Detect AI Written Text
The best 50 Detect AI Written Text tools - Free & Paid
Explore 50 AI for Detect AI Written Text
AI Thesis Writer is a research-to-writing tool that generates structured, citation-aware thesis drafts across 57+ languages. It auto-creates chapters, embeds formatted references in common styles, and exports editable PDF/DOCX files for academic workflows.
Freemium
- $6/mo
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
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
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 Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
Free trial
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
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
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
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
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
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 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
AI Text Detector Online Free - aitextdetector.online can detect if text is written by humans or AI.
Free
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 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
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
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
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
Checkforai is an AI tool that detects AI-generated content in written text, ensuring authenticity and helping prevent plagiarism and search engine penalization.
Free
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
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
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
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
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
HandtextAI is an AI handwriting generator that transforms digital text into realistic handwritten documents, offering over 80 fonts, customizable settings, and export options. Users can create authentic notes and letters with personalized styles and visual effects.
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
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
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
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
Quetext is an all‑in‑one writing platform offering plagiarism detection, AI content detection, real‑time grammar and spell correction, summarization, paraphrasing, and citation generation. It supports PDF, DOC, TXT files with bulk uploads for students, teachers, researchers, and creators.
Freemium
- $8/mo
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
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
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
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
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
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
InstaText is an AI editing assistant that highlights suggestions for clarity, flow, word choice, and grammar. Users can accept or reject each change, select dialect, formality, or add custom terms. It works on Chrome, Gmail, Slack, Docs, Overleaf, and Word.
Paid
- $9.99/mo
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
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
Lynote AI Detector analyzes pasted text and uploaded documents (.docx, .pdf, .txt) to detect AI-generated or paraphrased content from models like ChatGPT, GPT-5, Gemini, Claude and LLaMA, offering sentence-level highlights, likelihood scores, multi-language support and shareable reports.
Freemium
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
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
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
XXAI unifies text, image, and video creation in a single desktop app. It offers drafting, rewriting, a prompt library, real‑time AI search, and a copilot that inserts responses across applications, streamlining authorship, design, and marketing workflows.
Freemium
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
Free
Write with AI in any app using the latest deep learning models.
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
Semihuman.ai converts AI‑generated text into natural, undetectable prose that passes Turnitin, GPTZero, and ZeroGPT. The web and API tools rewrite up to 250 words in 10‑30 seconds, preserving keyword density and readability for SEO and academic use.
Freemium
- $6/mo
Flot AI integrates GPT‑4 into any desktop app or website, offering real‑time text generation, outline creation, and grammar correction via highlights or shortcuts, while storing notes, memos, and translations in a cross‑device searchable knowledge base across 200 languages.
Subscription
- $15/mo
ZeroGPT detects AI‑generated text from models such as GPT‑4, LLaMA, Claude, and Jasper. It returns a percentage of AI content, sentence‑level flags, and a readability score, helping educators, writers, and SEO professionals verify authenticity.
Free