AI Plagiarism Checker

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Wordvice AI

AI Writing Assistant

Wordvice AI is a web-based AI writing assistant and text editor for proofreading, paraphrasing, translation, summarization, plagiarism checking, and AI detection, with document editing, ChatPDF, and team plans.

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Quetext

AI Content Detector

Quetext checks for plagiarism and AI-generated content, with tools to paraphrase, summarize, cite, and improve grammar in a browser or via API.

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GPTZero

AI Content Detector

GPTZero detects AI-generated content, mixed authorship, and citation issues while verifying writing for educators, teams, and developers.

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ZeroGPT

AI Content Detector

ZeroGPT detects likely AI-generated text and helps refine drafts with plagiarism checks, paraphrasing, summaries, grammar tools, translation, and API access.

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Originality.ai

AI Content Detector

AI detection and content integrity platform for plagiarism, readability, grammar, facts, and quality checks.

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Winston AI

AI Content Detector

AI content detector and plagiarism checker for web and API integrations

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Smodin

AI Writing Assistant

Smodin is an AI writing assistant and plagiarism checker for drafting, rewriting, humanizing AI text, and verifying originality.

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GPTinf

AI Humanizer

GPTinf humanizes AI text, detects AI patterns, and checks plagiarism in one workspace.

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PlagiarismSearch

AI Plagiarism Checker

PlagiarismSearch is an online plagiarism checker and text analysis service for students, educators, organizations, writers, and editors, with similarity reports plus AI, readability, spelling, and paper analysis tools.

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WriterZen

AI SEO Tools

Web-based SEO workflow for research, writing, and collaboration

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Textero

AI Writer

AI essay assistant for structured drafts, citations, and academic editing

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PlagiarismCheck.org

AI Content Detector

PlagiarismCheck.org is a browser-based plagiarism and AI content checker for students, educators, institutions, writers, and businesses, with similarity results, source matches, and downloadable reports.

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Packback

AI Education Assistant

Learning intelligence for discussion, writing, and originality review

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EssayGrader

AI Education Assistant

Rubric-based AI essay grading with fast feedback, reports, integrations, and AI/plagiarism checks

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TextAdviser

AI Writing Assistant

TextAdviser is a web writing assistant for grammar, plagiarism, AI chat, rewriting, summaries, translation, and more.

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Plag

AI Content Detector

Plag is an online plagiarism checker and AI detector for verifying originality, reviewing sources, and fixing citations before submission.

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NoPlagio

AI Content Detector

NoPlagio checks plagiarism and AI-generated content for students and teachers, with free initial checks, similarity highlights, and linked sources.

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iThenticate

AI Content Detector

iThenticate screens high-stakes documents for potential originality concerns before publication or submission. It serves individual researchers and graduate students through credits, and organizations and publishers through customized plans with similarity and AI writing detection.