Free AI Detector Online

Check AI-written text free with no signup and review clear AI, mixed, and human scores in seconds.
Free · no sign-up
Up to 500 words per check
No credits used

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ChatGPT
Claude
Human
Human + AI
0 / 500 words
Result
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One clear verdict in seconds — AI, Mixed, or Human.

Flagged as AI? Make it read human.

Rewrite AI drafts, keep your meaning — start with 100 free credits.

Icon of monthly AI detector scan statistics showing 350K plus performed
350K+
Scans Performed Monthly
Icon of AI detector with 99 percent rate for identified signals
99%
Accuracy Rate
Icon representing AI detector's 4.9 average user rating from 12,589 users
4.9
Average Rating from 12,589 Users
An image showing clear AI, mixed, and human-written signal scores in a free AI text detector report

Free AI Text Detector With Clear Scores

A free result should still be useful. Lynote separates the text into AI-generated, mixed, and human-written signals so you can see how the whole draft is being read. Use the scores as a review guide, then check the highlighted lines and your original context before making a decision.
    An image showing sentence-level highlights for reviewing AI-generated content

    Review AI-Written Sentences for Free

    A high document score does not tell you which wording triggered it. Lynote marks the sentences that show stronger AI-writing patterns, helping you focus on the lines that matter. This is useful when you only need to revise a few formulaic transitions, repetitive phrases, or overly even paragraphs.
      An image showing online AI text detection without sign up required

      Check Essays and Content Without Signing Up

      Run a free AI text check on essays, articles, reports, applications, and marketing drafts directly in your browser. There is no account wall before the first result. For school or workplace decisions, combine the report with drafts, citations, revision history, and human review.

        Understand Your Free AI Detection Report

        A useful free AI check should show more than one percentage. Lynote separates the result into AI-generated, mixed, and human-written signals, then points you to the sentences worth reviewing.

        An image showing an AI detection report with separate scores and highlight signals

        Use each part of the report as a review signal rather than a verdict:

        • AI-generated score: Shows how strongly the full text resembles common AI-writing patterns.
        • Mixed score: Highlights writing that may combine original wording with AI-assisted edits.
        • Human-written score: Estimates how closely the text matches natural human writing patterns.
        • Sentence highlights: Directs your attention to specific lines instead of leaving you with only a document-level score.
        • Context matters: Short, formal, technical, translated, or heavily edited text can produce uncertain results.

        Check Writing From Popular AI Models for Free

        Run a free check on text created or edited with popular AI assistants. Lynote analyzes the writing itself and reports AI-likelihood signals without pretending to identify the hidden source model with certainty.

        ChatGPT, Claude, Gemini, and similar tools can produce different topics and tones, but their output may still share patterns such as unusually even rhythm, repeated transitions, generic detail, or predictable structure. Lynote compares several signals together and shows where closer reading is useful.

        Uniform Sentence Rhythm

        Identifies low variance, smooth writing, safe sentence progression, and generalizations frequently found in outputs from OpenAI-like models.

        Repeated Transitions

        Identifies analytical, well-balanced structure and perfectly symmetrical paragraph progression that seems overly consistent.

        Polished but Generic Detail

        Flags conversational but dense synthesis, fact-heavy compression, and transitions that sound smoothly generated.

        Predictable Structure

        Core review signals include repetition, sentence rhythm, lexical variance, predictability, and detector-aware phrase patterns.

        ChatGPT Claude Gemini

        Writing signals reviewed in the free check

        Phrase repetition
        High
        Sentence rhythm
        Medium
        Lexical variety
        Medium
        Structural predictability
        High
        99%Established benchmark accuracy for supported AI text checks
        50+Languages available for multilingual review
        1 ReportAI, mixed, human, and sentence-level signals in one view

        What to Do After a Free AI Check

        A score is a starting point. Use the report to inspect the text, recover context, and make intentional edits instead of chasing a lower number.

        01

        Read the Highlighted Lines

        Start with the sentences Lynote marked for closer review. Look for repetitive phrasing, broad claims, and unusually even structure.

        02

        Compare Earlier Drafts

        Check notes, outlines, citations, and revision history. These materials provide context that a detector score cannot see.

        03

        Restore Specific Detail

        Replace vague statements with concrete examples, evidence, dates, observations, or domain-specific language that belongs in the draft.

