Best Plagiarism Detection Products in 2025

Turnitin is preferred by educational institutions around the world for preventing plagiarism. Instructors at all levels of education can request that students use the service to submit papers, and Turnitin checks those papers for plagiarism.

Key Turnitin features:

Plagiarism Detection Feedback Tools Integration Originality Reports

Create ai humanized SEO content tailored for ecommerce and small businesses with HappySEO tools. From ai writer to keyword research and analyze tools.

Key happySEO features:

Humanize AI Writing AI SEO Keywords Local AI SEO SEO Tracking

Visit website freemium

PlagiarismSearch is online service that detects plagiarized content.

Key PlagiarismSearch features:

User-Friendly Interface Multiple File Formats Detailed Reports Real-Time Checking

freemium $7.95 / Monthly

The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.

Key Unicheck features:

Comprehensive Plagiarism Detection Seamless Integration User-Friendly Interface Real-Time Assistance

OriginalityReport.com: Smart AI & Plagiarism Detection Tool for Students, Educators, and Researchers.

Open Source freemium $22.95 / Monthly

Plagiarix is an AI-driven plagiarism detection platform designed for academic institutions and LMS integrators. Make plagiarism detection fast and accurate with our all-in-one customizable solution.

Key Plagiarix features:

AI Content Detector Internet Plagiarism Checker Batch Processing

paid Free Trial $550.0 / Monthly

We strive to provide the most effective, secure and user-friendly plagiarism checking tool that champions originality: a privacy focused, effective and user-friendly plagiarism detector that merges innovative technology with user needs.

Key Plagiarism Checker X features:

Deep Search Plagiarism Detection Bulk Comparison Online Plagiarism Checking Side by Side Difference

freemium $39.95 / One-off (Professional: 1 user license with unlimited scanning)

Free plagiarism checker to compare two texts side by side, highlight similarities, and detect duplicate content.

free

Protect your reputation and improve your content quality by accurately detecting duplicate content and artificially generated text with the most accurate AI detection tool on the market.

Key Originality.AI features:

AI Detection Plagiarism Readability Chrome Extension

paid $0.01 / One-off (100 words)

PlagiarismCheck.org is a modern checker plagiarism and an accurate AI checker, that improves writing skills and saves teachers' time.

Key PlagiarismCheck features:

Accuracy User-friendly Interface Comprehensive Source Database Detailed Reports

freemium $1.0 / Annually (An annual subscription per user starts at)

Copyleaks, where technology meets integrity.

Key Copyleaks features:

Accuracy Comprehensive Reporting Multilingual Support Integration Capabilities

freemium $7.99 / Monthly (Starting price for plagiarism checker.)

Scribbr is an online proofreading and editing service used for the academic activities of the students.

Key Scribbr features:

Professional Editing Experienced Editors Plagiarism Checker User-friendly Platform

Text compare! is a online diff tool that allows you to easily spot the differences between to texts.

Key Text compare! features:

Simple Interface Quick Comparison No Registration Required Cross-Platform

We've helped more than 5 million students, teachers, and professionals identify potential plagiarism in their work.

Key Quetext features:

Accuracy User-Friendly Interface DeepSearch Technology Free Tier Available