Best alternatives to hCaptcha in 2025

ZeroGPT is an advanced and reliable chat GPT, GPT4, and AI text detector tool. It provides a simple way to detect chatGPT content with high accuracy. ZeroGPT is also capable of detecting OpenAI-generated text and serving as an AI essay detector for teachers. Additionally, it can be used as a plagiarism detector for AI-generated text..

GPTZero is an advanced AI detection tool designed to bring transparency to AI content. It specializes in detecting AI models such as ChatGPT, GPT4, Bard, LLaMa, and others. With GPTZero, you can check whether a given text was written by a human or an AI model..

Copyleaks is an AI-based platform widely used by millions worldwide to instantly detect plagiarized content, AI-generated content, and more. It offers solutions for verifying the authenticity of content written by humans or generated by AI. With Copyleaks, users can integrate AI content detection into their native platforms, easily detect AI content within their own LMS platforms, and check for plagiarism in various contexts..

Undetectable AI is an AI content remover that allows users to bypass AI detection and make their AI-generated text undetectable..

Give your software the power to see objects in images and video.

Originality.AI is an advanced AI content checker and plagiarism detection tool built specifically for content marketers, SEO professionals, publishers, agencies, and writers. It uses state-of-the-art AI algorithms to accurately detect duplicate content and distinguish between human-written and AI-generated text. With its high accuracy and advanced features, Originality.AI helps users protect their reputation, improve content quality, and ensure originality in their work..

GPTinf is a powerful AI detector bypassing tool. It paraphrases the content to remove conventional wording, repetitive sentence structures, etc., replacing them with human language..

AI Humanizer is an advanced rewriting tool that instantly converts AI text to human text. It reworks any AI-generated content using natural, human writing styles to make it sound authentic enough to bypass AI detection..

ContentDetector.AI is a free AI content detector and ChatGPT plagiarism checker. It can check for any ChatGPT generated content and AI-generated content, providing an estimated percentage score based on the likelihood that the text was generated by AI tools. It also serves as a word counter..

An AI content detector and plagiarism checker.

Detecting-AI.com is a powerful AI content detection tool that allows users to identify and flag AI-generated text, specifically from ChatGPT and other AI models. It provides reliable and detailed results to keep content AI-free..

AI Content Detector is a free tool that analyzes text to determine if it was generated by AI..

Bypass AI is the leading provider of undetectable AI writing solutions. Its cutting-edge text humanization technology empowers users to make AI-generated text 100% undetectable, allowing you to bypass AI detection effortlessly..

Plagiarism Checker - 100% Accurate Plagiarism Detector Online.

The Free Undetectable AI Writing Tool That Bypasses AI Detectors.

Humanize AI Text is a free online AI text converter that transforms AI-generated text into natural, human-like language while preserving the original meaning and context..

Undetectable AI is an AI content remover that allows users to bypass AI detection and make their AI-generated text undetectable..

The fastest and easiest way to protect your LLM-powered applications. Safeguard against prompt injection attacks, hallucinations, data leakage, toxic language, and more with Lakera Guard API. Built by devs, for devs. Integrate it with a few lines of code..

Cloud empower your OctoPrint and Klipper 3D printers with free, private, and unlimited remote access, next-gen AI failure detection, notifications, live streaming, and more!.

Framedrop is an AI tool designed to automatically detect highlights from various video content and convert them into short-form videos for platforms like TikTok, YouTube Shorts, and Instagram Reels. It aims to help content creators save time and enhance their audience engagement by simplifying the video clipping process..

Gamma.AI is an AI-powered Cloud DLP (Data Loss Prevention) solution for SaaS (Software as a Service) applications. It continuously monitors employees and notifies when a security mistake is made..

ZeroGPT.cc is a top-rated ChatGPT content detection tool that provides a simple and accurate way to detect AI-generated text. By using combinations of machine learning algorithms and natural language processing techniques, ZeroGPT.cc can precisely predict the origin of a text or phrase..

Landing AI is a computer vision platform and AI software company that offers a cloud-based computer vision software platform called LandingLens. It allows users to create custom computer vision projects in minutes via natural prompting interactions, making it fast, easy, and intuitive to build computer vision systems..

