AI Detection

AI text humanizer for Spanish and Portuguese. Rewrites robotic AI text into natural prose, claiming to bypass GPTZero and Turnitin. Free, web-based, no signup.

AI Undetect is a web-based tool that rewrites AI-generated text to appear human-written, offering a freemium tier, a built-in AI detector, 20+ language support, and an enterprise API for programmatic integration.

A free web-based tool that converts AI-generated text into natural-sounding human prose. No signup or word limits — paste text from ChatGPT or Claude and get rewritten output designed to bypass AI detection while preserving meaning.

AI Humanize is a web-based tool that transforms AI-generated text into natural, human-like content to bypass AI detectors. It combines built-in AI detection with humanization, offers a REST API for programmatic use on Pro and Business plans, and includes document organization features.

CopyChecker AI Humanizer is a free browser-based tool that transforms AI-generated text into natural, human-like writing. Users can paste text or upload documents in TXT, PDF, and DOCX formats. The tool supports multiple languages and aims to produce output that evades AI content detection systems while improving readability. Part of CopyChecker's broader free tool ecosystem, it offers a straightforward workflow with no installation required.

Song Lyrics Review is a web-based AI tool that identifies lyrical themes and emotional tone, analyzes literary and rhetorical techniques, evaluates quality against creative standards, and provides personalized improvement plans. It operates on a credit-based pricing model with Basic and Standard plans, targeting songwriters and lyricists seeking structured feedback on their work.

Content True is a high-precision AI detector achieving 98.5% accuracy in identifying text from ChatGPT, Claude, Gemini, and other major AI models.

AI content detection platform for educators and institutions, with Canvas and Google Classroom integrations, multi-model support, and API access.

QuillBot is a web-based AI writing platform that integrates paraphrasing, grammar checking, plagiarism detection, AI humanization, citation generation, and PDF conversion into a single tool suite. It operates on a freemium model with a Premium upgrade tier and includes experimental features such as an AI Image Generator and AI Chat alongside its core writing modules.

Grammarly is an AI-powered writing assistant that deploys specialized agents for grammar checking, citation finding, AI-content detection, assignment grading, and audience feedback simulation across applications and browser tabs.

Wrizzle AI is a web-based AI writing platform offering an AI text generator and a paraphrasing tool. The vendor markets it as a complete writing toolkit capable of generating new text and rewriting existing content for any purpose.

Plag.lv is a Latvian plagiarism and AI detection service for academic use. It provides similarity checking against an 80M+ scientific article database, free teacher accounts with 20 monthly checks, and unlimited student document sharing.

PassMe AI is a web-based AI detection bypass tool. It claims to remove identifiable AI writing patterns using a model trained on 200 million data points, supports 50+ languages, and offers a free plan. The vendor asserts SEO benefits including Google penalty avoidance. No independent benchmarks or third-party audits are publicly available to verify the 100% effectiveness claim.

Uncheck AI is an undetectability tool that processes output from GPT, Claude, Gemini, and other AI models to bypass AI content detection. The vendor claims one-click OpenAI watermark removal and a simple three-step workflow, though independent verification of these capabilities is not available in the source material.

Nily AI is a browser-centric AI platform that aggregates over 20 assistants for chat, code generation, writing, reading, OCR, and translation. It includes an AI detector claiming multi-model detection across 40+ languages, targeting marketers, educators, and academic institutions. All capabilities are self-reported with no published third-party benchmarks.

BrandWiz.ai is an AI-powered moderation tool for social media creators and brands. It enables custom keyword, emoji, and phrase-based filtering rules that adapt to a user's unique language style. The platform offers multiple pricing tiers to serve individual creators through large-scale account managers, with a focus on reducing trolls and drama in comment sections.

Youdao Writing is an AI-powered English writing assistant for Chinese users, offering grammar, spelling, and style correction.

Sherlock AI positions itself as an Interview Proctoring Agent — a platform focused on monitoring and overseeing interview sessions for hiring teams. It has launched on Product Hunt with two top-post badge placements, signaling early community interest in the product-discovery ecosystem. The homepage was published in July 2026 and includes a Platform Features section, though specific capabilities and pricing are not detailed in available public documentation.

学术猹 (Xue Shu Cha) is a China-based, Chinese-language AI-content detection platform for academic theses, offering free daily screening under the youdao.com domain.

Pretty Prompt is a browser extension and web application that helps users improve their AI prompts by transforming casual text into structured, effective instructions. Launched on Product Hunt as version 1.0, it offers a freemium model with a Pro tier unlocking unlimited prompts, full history, a saved library, and advanced features. While the core proposition is accessible, several documentation and developer resource pages were unavailable at review time.

MarkMe is an AI essay marking platform designed for GCSE humanities students. It provides automated feedback aligned to AQA, Edexcel, and OCR mark schemes, with one free marking per week and paid upgrades for unlimited access. Enterprise solutions are available for schools and institutions.

Hastewire combines AI text humanization and AI detection in a single SaaS platform, with Zapier and ViaSocket integrations connecting to thousands of apps for automated content workflows. A free 500-word plan is available.

Ace Essay is a web-based platform offering two integrated tools: an Essay Humanizer that rewrites AI-generated text to evade detection, and an AI Detector that analyzes writing patterns to estimate the percentage of AI-generated content. The service targets students and academic writers but provides no independently verified performance data or published accuracy methodology.

AI detector, paraphraser, and content generator to create undetectable AI text.