AI Fill in the Blanks Generator

Turn Any Text Into Cloze Tests with a Word Bank

Stop hunting for words to blank. Give a topic or paste your text—AI writes fill-in-the-blank sentences with an optional word bank and an automatic answer key.

Free · 3 a day, no sign-upHow it works
Fill in the blanks
Difficulty
How many sentences

Free, no account needed — 3 a day.

No sentences yet

Give a topic or paste your material above. Nothing is saved to our servers.

Keep your questions

Save these sentences, then send them to your class

No account needed, and nothing is saved on our servers — your last set stays in this browser. An account is for what happens after: keeping the set, sharing it, and seeing how it went.

  • Save sets and come back to them
  • Share a link students answer online
  • Auto-marked results, per question
Start free

Free plan · no card needed

Getting better results

  • Paste the passage you taught from. The sentences then use your wording, which is what students will recognise.
  • Read each sentence with the blank filled and with it empty. If grammar alone gives it away, change the blank.
  • Add a word bank at the top for younger classes — it turns recall into recognition and lifts the floor.

How to use it

How it works

From content to a first-draft quiz in 4 steps, in about a minute.

  1. 1

    Paste your content

    Add any text—articles, textbook passages, vocabulary lists, or study notes.

    5 seconds

  2. 2

    AI identifies key terms

    Our AI analyzes your content and intelligently selects which words to blank based on importance.

    15 seconds

  3. 3

    Customize & add hints

    Edit any sentence or answer, turn the word bank on or off, or replace a single sentence.

    1 minute (optional)

  4. 4

    Export with answer key

    Download as PDF or Word with answers included, or export to your LMS.

    5 seconds

What you get

Why use our Fill in the Blanks Generator?

  • Smart Word Selection

    AI identifies pedagogically important terms—vocabulary, key concepts, and contextually significant words.

  • Adjustable Difficulty

    Choose easy, medium or hard and a grade level, and add a word bank to turn recall into recognition.

  • Word Bank Generator

    Turn on the word bank and the answers are listed, shuffled, above the sentences—on screen, in print and in the PDF.

  • Export Anywhere

    Download as PDF, JSON, Word or Moodle, all free.

  • Any Content Source

    Works with articles, textbooks, study guides, vocabulary lists—paste any text content.

  • Multi-Language Support

    Write the sentences in English, Spanish, Filipino, French, German, Portuguese, Italian or Hindi.

  • Replace One Sentence

    Not happy with a sentence? Replace just that one; the rest of the set stays as it is.

  • Answer Key Included

    Every export includes a separate answer key. Perfect for self-study or easy grading.

What Is a Fill-in-the-Blanks Generator?

A fill-in-the-blanks generator, also called a cloze test maker, automatically identifies key terms in your content and creates sentences with strategic blanks.

The AI analyzes your source text to determine which words and phrases are most important for comprehension. It then removes those key terms and generates fill-in-the-blank questions that test whether students can recall the correct terminology in context. This type of assessment is particularly effective for reinforcing subject-specific vocabulary, testing factual knowledge, and building reading fluency across all grade levels and subjects.

Where to put the blank

A fill-in-the-blank sentence tests one thing, and which thing depends entirely on which word you remove. Remove a content word — the process, the structure, the term — and you are testing whether the student knows the material. Remove a function word, or a word the rest of the sentence makes grammatically inevitable, and you are testing whether they can read. Both produce a sentence with a gap in it; only one produces evidence. The blank is the question, and everything around it is context.

The failure to watch for is a sentence that answers itself. 'The process by which plants make food from sunlight is called _____' has a single possible filling for anyone who has met the word once, which is fine for a starter and useless for an assessment. The stronger version removes a word the student must have understood something to supply, and leaves enough context that a student who did understand can supply it. Read each sentence twice — once with the answer in place and once without — and change any where the grammar, the article or the sentence's own definition hands it over.

Everything here runs without an account, three a day, and nothing is saved to our servers. For a version where students choose rather than recall, the MCQ generator writes multiple choice from the same material, with a printable answer key.

Frequently asked questions

Got questions? We’ve got answers.

A fill-in-the-blanks generator automatically creates cloze-style questions by identifying key terms in your content and replacing them with blanks. Students must recall and fill in the missing words, testing their understanding and memory.

The AI picks the terms that matter for understanding—key vocabulary, concepts and the words a student must know to make sense of the sentence—and leaves enough context that someone who understood can supply them.

Yes. Choose easy, medium or hard and a grade level, and turn the word bank on for younger classes. You can also edit any sentence and move the blank yourself.

Fill-in-the-blank questions are excellent for language learning (vocabulary, grammar), science (terminology), history (facts, dates), and any subject where recalling specific terms is important.

Yes! Export free to PDF, Word, Canvas, Moodle, and more. Our exports maintain proper formatting with answer keys included.

Yes. Turn on the word bank and the answers appear, shuffled, in a box above the sentences—on screen, in print and in the PDF.

Still have questions?

Our team is here to help. Email us at support@aiquizmaker.co

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