Online Content Analyzer
The best 50 Online Content Analyzer AI tools - Free & Paid
Explore 50 AI for Online Content Analyzer
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
On‑Page analyzes pages with Google ranking signals, scoring title relevance, intent, freshness, authority, and visual impact. AI Optimizer suggests entity‑based keyword tweaks; Auto‑Optimizer adds related entities; link‑relevancy tools flag irrelevant backlinks, predictive guest‑post evaluation occu
Subscription
- $129/mo
Opinly automates SEO growth with real‑time audits, keyword tracking, competitor benchmarking, AI‑generated content, CMS integration, and AI‑driven backlink placement to boost rankings.
Freemium
- $8
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
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
Online article summarizer that condenses long texts into concise summaries, extracting metadata, estimating reading time, and removing ads for a distraction‑free view. Supports text, URLs, PDFs, DOC/DOCX up to 25 MB, with a browser extension for instant page summarization.
Free
AI Text Generator creates original drafts, blog posts, emails, reports, and social captions from prompts, keywords or source text. Browser-based, it lets users set length, tone and audience, refine outputs, and copy or download results.
Freemium
Surfer is an SEO content platform that offers real‑time analysis of article structure, keyword density, and images in multiple languages. It supplies an editor with on‑page recommendations, AI‑driven drafting, link insertion, authenticity checks, and brand visibility tracking.
Subscription
- $49/mo
AISEO Free paraphrasing tool for content with high uniqueness
Free trial
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
AIChatOnline.org is a browser‑based AI assistant that processes text, images, and documents, aiding writers, researchers, and developers to draft content, refine tone, summarize reports, debug code, and browse over 50k integrated AI tools—all without installation and with session‑only privacy.
Subscription
- $6.4/mo
Instant Insight Page by Linnk AI simplifies webpage summaries, eliminates clickbait, and delivers direct answers for efficient content consumption. Bridge language barriers, get concise information, and bid farewell to misleading headlines.
Free
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
JustDone AI is an AI-powered assistant for research, writing, and studying, offering plagiarism checking, paraphrasing, summarization, and citation generation. It ensures content originality and supports seamless integration via a browser extension for professionals, students, and marketers.
Freemium
- $19.99/mo
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
Freemium
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
AI Text Humanizer turns machine‑generated prose into natural, human‑readable text, removes repetitive patterns, offers readability scores, and supplies API and web interface with counters. It supports multiple languages, protects data, and assists students, writers, marketers, and corporate teams.
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
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
Free
TubeOnAI automatically summarizes videos, podcasts, PDFs, and web content, offering multilingual text and audio outputs. It auto‑subscribes to channels for instant updates and transforms insights into blogs, social posts, newsletters, scripts, and mind maps with one click.
Freemium
- $19/mo
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
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
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
Seona AI scans a website's on‑page SEO elements—title tags, meta descriptions, headers, keywords, and content quality—to produce a detailed review score and actionable recommendations for keyword optimization, internal linking, and content improvements, comparing against competitors.
Freemium
AI Essay Checker spots AI‑generated content, grammar errors, and plagiarism in real time. It offers multilingual support, a rich text editor, and local processing for privacy, aiding students, teachers, writers, SEO pros, and legal professionals.
Freemium
AI Content Checker is a free browser extension that enhances web publishing by detecting errors, ensuring quality logic, and perfecting content before publication. It offers features like reviewing pages, answering specific questions, highlighting headings/links, identifying spacing issues, and open
Free trial
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
ExamOnline offers a secure remote proctoring solution for online examinations, featuring customizable settings, AI-based monitoring, and a secure browser. It integrates with LMS, ensuring exam integrity while reducing logistical costs for organizations.
Freemium
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
OneClickHuman is a free AI tool that converts content into human-like text with perfect grammar and high readability. Improve the quality of your content, restructure it for better readability and flow. Sign up for free or upgrade for increased word limit and daily usage.
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
Netus AI Bypasser detects, rewrites, and summarizes AI‑generated content. Its detector flags machine‑written text, the paraphraser preserves meaning while rephrasing, and the summarizer condenses documents. Built‑in SEO, readability, and multilingual utilities aid marketers and copywriters.
Freemium
- $9/mo
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
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
Quetext is an all‑in‑one writing platform offering plagiarism detection, AI content detection, real‑time grammar and spell correction, summarization, paraphrasing, and citation generation. It supports PDF, DOC, TXT files with bulk uploads for students, teachers, researchers, and creators.
Freemium
- $8/mo
Analisi Logica Online is an AI-powered tool that analyzes Italian sentences in real time, providing detailed grammatical evaluations and contextual explanations. It aids students, teachers, and linguists in mastering Italian grammar and syntax interactively.
Freemium
AI Summarizer quickly condenses essays, reports, and articles into short paragraphs or bullet lists. Paste text, upload DOCX/TXT/image, or give a URL; adjust summary length or set custom styles. Supports Spanish, French, German, Portuguese, and offers private, downloadable .docx outputs.
Free
Dechecker AI is an AI content detector that identifies text generated by models like ChatGPT, Claude, and Gemini. It provides sentence-level analysis with highlighted passages and offers rewriting suggestions to enhance originality and readability.
Free
vidIQ delivers real‑time YouTube analytics, keyword research, AI‑powered thumbnail creation, and competitive insights. Its AI coach refines titles and descriptions, while clipping tools produce short videos. Available via Chrome or mobile, it boosts visibility and engagement for creators.
Subscription
- $31/mo
Eightify uses AI to extract key ideas from YouTube videos, delivering timestamped bullet‑point summaries, full transcripts, and comment insights via a Chrome extension and mobile apps. It supports 40+ languages, helping users preview, note‑take, and share content efficiently.
Freemium
Simple Analytics AI lets website owners and marketers query traffic data with natural language, delivering instant insights, comparison charts, and social‑ready snippets. It provides quick, actionable analysis without complex reporting, ideal for analysts, growth marketers, and small businesses.
Freemium
- $15/mo
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/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
AI Facebook Assistant evaluates domain rank, URL rating, and keyword difficulty, provides backlink database with referring domains, anchor-text distribution, and link velocity, and offers traffic metrics, search/filters and export tools for SEO, content and outreach planning.
- $9.9
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
Upload a resume and paste a job description to instantly score fit. The tool spotlights missing keywords, allows in‑platform edits, and generates tailored cover letters and summaries. A Kanban board tracks applications, and a Chrome extension saves listings—no sign‑up required.
Freemium
Metamonster automates on-page SEO for agencies by managing bulk data, streamlining content edits, and generating insights through an SEO chat agent and focused crawls, making it easier to optimize and analyze large-scale websites efficiently.
Free trial