'Compare' if auto-compare is off.

Review & Copy

Inspect the unchanged, added, removed, or changed word pairs, and copy the summary easily.

About This Compare Two Texts Tool

This free online text comparison tool helps you find the differences between two text blocks instantly. Paste an original version into Text A and a revised version into Text B, then compare them side by side.

The tool highlights additions, removals, and changed word pairs directly in your browser, making it useful for proofreading, editing, version review, and quality checks.

Popular Ways to Use It

Editing

Check exactly what changed in articles, reports, blog posts, and marketing drafts.

Legal Review

Spot wording updates in agreements, policies, clauses, and approval documents.

Education

Compare essay revisions, homework drafts, or teacher feedback versions quickly.

Team Collaboration

Review text edits from teammates or clients without reading both versions line by line.

Key Features

Side-by-side comparison: Review two texts in parallel.
Highlighted differences: Added, removed, and changed words are easy to spot.
Word and character stats: Quickly track content size in each text box.
Sample data button: Test the tool instantly with example content.
Quick summary copy: Copy a short diff summary in one click.
Privacy-first: The tool works locally in your browser.

Why Use Mero Tool Difference Checker?

Instant Real-time Diffing

See word-by-word highlights and metrics change instantly in real time as you paste or type.

100% Privacy Secure

Your texts are processed entirely inside your local web browser. No data ever reaches our servers.

Responsive UI Layout

Works beautifully across all devices, stacking fields cleanly for tablet and mobile screens.

Frequently Asked Questions

What kinds of text can I compare?

You can compare paragraphs, essays, contracts, messages, notes, product descriptions, code comments, and most other plain text content.

Does this tool compare word by word?

Yes. This version compares text at the word level, which makes it easier to spot wording changes inside paragraphs.

Will my text be uploaded anywhere?

No. The comparison logic runs in your browser, so your text stays on your device after the page is loaded.

Does it work on mobile devices?

Yes. The page is responsive and adapts for smaller screens by stacking the text panels and result sections.