Spam Detection
The best 50 Spam Detection AI tools - Free & Paid
Explore 50 AI for Spam Detection
hCaptcha is a bot detection and abuse prevention platform that offers risk scoring and challenge controls for web, mobile, and server‑side. It protects accounts from takeover, credential stuffing, and multi‑account abuse while preserving privacy with zero PII sharing.
Freemium
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
Email Verification uses AI to validate and clean email lists, flagging invalid, disposable, spam‑trap, role‑based, and catch‑all addresses. Real‑time API results and downloadable reports improve inbox placement and sender reputation.
Freemium
ScamMinder evaluates URLs in real‑time, assigning safety scores and risk indicators for phishing, fraud, and malware. Users upload message screenshots for AI analysis, while the platform aggregates community reviews, threat stats, and a site database to verify authenticity.
Freemium
Watchdog automatically moderates Discord, Telegram, Reddit, X, and Crisp using plain‑English rules. It deletes, mutes, bans, and alerts, supports multilingual content, learns from user responses, offers weekly summaries, and centralizes real‑time alerts and settings for consistent enforcement.
Paid
hCaptcha Enterprise provides enterprise bot mitigation and fraud prevention with integrated MFA (SMS OTP), CAPTCHA-based detection, and orchestration to block account takeover, credential stuffing and LLM-driven agentic abuse, with privacy-focused data handling and centralized analytics.
Freemium
Effortlessly declutter your inbox with SpamDrain Anti-Spam AI Tool. This smart filter effectively blocks spam, viruses, and automated emails on various devices, providing personalized email management for enhanced productivity.
Free trial
- $2.42/mo
WebTotem delivers an AI‑driven firewall that blocks brute‑force, DoS, SQLi, XSS, bot, spam, path traversal, and emerging threats, with custom IP whitelisting. It scans for malware, defacement, open ports, tracks SSL and domain expiry, scores vulnerabilities, and provides dashboards for collaboration
Freemium
- $8
PowerDMARC centralizes DMARC, SPF, DKIM, MTA‑STS, TLS‑RPT, and BIMI management, automating DNS publishing and SPF flattening. It offers aggregate and forensic reporting, real‑time threat maps, AI‑driven threat intelligence, multi‑lingual control, API, and white‑label options.
Freemium
CopyrightShark scans 12,000+ sites to detect and remove unauthorized content via DMCA and platform requests, monitoring 100+ social and marketplace sites. It offers a real‑time dashboard, anonymous contact, and safeguards against impersonation and deep‑fakes.
Freemium
- $99/mo
Spamcheck.ai is an AI-driven tool that detects and prevents spam through IP filtering, content analysis, and email validation. It ensures high accuracy and easy integration, providing robust protection for online content and form submissions.
Free trial
Mailtester.ai is an email deliverability testing tool that evaluates SPF, DKIM, DMARC, and DNS configurations. It offers a deliverability score, spam score analysis, and actionable content recommendations to enhance email engagement and improve inbox placement.
Subscription
ScamAlert detects suspicious activity in real time, instantly alerting individuals and businesses. Its zero‑knowledge design keeps data private, while encrypted messaging and identity verification reduce phishing. A constantly updated threat database lets users block scams and take preventive action
Freemium
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
TweetDetective is a Chrome extension that flags AI‑generated tweets. Using ML models trained on ChatGPT and Bard, it displays a probability score in each tweet’s corner, helping journalists, educators, and social media managers verify authenticity.
Paid
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
CommentGuard consolidates Facebook and Instagram comments, posts, ads, and DMs into a single inbox, auto‑filtering profanity, spam, and sensitive data. AI drafts replies, supports custom tone, team permissions, analytics, CSV export, and multi‑language translation.
Free trial
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
Bodyguard.ai offers AI-driven social media monitoring and moderation, detecting harmful content like spam and toxic messages. It provides real-time insights and classification to help brands create safer online communities and manage their reputations effectively.
Freemium
Abnormal AI provides behavior-based email and identity security for enterprises, detecting and blocking phishing, BEC, malware, quishing and account takeover attempts, automating mailbox triage and real-time response, offering in-email phishing coaching and centralized telemetry.
Freemium
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 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
Lasso Moderation automatically screens text, images, and videos in real time for spam, toxicity, profanity, nudity, violence, and other harmful content, offering a moderation dashboard, audit logs, and customizable AI rules without coding.
Subscription
- $99/mo
Detectmy.ai is an AI content detector that identifies AI-generated, paraphrased, and human-written text. It provides detailed reports, confidence scores, and integrates with third-party AI models for workflows in education, publishing, and content moderation.
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
AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
Free trial
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
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
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 agents scan 300,000+ sources—including dark‑web forums and new domains—to deliver real‑time OSINT alerts with context on threat actors, intent, and campaigns. Customizable workflows target phishing, insider risk, or credential leaks, enabling rapid response and fraud reduction.
Freemium
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
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
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
Smartlead is an AI‑driven cold‑outreach platform that unifies email, call, and SMS campaigns into one inbox. It automates warm‑ups, IP rotation, lead research, personalized messaging, CRM updates, and deliverability analytics to keep messages in primary inboxes.
Subscription
- $39/mo
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
CustomerPing scans forums and discussion sites, using AI to identify posts that match user‑defined relevance criteria. It sends alerts via RSS, Slack, email, etc., shortening prospecting cycles and enabling proactive engagement with potential customers.
Subscription
- $10/mo
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
CaliberAI scans articles, user comments, and legacy content for defamation, hate, and harmful material. Its browser extension and WordPress plugin offer real‑time editing assistance, while a customizable API lets publishers set risk thresholds, reducing legal exposure and protecting reputations.
Paid
Sniff Job is an AI-driven tool that detects job scams by scanning over 10,000 job boards. It generates tailored CVs and cover letters, verifies job ad authenticity, and provides real-time alerts for legitimate opportunities.
Free trial
TraceFuse detects Amazon reviews violating platform policies, audits ASINs (BSR, ratings, review counts), flags abusive patterns with AI, and automates filing and tracking removal cases to reduce negative reviews and improve conversions and ranking.
Freemium
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
Fama analyzes public digital footprints across thousands of sources to surface professional attributes, detect misconduct indicators (fraud, harassment, threats), and identify skills like creativity and leadership, integrating with HRIS/ATS and complying with FCRA, EEOC, and SOC2.
Freemium
Smodin is an AI‑powered writing assistant that detects, removes, and rewrites AI‑generated content, offers a plagiarism checker, and supports over 50 languages and .doc/.pdf/.txt uploads, helping writers create original, human‑sounding text.
Paid
SurveySparrow gathers survey responses from email, social media, web widgets, and messaging apps. It applies NLP to produce actionable insights for marketing, product, sales, and support teams, while ticketing and reputation tools close feedback loops in real time.
Free
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