Plagiarism Checker
Free Online Plagiarism Checker | 100% Accurate
Scan your text against 10B+ web pages and academic papers. Get your plagiarism report in seconds - free, fast, and accurate.
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Used by Students & Writers Around the World
Trusted by Students, Educators and Professionals Worldwide
Join more than 3 million+ users who check their essays, research papers, and articles for plagiarism with Phrasly. It’s free, instant, and accurate.
- Writers checking for plagiarism
- 3,000,000+
- Documents scanned
- 5,000,000+
- Sources indexed
- 10B+
Join more than 3 million+ who rely on Phrasly to make their writing clear, engaging, and authentically human.
Why Use Phrasly's Free Plagiarism Checker?
Everything you need to ensure your content is original and properly cited. From essays and research papers to blog posts and web content.
AI Plagiarism Detection
Detect copied, paraphrased, and restructured content using AI that scans beyond simple text matching. Catches mosaic plagiarism other tools miss.
Source Matching
See exactly where your text matches existing sources, with direct URLs and similarity percentages for every flagged passage.
Built-In AI Content Detector
Check if your text is AI-generated alongside your plagiarism scan. One tool, both checks. No need for a separate AI detector.
Detailed Plagiarism Report
Get your similarity score, highlighted matches, and a source-by-source breakdown. Download the report for your records.
Scan Full Papers
Check essays, dissertations, research papers, and articles without any word count restrictions. No limits, no paywalls.
Multi-Language Support
Check plagiarism across multiple languages and international academic sources for comprehensive global coverage.
How to Check for Plagiarism
Our free plagiarism checker process is simple, fast and accurate. Paste, scan, review, and fix. Get results within seconds.
Upload or Paste Your Text
Paste your content directly into the checker or upload a document. We support all major file formats including PDF, DOCX, and TXT files.
AI Scans for Plagiarism
Phrasly scans your text against 10B+ web pages, academic papers, and research databases to find matching content.
Get Your Plagiarism Report
Receive your similarity score with matched sources, direct links, and highlighted passages, all in one report.
Review and Fix
Use the flagged sources to revise, cite properly, and ensure originality. Download your report before submitting.
See Your Plagiarism Report in Action
Here's what you get when you check your text with Phrasly.
Eight tools. One platform.
Citations Generator
Coming SoonPlagiarism Checker
Frequently Asked Questions
Is Phrasly's plagiarism checker really free?
Yes. Paste your text or upload a file and get results instantly. No credit card, no signup, no word limit.
How does a plagiarism checker work?
It compares your text against billions of existing web pages, academic papers, and published works. Matching or similar passages are flagged with links to the original sources.
Can it detect AI-generated content too?
Yes. Phrasly includes a built-in AI content detector alongside the plagiarism scanner. It identifies text from ChatGPT, Claude, Gemini, and other AI tools.
What file formats can I upload?
PDF, DOCX, and TXT. You can also paste text directly into the checker.
Is my text stored or shared?
No. Your documents are never stored, indexed, or shared. Content is deleted immediately after scanning.
What's the difference between plagiarism checker and AI detection?
Plagiarism detection finds matching text in existing sources. AI detection analyzes writing patterns to determine if text was machine-generated. Phrasly does both.
Can I check my paper before submitting to Turnitin?
Absolutely. Running your paper through Phrasly first helps you catch and fix issues before your school's official check.
Does Phrasly support multiple languages?
Yes. Our plagiarism checker scans international sources across multiple languages for global coverage.
How accurate is Phrasly's plagiarism checker?
Phrasly uses AI-powered analysis to scan against 10B+ web pages and academic databases, catching direct copying, paraphrasing, and mosaic plagiarism.
How is Phrasly different from Grammarly or Turnitin?
Grammarly's plagiarism checker requires a Premium subscription. Turnitin is only available through institutions. Phrasly is free, easy to use, and includes AI detection built-in.
Try Phrasly for free today
Join 3,000,000+ students and writers who use Phrasly's AI content tools to write faster and more efficiently.