Is the AI hashtag generator free?

Yes — 100% free, no signup, no usage limits.

Does it save my data?

No. Inputs are processed in your browser and never uploaded to a server.

Can I use it on mobile?

Yes. The interface is fully responsive and works on iOS and Android.

How many hashtags should I use?

Instagram allows up to 30 and 8–15 is the current sweet spot; TikTok 3–6; Twitter/X 1–2; LinkedIn 3–5; YouTube 3–5 in the description. The tool gives you a larger pool so you can pick.

Are the hashtags actually relevant?

The model groups them into broad reach, niche, and long-tail buckets and ranks by topical match. It is not connected to live trending data, so verify the very top hashtags before posting.

AI Hashtag Generator — Instagram, TikTok, X, LinkedIn, YouTube

Describe your post, pick a platform, and get 20–30 hashtags grouped into broad-reach, niche, and long-tail buckets. BYOK OpenAI.

OpenAI API Key

Your key is stored only in your browser (localStorage) and sent directly to the provider. We have no backend, so it never touches our servers. Get an OpenAI API key.

How to use

Step 1: Paste an OpenAI API key
Step 2: Describe your post in one or two sentences
Step 3: Pick a platform
Step 4: Copy the hashtags you want

Frequently asked questions

A tool that takes a post description and returns a curated mix of broad, niche, and long-tail hashtags for your chosen social platform.