Text Comparison & Diff Checker

Q: What do the green and red highlights mean?

Green highlights indicate added text, while red highlights indicate removed text.

Q: Can I ignore capitalization and extra spaces?

Yes. You can choose Ignore Letter Case or Ignore Extra Spaces when those differences are not relevant.

What Is the ToolStack Text Comparison & Why Is It Useful?

The ToolStack Text Comparison makes it easier to find changes between two versions of text. Instead of checking two drafts line by line, you can place them side by side and quickly see what was added, removed, or changed.

The ToolStack Text Comparison makes it easier to find changes between two versions of text. Instead of checking two drafts line by line, you can place them side by side and quickly see what was added, removed, or changed.

It is useful when reviewing content revisions, checking client edits, comparing previous and updated website copy, or making sure important changes were applied before publishing.

Whether you're working with marketing copy, documents, or everyday text, the tool gives you a clear view of what changed so you can review revisions with less manual effort.

How to Use the Text Comparison Tool

Add Both Versions

Paste the original text into Draft A and the updated version into Draft B. You can also use the built-in sample comparison to see how the tool works.

Review the Highlights

Check the comparison results to see the differences between both drafts. Green highlights show added text, while red highlights show removed text, making changes easier to spot.

Adjust the Comparison

Use Ignore Letter Case or Ignore Extra Spaces when those differences are not important. Swap the drafts when needed and review the final comparison before making your decision.

Key Features & Capabilities

Side-by-Side Draft Review

Keep the original and revised versions visible together, making it easier to follow changes across headlines, sentences, paragraphs, and longer drafts.

Clear Visual Difference Tracking

Added and removed text is visually highlighted, so you can quickly identify wording changes, missing content, replacements, and other revisions.

Similarity & Flexible Comparison

Get a quick similarity percentage and difference count while controlling whether capitalization and extra spaces should affect the comparison.

When Is Text Comparison Useful?

Text comparison can be helpful whenever you need to verify what changed between two versions.

Use Case	What to Look For
Content Revisions	Catch accidental omissions, rewritten sections, or unwanted changes
Client Edits	Verify that requested changes were actually applied
Website Updates	Check whether important page copy or messaging was removed or replaced
Ad Copy	Spot changes to headlines, offers, calls to action, or campaign messaging
SEO Content	Track changes to keywords, titles, descriptions, and important page copy
Proofreading	Find small wording changes that are easy to miss during a manual review
Document Updates	Identify additions, removals, and replaced sections between versions
AI-Generated Content	Review how an original draft changed after editing or refinement

Frequently Asked Questions

The comparison highlights changes directly within the text, making added and removed wording easy to identify.

Yes. You can paste both versions directly into the tool and compare them without needing to save the text as a separate document.

Green highlights indicate added text, while red highlights indicate removed text.

Yes. You can choose Ignore Letter Case or Ignore Extra Spaces when those differences are not relevant.

It provides a quick indication of how closely the two versions match, while the difference count shows how many changes were detected.