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Free X (Twitter) caption generator
A caption has one job: get the first line read, then earn the next action, whether that is a save, a comment or a click. The generator writes three different captions for your post, each shaped to the platform's length limits and habits, with relevant hashtags.
Generate X (Twitter) captions
Free: 2 runs a day without an account, 10 a month with a free account.
Your result will appear here.
X (Twitter) at a glance
| Caption / post length | Up to 280 characters |
|---|---|
| Hashtags | 1 or 2 hashtags at most |
| Formats | Short posts, threads, images and short video |
| Image size | 1600 × 900 (16:9) or 1080 × 1080 for images |
| Good times to start with | Consumer: weekdays 9 AM–12 PM Business: weekdays 8–11 AM Local business: weekdays 11 AM–1 PM |
| Strongest days | Tuesday to Thursday |
Standard accounts get 280 characters per post; longer ideas work better as a thread than as one long post. Platform limits change from time to time, so check the app if a number matters.
X (Twitter) captions by niche
Questions
How many hashtags should I use on X (Twitter)?
Use 1 or 2 hashtags at most. Tags work best when they describe the post, not when they are added for reach alone.
What is the X (Twitter) character limit?
Captions or posts on X (Twitter) allow up to 280 characters. Standard accounts get 280 characters per post; longer ideas work better as a thread than as one long post.
When is the best time to post on X (Twitter)?
Good starting points: weekdays 9 AM–12 PM for consumer audiences, weekdays 8–11 AM for business audiences. Strongest days are usually Tuesday to Thursday. Test these, then keep what wins in your own analytics.
Is the X (Twitter) caption generator free?
Yes. You can run it 2 times a day without an account, or 10 times a month with a free account. For more, credit packs start at $6 for 30 runs, and Pro is $29 a month for 1,500 runs.