Detect AI Written Content
The best 50 Detect AI Written Content tools - Free & Paid
Explore 50 AI for Detect AI Written Content
ContentDetector.AI is a free tool that identifies AI-generated written text, including Chat GPT and GPT 3 content, and provides an estimated percentage score of AI generation likelihood.
Free
Detecting‑AI scans text in 50+ languages, marking AI‑generated sentences with probability scores. It integrates with Chrome, Moodle, Zapier, and offers an API, delivering up to 98% accuracy and low false‑positives while protecting user privacy.
Freemium
- $7/mo
AI Content Detector - Trusted GPT-4 analyzes text to identify human-written versus AI-generated content. It offers document uploads, supports multiple languages, and provides percentage-based insights on originality, making it useful for educators and content creators.
Free
AI Content Detector evaluates text for AI authorship, handling uploads up to 4 MB or pasted input. It returns a detection score, readability rating, and grade assessment, comparing against models such as ChatGPT, Gemini, Claude, and LLaMA. Useful for researchers, educators, and publishers to verify
Paid
- $9.99
AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
Free trial
Undetectable AI scans text and images for signatures of models like GPT‑4, Gemini, and Claude, combining multiple engine results into a probability score. It handles paraphrased content, supports 50+ languages, and offers a Chrome extension and API.
Free
- $5/mo
AI Undetect evaluates AI‑generated content and rewrites it into human‑like text in 20+ languages. It integrates with ChatGPT, Claude, and Jasper, offering manual and auto‑perfect modes, and shows unified detection results from GPTZero, Copyleaks, Turnitin, Originality AI, and more.
Paid
AI Detector evaluates text for AI authorship likelihood, delivering a percentage score. It compares style, vocabulary, sentence length, and coherence against extensive human and AI datasets, enabling targeted edits for academic, SEO, and publishing standards.
Free
- $5.91
Checkforai is an AI tool that detects AI-generated content in written text, ensuring authenticity and helping prevent plagiarism and search engine penalization.
Free
The AI plagiarism checker from plagiarismcheck.org uses advanced AI technology to detect AI-generated content and plagiarism, supports various file formats, and is useful in academia, SEO, and recruitment.
Freemium
- $5.99
X Detector analyzes up to 5,000 characters, giving per‑word probability scores to identify whether a passage was written by ChatGPT, Claude, Gemini, or a human. It supports over 20 languages, processes millions of texts, and encrypts data for privacy.
Freemium
MyDetector is a free tool that detects AI-generated text and humanizes it to ensure authenticity. It supports multiple languages, offers 99% accuracy, and refines content to match human-like quality.
Free
AI Content Checker is a free browser extension that enhances web publishing by detecting errors, ensuring quality logic, and perfecting content before publication. It offers features like reviewing pages, answering specific questions, highlighting headings/links, identifying spacing issues, and open
Free trial
AIDetector.review is an AI text detection tool that identifies AI-generated content with detailed reports and confidence scores. It offers fast, 99.2% accurate analysis for academic, publishing, recruitment, and business use cases.
Free
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
Freemium
- $12/mo
Detector AI is a free text detector that identifies AI-generated text from models like ChatGPT, Claude, and Gemini using advanced NLP algorithms. It offers a user-friendly interface for analyzing content, highlighting AI vs. human contributions, and ensuring originality for students, researchers, an
Free
Detectordeia is a sophisticated tool designed to analyze texts, distinguishing between AI-generated content and human-written material by evaluating writing patterns, structure, and style.
Free
AI Detector identifies AI‑generated content across text, images, audio, and video, supporting common media formats. It achieves 98.9% accuracy for synthetic images and offers an API for seamless integration into KYC, fraud‑prevention, and moderation workflows.
Freemium
- $5/mo
Uncheck AI detects AI‑generated content and rewrites it to evade detection while preserving meaning, grammar, and style. Supporting over 30 languages and removing watermark phrases, its output is error‑free, plagiarism‑free, and suitable for email marketing and SEO.
Freemium
- $6.99/mo
Decopy is a free AI content detection tool with 99% accuracy, capable of identifying AI-generated text, providing detailed reports, and enhancing text quality. It supports multiple languages and is user-friendly and versatile.
Free
Winston AI is an AI tool that detects AI-generated content and plagiarism. It allows users to categorize and label documents easily and efficiently.
Free trial
Uncheck AI evaluates text for AI signatures, then rewrites it into human‑like, spam‑free prose that passes detectors such as GPTZero, Turnitin, Copyleaks, and ZeroGPT. It removes OpenAI watermarks, supports SEO‑friendly, multilingual content, and gives simultaneous detection scores.
Freemium
- $12.99/mo
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
WriteHuman AI Humanizer refines ChatGPT, Claude, Gemini, and Deepseek outputs into natural prose, preserving the author’s voice. It offers readability scanning, AI detection, multiple variations, word‑count control, and web/API access for batch workflows.
Freemium
- $0.75/mo
AI Detector analyzes texts of at least 80 words to identify AI-generated content from various models. It produces detailed reports with confidence scores, aiding educators and students in evaluating academic submissions across multiple languages.
