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Free Duplicate Content Checker — Compare Two Texts

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Ubify Intelligence Team

EDITORIAL TEAM

~1 min read

~160 words

VERIFIED JUNE 2026

About This Tool

The Duplicate Content Checker compares two text blocks and highlights similar or identical sentences, showing a similarity percentage between them. Use it to check whether reused content could be considered duplicate by Google, or to compare a draft against published content. Free, no account, runs in browser.

How to Use

1
Paste your first text block in the left panel.
2
Paste your second text block in the right panel.
3
The similarity score and highlighted matching passages appear instantly.

Frequently Asked Questions

What percentage of duplicate content will get you penalized by Google?

There is no exact threshold. Google filters duplicate content — it chooses one version to index. Only exact duplication across sites at scale typically triggers action.

Can this tool check for plagiarism across the web?

No. It compares the two texts you paste. It does not search the internet for copies of your content.

Is this duplicate content checker free?

Yes. Completely free with no account required.