Free Plagiarism Checker
Compare two texts for similarity using Jaccard analysis, or check a single text for internal phrase repetition. Honest browser-based analysis.
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📝 Plagiarism Checker
ℹ️ What this tool genuinely does: Compares two texts using Jaccard similarity on word n-grams and detects internally repeated phrases. What it cannot do: Search the web for copied content — true web plagiarism checking requires a server-side API with internet access.
Frequently Asked Questions
This tool performs internal text analysis for repetition patterns. For checking against web sources, a plagiarism API integration is recommended (available in our Pro version).
Academic work typically requires below 15% similarity. Blog content aims for 0%. Marketing copy often has some repetition by nature.