• Multi-Model AI Detector (Free) — Checks your text against 8 major AI detectors at once — including GPTZero, Originality.ai, Copyleaks, and ZeroGPT — delivering a consolidated human score instantly with no account or signup required.

• AI Humanizer with Writing Level Matching — Rewrites AI-generated text at your chosen reading level (Elementary, High School, College, PhD, or Custom) so the output naturally fits your target audience without manual editing.

• Chrome Extension — Brings detection and humanization directly into Google Docs, Gmail, social media platforms, and any webpage, letting you humanize content without switching tabs.

• Smart Job Applier — Automatically generates tailored cover letters and job application responses that read as naturally human-written, optimized to avoid AI flags from employer screening tools.

• Human Auto Typer — Simulates authentic keyboard input behavior to produce text that bypasses behavioral AI detection systems that analyze typing patterns in addition to content.

• 50+ Language Support — Detects and humanizes content in over 50 languages with multilingual AI detection and rewriting, with English offering the highest verified accuracy.

• Money-Back Guarantee — If any humanized output is flagged as AI-generated by a covered detector, Undetectable AI refunds the cost of that humanization — a unique confidence guarantee in the market.

• Business API — Available on custom Business plans; enables developers and enterprise teams to programmatically submit text for detection and humanization at production scale with resale, support, and customization options.

• AI Humanizer (100+ Languages) — One-click humanization of AI-generated text into undetectable human writing; supports 100+ languages with expert-level humanization confirmed for English, Spanish, German, French, Japanese, and Mandarin Chinese; bypasses GPTZero, Turnitin, Originality AI, and Winston AI.

• Photo to Answer (iOS + Chrome Extension Exclusive) — Snap a photo of a handwritten note, printed worksheet, quiz, or textbook page using the iOS App or Chrome Extension; StealthGPT reads the image, identifies the question, and generates a human-sounding, undetectable AI answer instantly — no typing required; unique in the reviewed market.

• Real Citations — Click any sentence in a generated or humanized document to insert a verified, real-source citation that reinforces the content's credibility; cited sources are actual references rather than hallucinated URLs — unique in the reviewed humanizer market.

• Auto-Generate Bibliographies — Compile all inserted citations into a formatted bibliography in any required academic style (APA, MLA, Chicago, Harvard) with a single click; eliminates manual reference formatting for academic and research writing.

• Stealth Writer — Full AI content writer that generates first-draft essays, papers, reports, and blogs with human-like style from a simple prompt; context-aware paragraph building ensures new content builds naturally on previous ideas.

• SEO Writer — Generates information-dense, fully structured blog articles with images, headings, and SEO optimization from a single prompt; combines bypass and publishing-ready quality in one step.

• iOS App (Native Mobile) — Full platform access on iPhone including Photo to Answer, AI Humanizer, Stealth Writer, and AI Checker; the only reviewed AI humanizer with a native iOS mobile app; included on all paid plans.

• Multi-Seat Team Plans — Platform sharing built into Pro (3 seats), Business (5 seats), and Enterprise (10 seats) plans; the only reviewed AI humanizer with team-sharing architecture for collaborative content operations.