AI Plagiarism Checker

Writing confidence that follows you everywhere

Rephrase until it sounds right

ZeroGPT processes text quickly to detect AI-generated content

Used by over 10 million teachers and students across more than 100 countries, GPTZero detects AI-generated text across major language models while providing a suite of writing verification tools

Developers get API access for building AI detection into their own apps

Dechecker AI breaks down AI detection differently

ZeroGPT Plus can detect if text came from AI with high accuracy

A content marketer drafts 15 blog posts using AI, then realizes every piece sounds robotic and formulaic

AHelp starts at $4

WriterZen costs nothing for 15 days

UnGPT takes AI-generated text and rewrites it to mimic natural human writing patterns that slip past detection algorithms

StudyPro gives you 500 free credits daily

Yomu AI is an academic writing assistant that drafts, edits and cites essays, research papers, literature reviews and theses inside one document editor.

Trinka is an AI writing assistant and grammar checker aimed at academic and technical writing.

Smodin is an AI writing toolkit that puts an AI content detector, an AI humanizer, a plagiarism checker, an AI writer, a rewriter and an AI chat assistant in one account.

Pangram Labs makes an AI detector that checks whether text was written by a person or generated by a language model.

Scribbr AI Detector is a free checker that estimates whether a piece of writing was produced by an AI model.

Turnitin is an academic integrity suite that schools, universities, and research organizations use to verify originality and deal with AI-written text.

Scribbr Plagiarism Checker compares a document with a database of 99 billion web pages and 8 million publications and shows where the text matches existing sources.

Phrasly is an AI writing workspace built around a humanizer that rewrites machine-generated text so it reads like natural human writing, without watermarks.

Copyleaks is a content authenticity platform that checks whether text was written by AI and whether it copies existing sources.

Winston AI is an AI content detector and plagiarism checker built for education, SEO, and writing.