Plagiarism Checker

Check for plagiarism before your professor does.

Scan your essay against 100M+ sources. Get a similarity score with exact source matches and highlighted passages. Fix issues before you submit.

4.8/5 Trustpilot
3,500+ universities
99.2% accuracy

Trusted by students at 3,500+ universities

Harvard
MIT
Oxford
Stanford
Yale
Princeton
UCLA
Cornell
Johns Hopkins
Northwestern
Penn State
UNC Chapel Hill
Indiana University
University of Florida
Pepperdine
Delaware State

How it works

Three steps. Full plagiarism report.

Step 1

Paste your text

Drop in your essay or assignment. We handle up to 15,000 words per check.

Step 2

We scan all sources

Our engine compares your text against academic databases, journals, websites, and published papers.

Step 3

Review matches

See a similarity score with highlighted passages and direct links to matching sources.

Why ClearScript?

Deep web comparison

Cross-references your text against 100M+ academic papers, journals, and web pages. If it's been published, we'll find it.

100M+ sources

Multi-language support

Works across English, French, Spanish, Portuguese, and Italian. Catches cross-language paraphrasing too.

5 languages

Source-level report

See exactly which sources match, with direct links and match percentages. Perfect for citation cleanup.

Detailed

Questions about plagiarism checking

Check your text before you submit.

ClearScript scans your text in 10 seconds. Try it for $2.

Check your text now

$2 trial. Cancel anytime.