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Copyleaks — AI for Education & E-learning

Check for plagiarism and AI-generated text in your documents. Get a probability score for content originality.

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Free plan verified · free AI tools for Educators
6.6 Zekai
Dual-purpose checker
AI for Education & E-learning
Ease of Use
8.2
Accuracy
6.2
Value
6.2
Time Saving
5.8
AI DetectorPlagiarism CheckerAPI AccessLMS IntegrationCode Checker
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Zekai Verdict

What is it?
Copyleaks is a tool designed to detect plagiarism and text that may have been generated by AI.
Best for
Education and Publishing
Price
Free plan
Zekai Score
6.6/10
Hand-scored by Zekai

Top AI for Education & E-learning picks

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⚡ Quick answer

Copyleaks is an online tool that helps you check for plagiarism and estimate if text was written by an AI. You submit your content, and it provides a report highlighting similarities to other sources and a probability score for AI generation.

📖 About Copyleaks

Copyleaks is a tool designed to detect plagiarism and text that may have been generated by AI. You can submit text, files, or URLs to get a report that highlights potential issues and gives a probability score for AI content.

How It Works

Your workflow, automated

1
Submit Your Content
Paste your text directly, upload a file (like a DOCX or PDF), or enter a URL to be scanned.
2
Run the Scan
Initiate the scan for both plagiarism and AI-generated content. The tool compares your text against its databases and AI models.
3
Review the Report
Analyze the detailed report, which highlights suspected sections and provides an overall probability score for AI content.
Ready to automate your workflow with Copyleaks?
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Real Impact

Before & After

❌ Before

Unsure if content is original or AI-generated.

Manual Spot-Checks
✅ After

Get a probability score for AI and plagiarism.

Comprehensive Report
AI Prompts

Prompts for Educators

Prompt 01 Lesson Activity Generation Prompt
[[Paste your voice-to-text notes from Step 1 here]]
Prompt 02 NGSS-Aligned Lesson Plan Prompt
Act as a middle school science curriculum developer. **Task:** Generate a 5E lesson plan for a 7th-grade science class on photosynthesis. The lesson should be aligned with NGSS standard MS-LS1-6. The class has 50 minutes and access to 1-to-…
Prompt 03 Prompt to Ask for Sources
Please provide the sources for the information you just gave me. List at least three specific, publicly accessible URLs.
See all 35 AI prompts for Educators →
Social Proof

Trusted by professionals

Ease of Use
8.2
Accuracy
6.2
Value
6.2
Time Saving
5.8
Connects With

Copyleaks integrations

• Moodle • Canvas • Blackboard • Microsoft Word • Google Docs • Google Chrome Extension
Setup complexity: Easy
Copyleaks is a tool designed to detect plagiarism and text that may have been generated by AI. You can submit text, files, or URLs to get a report that highlights potential issues and gives a probability score for AI content.
The decision

Is Copyleaks worth it?

Built for
Educators, students, content creators, publishers, SEO specialists, developers
Effort to adopt
Easy
Who It's For

Why Education & E-learning choose this tool

🎯
Built for
Education and Publishing
In-Depth Overview
Copyleaks helps you verify the originality of a piece of writing by checking it against two distinct threats to integrity: traditional plagiarism and AI-generated text. When you submit content, the system scans it and compares it against a vast database of internet pages, academic papers, and internal archives to find copied passages. Simultaneously, a separate model analyzes the text's characteristics—like word choice, sentence structure, and predictability—to calculate the probability that it was written by an AI like GPT-4. The result is a single, unified report that highlights problematic sections. For potential plagiarism, it shows you the original source. For AI content, it provides a percentage score indicating the likelihood of machine generation. This dual-check approach is useful for educators needing to confirm student originality, publishers verifying author submissions, or businesses ensuring their web content is human-written for SEO purposes. By providing specific, color-coded evidence in a shareable format, it gives you a basis for making informed decisions about content integrity.

Key Use Cases

🎯
University Lecturer
📋
✓ Pros
• Combines AI detection and traditional plagiarism checking in one tool.
• Provides specific model detection (e.g., GPT-3.5, GPT-4).
• Offers an API for integrating checks into your own applications.
• Supports scanning of source code, not just prose.
• Generates shareable reports that are easy to interpret.
· Cons
• AI detection is probabilistic and can produce false positives on human writing.
• False positives are more common for people writing in a second language.
• A detection score should never be used as the sole proof of misconduct.
• The credit-based pricing system can be confusing to estimate costs.
⚡ Editorial Verdict

Copyleaks provides a detailed analysis for both plagiarism and AI-generated text, making it a useful tool for academic and content integrity. However, AI detection is based on probability, not certainty. False positives on human writing are possible, especially for non-native English speakers, so a score should never be the only reason for an accusation.

Questions & Answers

Frequently asked questions

Can Copyleaks detect which specific AI model was used?

+
Yes, the detector attempts to identify the specific AI model used, such as GPT-3.5, GPT-4, or other large language models, and includes this information in its report.

Last reviewed:

Plans & Pricing

Copyleaks pricing and plans

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

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AI Directory

About Copyleaks

Full Description

Copyleaks is a tool designed to detect plagiarism and text that may have been generated by AI. You can submit text, files, or URLs to get a report that highlights potential issues and gives a probability score for AI content.

Editorial Verdict

Copyleaks provides a detailed analysis for both plagiarism and AI-generated text, making it a useful tool for academic and content integrity. However, AI detection is based on probability, not certainty. False positives on human writing are possible, especially for non-native English speakers, so a score should never be the only reason for an accusation.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to Copyleaks unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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