Idea generator

18 Short Story Ideas Prompts

These prompts create a starting constraint, question, or situation. Use one as written, combine two, or change the audience, setting, objective, or limitation to make a new exercise.

Choose a random prompt from the bank.
Prompt 1

Write a story in which someone receives a receipt for a purchase they have not made yet.

Prompt 2

Two people meet to exchange keys, but each thinks the keys open a different place.

Prompt 3

A character finds a voice memo recorded in their own voice that they do not remember making.

Prompt 4

Write about the last customer in a business that will close permanently at midnight.

Prompt 5

A person agrees to return one borrowed object and discovers the owner has changed the terms.

Prompt 6

A neighborhood tradition continues after everyone has forgotten who started it—except one person.

Prompt 7

A character must decide whether to correct a mistake that benefits someone they love.

Prompt 8

Write a story that begins with a package delivered to the correct address but the wrong decade.

Prompt 9

Someone recognizes a stranger from a family photograph taken before the stranger was born.

Prompt 10

A routine inspection reveals a room that appears on no building plan.

Prompt 11

A character hears their own name used in a conversation between two people who should not know them.

Prompt 12

Write about a small contest whose prize becomes much more important after the contest begins.

Prompt 13

A person is asked to write an apology for someone else and realizes the facts are not what they were told.

Prompt 14

During a reunion, one guest follows a seating chart that no one else can see.

Prompt 15

A character has one hour to decide which of two true stories to tell publicly.

Prompt 16

Write a story in which a weather warning is accurate for only one house on the street.

Prompt 17

A stranger offers to return a memory the protagonist did not know was missing.

Prompt 18

End a story with a character deliberately leaving the one question they came to ask unanswered.