Lie Detection
The best 50 Lie Detection AI tools - Free & Paid
Explore 50 AI for Lie Detection
LiarLiar.ai detects deception in real‑time during video calls and recordings by monitoring heart rate, micro‑expressions, body language, voice pitch, and language. It provides instant truth‑worthiness scores and detailed reports, preserving privacy by storing recordings locally.
Paid
- $9.99/mo
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
Gaslighting Check is an AI-powered tool that analyzes conversations to detect emotional manipulation tactics like blame shifting and memory distortion. It offers real-time insights, actionable recommendations, and a secure platform with community support and data protection compliance.
Freemium
- $9.99/mo
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
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
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
Layly is an Ethereum-based AI tool combating fake news and deepfakes by analyzing images, videos, and audios. It detects manipulated media, fosters media literacy, and provides functions like image classification and media authenticity verification.
Freemium
Cheateye is a specialized search engine that uses advanced AI to locate active Tinder profiles, providing detailed reports on bios, photos, and activity without alerting users, ensuring privacy while facilitating clarity in relationships.
Freemium
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
Introducing Truebees, the first deepfakes detector designed to combat the spread of AI-generated portraits on social media platforms. Truebees helps verify the trustworthiness of images, detect deepfakes, and prevent the sharing of AI-generated images.
Freemium
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
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
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
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
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
Deepfake Detector analyzes audio, video, and image files with up to 95 % accuracy, offering noise removal, probability scores, confidence levels, and multilingual support. It includes a Chrome extension for web checks and an API for real‑time verification in business communications.
Paid
InsightAI delivers AI‑driven fraud and AML intelligence, using device fingerprints, network signals, and behavioral analytics to detect fraud before transactions, automate case summarization, spot forged documents, and provide millisecond‑level real‑time risk scoring with explainable outputs for aud
Subscription
Lightscreen is an AI-driven interview platform for tech recruitment, featuring advanced coding assessments, real-time pair programming with a voice agent, and tools for behavior analysis and plagiarism detection to streamline candidate evaluation and enhance decision-making.
Freemium
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
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
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
LogicBalls verifies user intent to cut hallucinations, offering a chat assistant that refines prompts. It provides access to 2,000+ AI tools, multiple language models, usage tracking, bookmarking, prompt library, performance comparison, community, and API integration.
Paid
NoPlagio checks uploaded documents against 80 million academic articles and live web sources, supporting 129 languages. It gives similarity scores, color‑coded plagiarism types (citation, paraphrase, improper reference), source links, and protects privacy by never storing files.
Freemium
Shufti offers AI‑powered identity verification, enabling fast onboarding and continuous risk assessment. It provides 3‑D liveness, global document and address checks, age verification, KYC/KYB/AML screening, deepfake detection, behavioral biometrics, and device fingerprinting via API and SDKs.
Freemium
IDScan.net offers an AI‑driven identity verification platform that scans passports, driver’s licenses, and mobile IDs using UV/IR imaging and deep‑fake detection. It supports real‑time data capture, KYC/AML compliance, and APIs for integration across banking, retail, and logistics.
Free
Layla Network AI specializes in deepfake detection and media authenticity, offering real-time analysis of images, audio, and video. It includes document verification features and provides actionable insights to combat disinformation and ensure content integrity.
Free
PlagiarismSearch.com compares submitted text to a vast database of web pages, journals, and printed sources, highlighting matches and providing similarity reports, AI‑content detection, readability checks, spell‑check, and API integration for real‑time academic integrity.
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
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
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 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
Ropes.ai adds trust to staffing by validating candidate skills with real‑world simulations, detecting fraud via real‑time geo‑location and IP monitoring, integrating with ATS, and offering placement analytics while ensuring enterprise data security.
Freemium
AI Voice Detector identifies AI‑generated speech with up to 99 % accuracy. It analyzes MP3, WAV, OGG, M4A, MP4, MOV files up to 10 min by segmenting audio, applying voice‑activity detection, and deep‑learning scoring. Supports multiple languages, Chrome extension, desktop app, API.
Subscription
- $24.99
WeDetect.AI is an image detection tool that verifies whether images are AI-generated. Its efficient analysis assists users in combating misinformation, ensuring authenticity in online platforms, and validating visual content for various scenarios like shopping and social media.
Free
AI Essay Writer generates original essays in over 50 languages. Users set topic, type, length, and language; an optional undetectable mode reduces AI detection. It includes AI detection, plagiarism checking, and editing tools for personalized, compliant essays.
Subscription
- $17.98/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
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
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
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 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
HoundDog.ai scans code to detect PII leaks and map data flows across logs, APIs, SDKs, and AI integrations. It auto‑creates GDPR‑aligned documents, blocks risky pull requests in IDEs and CI/CD, and supplies an API context engine for safer AI coding.
Freemium
Sentiance processes sensor data on-device to generate real‑time behavioral insights for drivers and mobile users, enabling safety monitoring, fraud detection, usage‑based insurance, and personalized in‑vehicle features while keeping data privacy and bandwidth minimal.
Subscription
Facia provides AI‑powered facial biometric verification, including liveness detection, photo‑ID matching, and 1:N search. It offers real‑time deepfake detection during video calls, age and iris analysis, cross‑platform SDKs, and on‑premise deployment for secure identity workflows.
Freemium
Inscribe uses real‑time AI to detect fraud in financial documents by analyzing structure, metadata, and context. It cross‑checks claims against public and internal data, lowering false positives and speeding approval with explainable confidence scores.
Freemium
FalsoAI is a psycho-security platform that uses behavioral AI to detect cognitive manipulation and persuasion tactics in digital content. It analyzes text, URLs, and transcripts in seconds, producing structured reports that highlight manipulation patterns for investigative and editorial review.
Freemium
Ai‑Spy analyzes MP3/WAV files to distinguish human from AI‑generated speech. It offers drag‑and‑drop uploads or link input, instant authenticity scores, word‑level breakdowns, exportable reports, and a SOC 2‑certified API for workflow integration.
Free