        04

        Edit With Your Own Voice

        Rewrite only the lines that need work. Preserve accurate ideas while varying rhythm, emphasis, and wording naturally.

        05

        Run Another Free Check

        Check the revised version again to see whether the highlighted patterns changed, then read the text yourself before finalizing it.

        06

        Follow the Relevant Policy

        Use the rules set by your school, publisher, client, or employer. Disclose AI assistance when the applicable policy requires it.

        What Can You Check for Free?

        Icon for checking free essays and assignments with the AI detector

        Essays and Assignments

        Review a draft before submission and inspect any highlighted lines alongside your notes, sources, and revision history.

        Icon representing free articles and blog draft checks using AI detection

        Articles and Blog Drafts

        Check an article before publishing, especially after using AI for outlining, rewriting, or headline ideas.

        Icon for checking marketing copy for automated AI phrasing

        Marketing Copy

        Review landing pages, emails, ads, and social copy for wording that feels repetitive, generic, or overly automated.

        Icon for checking workplace documents with the AI detector

        Workplace Documents

        Check reports, applications, proposals, and internal drafts before sharing them with a reviewer or team.

        Who Uses This Free AI Detector?

        Icon representing students using the free AI detector for essays

        Students

        Check an essay after using AI for brainstorming or editing, then compare the report with your own notes and draft history.

        Icon representing educators guiding review with AI detector highlights

        Educators

        Use sentence highlights to guide a conversation about a submission instead of treating one score as a final judgment.

        Icon representing writers checking articles for AI assistance

        Writers

        Review articles, newsletters, and scripts before delivery when parts of the draft may have been AI-assisted.

        Icon for editors using the AI detector to review key lines

        Editors

        Find the lines that need a closer read while keeping tone, evidence, and the author's revision history in view.

        Icon for marketers reviewing drafts for generic AI phrasing

        Marketers

        Check campaign drafts and content briefs for generic AI phrasing before they reach customers.

        Icon for recruiters reviewing writing assessments with AI detector

        Recruiters

        Review written assessments or applications as one signal while keeping a human reviewer responsible for the hiring decision.

        How to Check AI-Written Text for Free

        Take a look at how Lynote AI Detector scans the text for signs of AI writing, flags suspicious sentences, and converts detection alerts into a report for your review prior to publication.

        Free AI Detector FAQ

        Clear answers about free checks, no-signup access, limits, accuracy, privacy, and AI-writing reports.

        Yes. You can run a free AI text check online and review the result without creating an account. Paid plans are available for higher usage and longer workflows.

        No. Paste text or upload a supported file, click Detect AI, and view the free report without registering.

        Free checks currently support up to 600 words per scan. Paid plans support up to 3,000 words per scan. The current limit is also shown in the tool before you start.

        Yes. You can check an essay and review AI-generated, mixed, and human-written signals for free. For academic decisions, also consider drafts, citations, sources, and the student's writing process.

        The AI score estimates resemblance to common AI-writing patterns. The mixed score signals text that may combine human and AI-assisted wording, while the human score estimates resemblance to natural human writing.

        AI detectors can be useful review tools, but no detector is perfect. Read the sentence highlights and consider the text's length, genre, editing history, and context before drawing a conclusion.

        Lynote can review text created or edited with popular AI assistants, including ChatGPT, Claude, and Gemini. It analyzes writing patterns rather than claiming to prove which hidden model wrote the text.

        Yes. AI-assisted text can retain predictable structure, repeated transitions, or unusually even rhythm after editing. Human writing can also produce similar patterns, so review the highlighted sentences in context.

        Lynote does not use submitted text to train its detection models. Avoid uploading material you are not authorized to process, and follow your school or workplace privacy rules.

        No. An AI detector estimates whether writing resembles AI-generated text. A plagiarism checker searches for copied or closely matched source material.

        Lynote supports multilingual AI-writing checks. Results can vary by language, text length, genre, and editing history, so read the highlighted sentences in context.

        Yes. You can revise highlighted lines yourself or use the AI Humanizer as an editing aid. Review the final wording to make sure it remains accurate and reflects your own voice.

        Check Your Text for AI Free

        Paste your draft, run a free AI check without signing up, and review the lines that deserve a closer look.

        More Tools for Reviewing AI-Written Content

        Explore focused AI-checking tools for essays, documents, applications, and model-assisted writing, or read the complete AI Detector guide.