Free AI Content Checker
The Novaverb AI content checker measures writing signals in pasted text, such as repeated word forms and sentence-length variation, inside your browser. It shows the evidence and never a verdict on who wrote the text.
Runs locally. Your text is never uploaded.
Turn output into a monitored workflow
A Novaverb workspace crawls your live site, keeps what it finds, tracks changes over time and turns findings into assigned work.
What is an AI content checker?
An AI content checker examines a passage for writing patterns that sometimes appear in generated text. The Novaverb AI Content Checker reports measurable properties of the text, such as repetition and sentence-length variation, and deliberately gives no verdict that a passage was written by AI, because no detector can prove authorship.
What does the AI content checker check?
The AI content checker reports the share of repeated word forms, the number of words measured, the average words per sentence and the variation in sentence length. Every one of them describes the pasted text itself. None is a probability that the text was generated, and the tool shows no authorship score.
Who is the AI content checker for?
The AI content checker is for writers and editors revising a draft. A content writer checks whether a passage reads as uniform and repetitive, an editor reviews a submitted article for flat rhythm before a closer read, and a marketer polishes AI-assisted copy. It is not built for grading a student or judging an employee.
Why use an AI content checker?
Use an AI content checker to find monotony before a reader does. Sentences of nearly equal length and the same words repeated make a passage feel mechanical, whoever wrote it. Seeing those properties as numbers points to the paragraphs worth rewriting, which is a safer use than treating a detector score as proof of authorship.
How does the AI content checker work?
The AI content checker works as you type or paste. It splits the text into words at spaces and into sentences at periods, exclamation marks and question marks, lowercases each word and strips punctuation to get word forms, then calculates repetition, average sentence length and how far sentence lengths spread around that average.
What does this AI content checker do?
It measures writing patterns that sometimes appear in generated text. The report shows how much sentence length varies, the average words per sentence and how often the same word forms repeat. These signals can support an editorial review, but they cannot prove who wrote a passage.
How to use it responsibly
- Use the signals to revise clarity and originality, not to accuse an author.
- Read the passage and verify every claim against its source evidence.
- Do not treat a percentage as an academic, employment or legal decision.
What do you enter into the AI content checker?
You paste the article or draft you want to review into the AI content checker's text box. The box takes plain text, and the signals recalculate on every edit without a button press. There is no file upload and no URL field, and an empty box simply shows the prompt to paste text.
What does the AI content checker report contain?
The AI content checker report is a panel titled Writing signals with a tile for each measured value, labeled Repeated word-form share, Words measured, Average words per sentence and Sentence-length variation. Under the tiles, a note states that these are descriptive properties of the text and not an authorship score.
How do you read an AI content checker result?
Read an AI content checker result as editing guidance, never as a finding about a person. A low sentence-length variation means the sentences are close to the same length. A high repeated word-form share means the vocabulary recurs often. Both are reasons to reread and revise the passage, and neither shows that AI wrote it.
Where does the AI content checker run?
The AI content checker runs locally in the browser. A script in the page performs the calculation on the text in the box, and the text is not sent to Novaverb. No language model and no external database is consulted, so every value comes from counting the words and sentences that were pasted.
What does the AI content checker not tell you?
The AI content checker does not tell you who or what wrote a passage. AI detectors produce false positives and false negatives, and predictable human writing such as technical documentation, translated prose or house-style copy shows the same uniformity. The tool also does not check facts, sources or whether the wording appears on other pages.
What does an AI content checker result prove?
An AI content checker result proves only how the pasted text is built, meaning how many words it has, how often word forms repeat and how much sentence lengths vary. No conclusion about authorship follows from those numbers, so they must not decide a grade, a payment or a job. They support an editorial review.
Which rules does the AI content checker apply?
The AI content checker applies stated counting rules and no published detection standard. Repeated word-form share is the portion of word forms that repeat an earlier form. Sentence-length variation is the standard deviation of sentence lengths divided by their average, shown as a percentage. No hidden model score is involved.
