QuizFlex · Free for classrooms

AI tools for teachers and students

No signup, no paywall, no data collection. Each tool runs in your browser so the text you paste never touches our servers.

  • Free foreverNo paywall
  • Private by designNothing uploaded
  • Runs in your browserText stays on-device

All tools

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AI Text Detector

Estimate the probability that text was written by AI. Transparent heuristics: burstiness, lexical diversity, common AI phrasing, punctuation patterns. Honest about its limits.

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Teacher favourite

Random Student Name Picker

Paste your class roster and pick a random student. Includes no-repeat fair-call mode, multi-pick, and locally saved class rosters. Names never leave your browser.

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For students

Word & Character Counter

Live word, character, sentence, and paragraph counts plus reading and speaking time estimates. Set an essay word goal to track progress.

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For students

Grade Calculator

Three calculators in one: test grade percentage, weighted course grade with multiple assignments, and the score you need on your final exam to hit a target.

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For research

Citation Generator (APA, MLA, Chicago)

Generate properly formatted bibliography entries and in-text citations for books, journal articles, websites, and YouTube videos in APA 7, MLA 9, or Chicago 17.

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For writers

Reading Level Analyzer

Paste any text and get instant Flesch-Kincaid Grade Level, Flesch Reading Ease, SMOG Index, ARI, and Coleman-Liau scores. Free, fully private - text never leaves your browser.

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For classrooms

Cursive Worksheet Generator

Read, trace, and write in 4 cursive styles (Zaner-Bloser, D'Nealian, natural, elegant). Pick a silly sentence or use your own, set ruled lines, then print or download a PDF.

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For early learners

PreK Worksheet Generator

Print free no-prep worksheets for PreK/K: ABC tracing, letter sorting, number tracing, color-by-number, shape sorting, counting graphs - 9 activity types across 4 categories.

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For editors

Text Compare & Diff

Compare two drafts or files with a line-by-line diff, unified view, and similarity at a glance. All processing in your browser - nothing is uploaded to our servers.

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For lesson planning

Bloom's Taxonomy Verb Generator

Pick a cognitive level (Remember, Understand, Apply, Analyze, Evaluate, Create) and get the action verbs you need to write strong learning objectives. Free for educators.

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For assessment

Rubric Generator

Build editable analytic rubrics for essays, projects, presentations, labs, and more. Choose 3–5 performance levels, edit criteria inline, copy as Markdown or print.

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For communication

Parent Email Writer

Draft professional parent emails from scenarios: positive notes, missing work, behavior, conferences, progress updates. Choose warm, professional, or firm tone - edit and send.

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For SPED teams

IEP Goal Writer

Scaffold SMART-style measurable annual goals from domain, skill, baseline, target, measurement, and timeframe. Copy into your district IEP system after team review.

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For formative assessment

Exit Ticket Maker

Generate exit slip prompts for lesson closure - retrieval, transfer, and reflection - tuned to grade band. Copy or print; builds formative checks in seconds.

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For literacy

Vocabulary List Maker

Paste spelling or unit words, alphabetize optionally, and export a study list or Markdown table with blank columns for definitions and example sentences.

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Want to turn your text into a full quiz?

These tools cover analysis. Use the same text with the QuizFlex AI quiz generator - multiple choice, true/false, short answer, and more. Free, no credit card required.

Generate a quiz from any text

Frequently Asked Questions

Are these tools really free with no signup?▾

Yes, every tool on this page is 100% free with no account, email, or credit card required. They run entirely in your browser so your data stays private.

Is my data stored or sent to a server?▾

No. All processing happens locally in your browser using JavaScript. Text you paste never leaves your device or touches our servers. Nothing is logged, tracked, or stored.

Can I use these tools on a phone or tablet?▾

Yes. Every tool is fully responsive and works on phones, tablets, Chromebooks, and desktops. No app download needed - just open the page in any modern browser.

Who are these tools for?▾

Teachers, students, tutors, parents, curriculum designers, and content creators. Tools like the rubric generator and exit ticket maker are designed for educators, while the word counter, grade calculator, and citation generator help students.

How are these different from the QuizFlex AI quiz generator?▾

These standalone utilities handle one specific task each (readability analysis, AI detection, rubric building, etc.) and require no account. The AI quiz generator creates full assessments from PDFs, videos, or text and requires a free account for personalized features.

Can I suggest a new tool?▾

Absolutely! We regularly add new tools based on teacher feedback. Use the feedback form in your dashboard or email us at support@quizflex.ai with your idea.