Free
AI Detector Deutsch identifies whether German text is human or AI‑generated by analyzing linguistic patterns, syntax, and context. It highlights AI‑created sections, enabling rapid authenticity checks for academic work, research, and content creation.
Freemium
AI Detector identifies text from ChatGPT, Claude, Gemini, Jasper, Copy.ai, and more using a multi‑algorithm system, providing instant percentage scores and sentence‑level breakdowns. It runs entirely client‑side, protecting privacy while verifying authenticity for content managers, educators, and bu
Freemium
Detector.io is an AI detection tool that scans text to identify AI-generated passages, providing a score and highlighted segments. It includes integrated tools like an AI humanizer and plagiarism checker to help refine content for authenticity.
Free
SafeWrite is an AI humanizer and detector that transforms AI-generated text into human-like writing. It provides detailed reports on AI probability and offers personalized rewrites to help users maintain authenticity in their content.
Free trial
- $9.99/mo
BypassAI rewrites AI‑generated content to bypass detection tools like GPTZero, Turnitin, and ZeroGPT, removing watermark patterns and spam‑like language. It supports 30+ languages, preserves meaning, and improves SEO‑friendly readability for academic, editorial, and marketing use.
Subscription
- $6.99/mo
AI ContentFi is a cost-effective content generation tool that uses AI to create high-quality blog posts in 87 languages and offers an AI-powered autopilot for scaling product content. The pricing model is subscription-based at $5 per post on average.
Freemium
- $1
StealthWriter converts AI‑generated text into natural, human‑like content by correcting errors and odd phrasing across multiple languages. It includes an AI detector to confirm human likeness and supports models like ChatGPT, Claude, or Llama.
Free
- $20/mo
Detectmy.ai is an AI content detector that identifies AI-generated, paraphrased, and human-written text. It provides detailed reports, confidence scores, and integrates with third-party AI models for workflows in education, publishing, and content moderation.
Free
Walter Writes AI enhances AI-generated content by refining its structure and tone, making it indistinguishable from human writing. It supports over 80 languages and includes a built-in detection tool to identify AI-produced text.
Free trial
Doubao AI is an all‑in‑one desktop and web assistant for drafting and editing text, translating multilingual content, generating images from prompts, analyzing documents for summaries and key facts, performing AI-powered web search, and providing code assistance.
Freemium
Lunchbreak AI scans documents with Turnitin, GPTZero and other detectors, highlights AI‑flagged sections, and offers one‑click rewriting that preserves meaning and voice. It supports academic, research, and business writing, ensuring detector compliance without loss of originality.
Freemium
Copyleaks delivers AI text and image detection, plagiarism checking, grammar correction, and text moderation in 30+ languages. It integrates via API, LMS, browser extensions, and Google Docs, supports major LLMs, and ensures secure, compliant workflows for education and enterprise.
Free
- $13.99/mo
Gptkit is an AI tool that detects and classifies human-written and machine-generated text using a multi-model approach with accuracy up to 93%.
Freemium
AI Writer offers AI‑powered tools to generate articles, blogs, captions, emails, and ads. Set tone, character limits, and platforms for titles, outlines, and meta descriptions. Built‑in expand, shorten, paraphrase, summarize, grammar, keyword, and translation features streamline editing and ensure q
Free
AI Essay Checker spots AI‑generated content, grammar errors, and plagiarism in real time. It offers multilingual support, a rich text editor, and local processing for privacy, aiding students, teachers, writers, SEO pros, and legal professionals.
Freemium
Dechecker AI is an AI content detector that identifies text generated by models like ChatGPT, Claude, and Gemini. It provides sentence-level analysis with highlighted passages and offers rewriting suggestions to enhance originality and readability.
Free
Browse AI enables code‑free web scraping and automation via a point‑and‑click interface. It captures dynamic, paginated, login‑protected data, auto‑detects site changes, exports to CSV/JSON/AWS S3, and streams into Google Sheets, Airtable, Zapier, APIs, and more.
Freemium
- $48.75/mo
AI Content Detector analyzes text to determine whether a human or AI wrote it. It accepts plain text or uploads, provides confidence scores and explanations, supports multiple languages, and includes step‑by‑step instructions and a video tutorial.
Freemium
- $99/mo
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
AI Detector identifies AI-generated content in videos, images, audio, and text. It helps verify the authenticity of digital materials, enhancing security in sectors like education, media, and business by supporting responsible content consumption and combating misinformation.
Subscription
Jetpack AI Assistant embeds in WordPress Gutenberg, generating posts, pages, lists, tables, and images from prompts. It offers readability checks, title and featured‑image optimization, and quick tone or translation edits, streamlining content creation.
Paid
- $4.45
Advacheck employs an AI engine to detect machine‑generated text from models like ChatGPT, Gemini, Llama, etc., flagging AI authorship and plagiarism with <0.5% false positives. It offers daily‑updated detection, academic integrity tools, and Moodle integration.
Free
ContentBot automates content creation with GPT‑4, producing SEO‑friendly blog posts, landing pages, product descriptions, and social media copy. Its flow builder schedules tasks, while bulk import/export, multilingual support, and a humanizer ensure natural, unique, global‑ready output.
Freemium
- $19/mo