# Free Caption and Hashtag Generator for TikTok & Reels

> Create TikTok and Instagram captions with a benefit-led first line, a call to action and relevant hashtags for your app. Free, instant, no sign-up.

Free interactive tool: https://www.ottosocial.ai/resources/tools/social-caption-generator

## How to use it

1. Describe your app and the benefit in a few words.
2. Choose a platform and tone.
3. Copy the caption and hashtag set.

## What makes a good short-video caption?

Lead with the benefit, add one clear call to action and keep hashtags relevant. The caption supports the video, it does not repeat it.

## Hashtag tips

Use a mix of niche and category tags tied to your audience and avoid stuffing. Check the platform's current guidance on hashtag counts.

## Related

- [Instagram Reels for app marketing](/resources/blog/instagram-reels-for-app-marketing)
- [Character counter](/resources/tools/character-counter)

## Frequently asked questions

### How many hashtags should I use?

A handful of relevant ones is usually enough. Quality and relevance matter more than volume.

### Does the caption generator work for web apps and SaaS?

Yes. Describe the job your product does and the audience it serves.