Is my text uploaded anywhere?

No — similarity analysis runs entirely in your browser. Both texts stay on your device.

How does browser-side plagiarism detection work?

This tool compares two texts you provide — it measures word overlap, phrase matching, and structural similarity using Jaccard similarity and n-gram analysis.

Can it detect plagiarism against the internet?

No — this is a privacy-first local comparison tool. It compares two texts you paste yourself. For internet-wide checks, you would need a server-side service.

What similarity score means plagiarism?

Above 30% similarity warrants review. Above 60% suggests significant overlap. 0–10% is typically considered original.

What is n-gram analysis?

N-grams are sequences of consecutive words. Matching 3+ consecutive words (trigrams) is a strong indicator of copied content.

Does it work for code plagiarism?

Yes — paste two code snippets to compare structural and token-level similarity.

Plagiarism Checker

Compare two texts for similarity — 100% browser-based, no upload

Original Text0 words

Compare Text0 words

Compares two texts locally — no internet check, no data uploaded

How It Works

Paste Text

Paste or type the text you want to check

Analyze

Analysis runs locally — text never leaves your device

Review & Fix

Apply fixes or use the insights directly

Why EaseToolz?

🔒 Files stay on your device — 100% private

⚡ Instant results — no waiting

🆓 Completely free — no hidden fees

📵 No signup — no account needed

🚫 No watermark — clean output every time

📱 Works on any device including mobile

Compare two texts for similarity and detect potential plagiarism entirely in your browser. EaseToolz's Plagiarism Checker uses Jaccard similarity and n-gram analysis to measure how much two documents overlap. Paste your original text and the comparison text — the tool highlights matching phrases, calculates an overall similarity percentage, and identifies duplicate sentences. This is a privacy-first tool: no text is ever uploaded to any server, and all analysis happens locally in your browser using JavaScript. Perfect for teachers checking student submissions, writers verifying their originality, researchers comparing sources, and developers checking for code duplication. The color-coded similarity report makes it easy to spot problematic sections at a glance. Remember: this tool compares two texts you provide — for internet-wide plagiarism detection, a server-side service with web crawling is required.