How to use AI Caption & Hashtag Generator
- Describe the postSay what the photo or video shows and what you want people to do.
- Pick platform and styleChoose the platform, tone and number of hashtags, then press Write captions.
- Copy your favouritePick one of the three captions, adjust it to your voice and copy it into the app.
Common uses
- Write captions for product photos and launches.
- Promote an event, an offer or a new blog post.
- Find relevant hashtags for a post.
Frequently asked questions
How do I use AI Caption & Hashtag Generator?
1. Describe the post: Say what the photo or video shows and what you want people to do. 2. Pick platform and style: Choose the platform, tone and number of hashtags, then press Write captions. 3. Copy your favourite: Pick one of the three captions, adjust it to your voice and copy it into the app.
Which platforms does it support?
Instagram, TikTok, LinkedIn, Facebook and X. The style and length adapt to the platform you choose.
Are the hashtags tested for reach?
No. They are relevant suggestions, not live trend data. Check a few in the app before you use them and skip any that are unrelated.
Can it write in other languages?
Yes. Choose an output language, or keep Same as my input to get the result in the language you write in. English, Spanish, French and German work best.
How often can I use it for free?
Every visitor gets 3 free AI uses per day, shared by all GigaTools AI tools, with up to 1,000 words per request. Running the exact same request again does not use up another one.
What happens to my text?
It is sent to Cloudflare Workers AI, which runs the AI model that writes the result. GigaTools keeps no history linked to you; a result may be cached for up to 24 hours so an identical request is answered without a new AI run. Do not paste personal or confidential information.