online document originality checker - AI tools

Plagiarism Detector is a free and accurate online plagiarism checker. Simply paste text or upload files to detect copied content and ensure originality.

• Freemium
• From 10$

PlagiarismCheck.org is a comprehensive plagiarism and AI detection tool that helps educators, students, writers, and content creators verify text originality and authorship with advanced algorithms and extensive databases.

• Paid
• From 6$

Plagiarismchecker.ai is a free, AI-powered tool that detects plagiarism and identifies AI-generated content in text, offering detailed reports and supporting multiple languages.

• Freemium
• From 5$

Copyscape is a leading online plagiarism detection tool trusted worldwide for checking the originality of web content, including AI-generated text. It helps prevent plagiarism and protect websites from duplicate content issues.

• Freemium

PlagiarismSearch.com offers comprehensive plagiarism detection, AI content identification, and content improvement tools for students, educators, and organizations. It ensures content originality and quality through advanced algorithms and detailed reports.

• Paid
• From 23$

Plagium helps ensure text originality by detecting and identifying potential plagiarism. It offers various search levels and tools for individuals and institutions.

• Usage Based

CopyFind.AI is a comprehensive content verification tool that combines plagiarism checking and AI content detection capabilities, allowing users to verify text originality and identify AI-generated content.

• Freemium

Plagramme is a plagiarism checker and AI detector that supports 129 languages and offers a database of scholarly articles for comparison.

• Freemium
• From 10$

Originality.ai is a comprehensive content verification platform offering AI detection, plagiarism checking, and fact-checking tools with 99% accuracy, designed specifically for web publishers, content marketers, and professional writers.

• Freemium
• From 15$

EssayCheck.ai is an AI-powered tool that helps users refine their writing by identifying grammatical errors, detecting AI-generated content, and checking for plagiarism.

• Freemium
• From 10$

Editpad is a versatile online notepad for editing plain text, checking plagiarism, paraphrasing, and generating various types of content using AI.

• Free

Detector de IA is an online tool that analyzes text to determine if it was written by a human or an AI, providing a similarity score percentage.

• Free

NoPlagio is a comprehensive online platform that offers plagiarism detection and prevention services, supporting 129 languages and featuring real-time checking against academic databases with over 80 million articles.

• Freemium

AI Copy Scanner provides AI-powered detection for identifying content generated by large language models (LLMs). Scan text easily via an online editor or API.

• Paid
• From 49$