RewriteGuru is an online AI text rewrite tool that leverages advanced artificial intelligence techniques to spin articles, words, and text while maintaining their original context to produce 100% unique content. It offers five AI-based modes: Creative spin, Turbo spin, DIY mode, AI Rewriter, and Sentence Rephraser. Users can rewrite up to 30,000 words and utilize plagiarism, spelling, and similarity checks. The tool supports multiple languages such as English, Russian, Japanese, French, Italian, German, Portuguese, Spanish, Dutch, Indonesian, and Turkish..

FormX.ai is a service that uses AI technology to transform physical documents into digital structured data. It offers a data extraction tool that converts information from physical documents into structured digital data..

Athina helps developers monitor and evaluate their LLMs applications in production..

CleverSpinner is an AI-powered article rewriter, spinner, and humanizer tool that utilizes advanced natural language processing and machine learning techniques to rewrite and humanize content. It is designed to produce unique, high-quality rewritten articles, bypass AI content detectors such as Copyleaks, and improve the overall readability and structure of the text..

The Checker AI is a state-of-the-art research project on an AI Cheat Check for Education. This AI aims to detect and prevent cheating in educational settings..

Effortlessly transform AI-generated content into authentic, human-like writing that remains undetectable by AI detectors..

Omnilert is an active shooter protection and emergency communications platform featuring AI gun detection and mass notification systems for enhanced safety and rapid response during shooter incidents..

Humanizey is an AI humanizer designed to bypass AI detection by rewriting text..

Adversa AI is a cybersecurity firm that specializes in secure AI solutions, focusing on protecting AI systems from threats and ensuring their trustworthiness across industries like finance, automotive, and more. They provide assessments, awareness training, and advisory services aimed at minimizing AI-related risks and vulnerabilities..

Loti is a facial recognition technology that allows people to upload a photo of themselves and quickly identify whether any of their intimate images or videos have been published on the internet. It helps individuals protect their online privacy by identifying and taking down non-consensual intimate content..

Identity Verification for Helpdesks.

StendhalGPT is an advanced AI content detection tool. It ensures the authenticity of your content by accurately detecting and authenticating AI-generated content..

Greip is an AI-powered fraud prevention solution that helps businesses safeguard their app's financial security. By deploying cutting-edge AI-based modules, Greip prevents payment fraud and offers services such as credit card fraud detection, BIN/IIN lookup, IBAN validation, profanity detection, VPN/proxy detection, IP geolocation, ASN lookup, and country lookup..

LiarLiar.ai is a groundbreaking leap in AI lie detection technology. It combines proven psychological methods with advanced computer vision to discern truthfulness and identify potential deception in real-time. .

Getgud.io is a platform that harnesses AI to protect online FPS games from cheaters and griefers. It provides a safe and toxic-free environment for players, while also offering unparalleled game analytics..

BypassGPT is an innovative AI humanizer tool that transforms AI-generated text into natural, human-like content to bypass detection by AI systems like GPTZero and ZeroGPT..

Premium AI Writer That Sounds Human and Passes AI Detection.

The Ultimate AI Bypass Tool that beats AI Detection.

Lasso is an AI-powered content moderation platform designed for Trust & Safety teams to protect brands and ensure a safe user experience. It offers solutions for automatically removing harmful content and customizable moderation settings..

Keep Your ChatGPT Conversations Secure and Private.

A tool that allows you to convert AI-generated text to your writing style.

API platform that leverages the power of AI to detect malicious URLs and protect your online security..

Developing AI language analysis to empower individuals against online harm..

Jetcounter is an AI-based object counting app that uses computer vision software to accurately count similar items from photos..

Walter AI helps users humanize AI-generated text to bypass AI detectors like GPTZero and Turnitin, providing original, undetectable content..

Swift Security Platform is a unified AI Security Platform that actively protects users, developers, and applications using public, private, and custom LLMs..

UndetectableGPT.ai is a free online tool that humanizes AI-generated text to bypass detection by tools like GPTZero..