PlagTracker
by Plag Tracker
Free online plagiarism checker with paraphrase and AI detection
Overview
PlagTracker is an online plagiarism detection service that scans submitted text against a large index of web pages and academic papers to flag potentially copied content. Matched passages are highlighted with links back to source sites, and the tool also detects paraphrased text and AI-generated writing. Users can paste text or upload PDFs, run grammar checks, and access an API for integrating scans into their own apps. Free tier available with a faster premium plan.
Key Features
6 capabilities across the Plagiarism Checker workflow.
Web & Academic Scan
Compares submissions against billions of indexed web pages and academic publications.
Highlighted Matches
Plagiarized portions appear in red with clickable links revealing the matching source URLs.
Paraphrase Detection
Catches rephrased and lightly modified versions of existing content beyond literal copy-paste.
AI Content Detection
Recognizes text generated by AI tools to support academic integrity in the LLM era.
PDF Upload
Upload PDF documents directly without copying and pasting large amounts of text.
API Access
Integrate plagiarism scanning into your own website or app through the PlagTracker API.
Pricing Plans
All prices in INR. Contact vendor for enterprise & annual discounts.
Free
flat · billed monthly
- Basic plagiarism check
- Web scanning
- No download required
Premium
flat · custom billing
- Faster scans
- Document upload
- Editing assistance

