Best writing authenticity tools in 2025

Turnitin

Reliable plagiarism detection for academic integrity and originality.

Smodin AI Content Detector

Detects AI-generated text for content authenticity verification.

Detecting-AI.com

Identify AI-generated content with accurate analysis.

Bladerunner

Identify AI-generated text in browser content easily.

AI Content Detector - Leap

Quickly verifies if text is AI-generated or original content.

GPT-2 Output Detector

A tool to determine if text is human or AI-generated.

AI detect

Accurate detection of AI-generated text for authenticity verification.

AI Plagiarism Checker

Detects AI-generated text for academic and professional integrity.

ContentDetector

Identify AI-generated text with high accuracy and detailed reports.

Writecream AI Content Detector

Accurate AI content verification for maintaining originality.

Sapling AI Content Detector

Detects AI-generated text for authenticity verification.

Copyleaks

Detects plagiarism and verifies content originality effectively.

AI Content Detector

Identify AI-generated content with high accuracy.

AI Content Detector | Copyleaks

Verify if text is AI-generated or original content easily.

AI Checker Tool

Verify if text is written by humans or generated by AI.

AI Detector Deutsch

Detects AI-generated text for authenticity verification.

Subscription + from €50.00/page
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Flair NLP

A framework for advanced natural language processing tasks.

Ginger

Writing assistant that enhances grammar and clarity in texts.

Punctuation Check

Quickly identify and correct punctuation errors in your writing.

Gradescope

Grading assessments and providing insights for educators.

Further AI

AI Assistants for automating insurance industry tasks.

ZeroGPT.net

Identify human and AI-generated text with advanced algorithms.

Gltr

Identify machine-generated text with visual probability analysis.

Ask AI

Instant answers on your wrist for any question.

GPTZero.cc

Verify if text is written by humans or generated by machines.