How can you verify an AI content checker result yourself?
Verify an AI content checker result by counting by hand on a short passage. Count the words, count the sentences, and divide to get the average words per sentence. Subtract the number of distinct word forms from the total and divide by the total to get the repeated share. The figures should match the tiles after rounding.
What does a typical AI content checker finding look like?
A typical AI content checker finding is a product description in which every sentence runs to about the same length and the same few nouns recur. The tiles show a low sentence-length variation and a high repeated word-form share. The useful response is to vary the rhythm and wording, not to question the author.
Is the AI content checker free?
The AI content checker is free and works without an account. Because the analysis runs in the browser, there is nothing to sign in for and the text is not uploaded. A free Novaverb account is needed only when the work moves from one passage to a site, with saved evidence and monitoring over time.
What does a Novaverb workspace add to the AI content checker?
A Novaverb workspace adds the drafting side that the AI content checker does not cover. AI Content is the workspace product for drafting answer-ready content, briefs, titles and articles grounded in the project's own SEO data, so writing starts from evidence about the site instead of from a blank page.
When is a free AI content checker not enough?
A free AI content checker is not enough when the question covers every page of a site and not one passage. Reviewing content across a whole site, tracking how pages change over time, or turning a content finding into a task that is rechecked needs a crawl of the site and a workspace that saves the evidence.
What should you do after running the AI content checker?
After running the AI content checker, reread the passages behind the strongest signals. Vary sentence length, replace repeated words, and check every claim against its source. Then paste the revised text again to see how the values moved, and run a separate duplicate-wording check before publishing if originality matters.
Which free tools pair with the AI content checker?
The AI content checker pairs with the Plagiarism Checker, the Word Counter and Text Compare. The Plagiarism Checker searches selected sentences for matching published sources, the Word Counter adds character, paragraph, reading-time and word-frequency counts, and Text Compare shows every added, removed and unchanged line or word between a draft and its revision.
What do people ask about the AI content checker?
People ask the AI content checker FAQ whether it can detect AI with certainty, which signals it measures, why detectors are often wrong, whether search engines penalize AI-assisted content, what to do with a high signal, whether it may be used to grade a writer or student, and whether the text is uploaded.
Can it detect AI with certainty?
No. AI detectors can produce false positives and false negatives. This tool deliberately reports measurable writing signals instead of pretending to know authorship.
What signals does this tool actually measure?
Four counts: the share of word forms that repeat an earlier form, the number of words, the average words per sentence, and how much sentence length varies around that average. These are properties of the text you can verify yourself - not a hidden model score you have to take on trust.
Why do AI detectors get it wrong so often?
They score how predictable text is, and plenty of human writing is predictable: technical documentation, translated prose, a non-native speaker writing carefully, or anything edited to a house style. Those are exactly the passages that get wrongly flagged.
Does Google penalize AI-generated content?
The bar that matters is whether a page is genuinely useful to the person who searched for it, not which tool typed it. Content produced at scale to game rankings is the problem; an AI-assisted page that answers the question well is judged like any other page.
A high signal was returned - what should I do with it?
Read the passage, not the numbers. A high repeated word-form share or a low sentence-length variation means recurring vocabulary or sentences of similar length, which is worth editing whoever wrote it. Treat it as a prompt to review, never as an accusation about a person.
Can I use this to grade a writer or a student?
No, and it is not built for that. No detector can prove authorship, so a decision affecting someone's grade, pay or job must not rest on one. Use it to improve a draft, not to judge the person who submitted it.
Is my text uploaded?
No. The analysis runs in your browser and the text is not sent to Novaverb.
Is my data uploaded anywhere?
No. This generator runs fully client-side in your browser. Nothing you type is sent to a server, so it is safe to use on private content.
Is it really free?
Yes, with no account. A Novaverb workspace is only needed when you want your live site crawled, the results kept and changes tracked over time.