Copyleaks
Copyleaks is a content integrity platform that detects plagiarism and AI-generated text across multiple languages, with integrations into APIs, LMS, and browser tools to ensure originality and compliance.
Pricing Model: Free + Paid
Category: Ai Detection & Plagiarism Checkers
https://copyleaks.com/
Release Date: 12/01/2023
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Copyleaks Features:

  • High-accuracy AI content detection (claiming >99%)

  • Plagiarism detection across web sources and user content

  • Multi-language support (30+ languages)

  • Browser extension for in-page detection (Chrome/Edge)

  • Google Docs add-on for in-document scanning

  • LMS integrations (Canvas, Moodle, Blackboard, etc.)

  • API access for developers and platforms

  • Text moderation and content risk flagging

  • AI source matching and phrase highlighting

  • Code / source-code plagiarism & AI detection (Codeleaks)

Copyleaks Description:

Copyleaks is a robust content integrity platform designed to help educators, businesses, and creators ensure originality and responsible AI use in digital content. In the era of generative AI, Copyleaks offers both plagiarism detection and AI-generated text identification, enabling users to verify whether content was human-written or produced by language models. By combining deep semantic analysis, pattern detection, and an expansive content database, Copyleaks surfaces potential copying, paraphrasing, or misuse of content across web sources and internal documents.

At its core, Copyleaks’ AI detector claims over 99 % accuracy in identifying AI-generated text, even when portions are mixed or paraphrased.  It supports 30+ languages, making it a versatile tool for multilingual content authenticity.  Copyleaks also offers detailed insights via AI Logic, which highlights which parts of a text appear more “AI-like,” provides source match evidence, and shows confidence scores, helping users understand why content was flagged.

Integration flexibility is a major strength. Copyleaks is available via a browser extension for real-time detection in web editors, a Google Docs add-on for in-document scans, and via API for enterprise or developer use cases. It also integrates with learning management systems like Canvas, Moodle, Blackboard, and others, enabling academic workflows to incorporate integrity checks directly.

In the education sector, Copyleaks is used to scan student assignments, detect potential cheating or unoriginal work, and generate reports for instructors.  In business and publishing, it helps protect intellectual property, enforce copyright compliance, and maintain trust in published content.

Over time, Copyleaks has grown from a plagiarism detection tool into a broad content governance solution. It has evolved its AI detection engines, added new features like text moderation, and expanded its product reach. While detection tools are not infallible, independent reviews and studies often place Copyleaks among the more reliable tools, especially in detecting AI signals and paraphrased content.

With its combined capability of plagiarism and AI detection, flexible integrations, and detailed transparency, Copyleaks is positioned as a leading choice for anyone concerned with content authenticity in the modern AI era.

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