Hashtag Generator

6 platforms, 6 categories, 2000+ curated hashtags. Pick a platform, type a topic, copy in one click.

0 tags
Instagram
Pick a platform, type a topic, click Generate.

Why this beats asking an AI chatbot

  1. Deterministic batch output - AI takes 5-10s and gives 5-10 tags. We give 5-50 tags in <50ms with reproducible seed.
  2. Platform rules baked in - Instagram cap 30, TikTok inline 3-5, Twitter 280-char limit. AI can't enforce deterministically.
  3. Six categories - Popular + Niche + Community + Location + Industry + Branding mixed by ratio. AI gives flat lists.
  4. Live character counter - Twitter/X 280-char post limit visible while you build the set.
  5. Zero upload - 2000+ hashtags embedded as JS constants. AI assistants call cloud APIs and log your topic.
  6. Free, no daily limit - regenerate all day, no signup, no watermark, no ads.

How the Hashtag Generator Works

The tool ships with 2,000+ curated hashtags across six platforms and six categories. The deterministic generator picks a seed-based mix from the selected categories, applies your length filter, enforces the platform cap, and de-duplicates. TikTok defaults to 5 inline, Instagram defaults to 15 (with a hard cap of 30), Twitter defaults to 2 (capped at the 280-character limit), LinkedIn defaults to 5, Facebook defaults to 3, YouTube defaults to 5. The hashtag library is embedded inline as JavaScript constants, so the page works offline once loaded.

Why AI Chatbots Cannot Replace This Tool

AI assistants in chat can suggest hashtags from a topic, but they do not enforce platform-specific rules, do not batch-generate with category ratios, do not deduplicate, do not show live character counts, and cannot guarantee reproducible output for the same prompt. The Hashtag Generator runs entirely in your browser with a fixed algorithm, so the same seed + same options always yield the same set. That determinism is what creator workflows need when they iterate captions across posts, A/B test variants, or share a hashtag set with a team.

Frequently Asked Questions

How many hashtags should I use per platform?

Instagram: 8-15 (we cap at 30 max). TikTok: 3-5 inline. YouTube: 3-5 (first 3 weighted). Twitter/X: 1-2. LinkedIn: 3-5 professional. Facebook: 2-5 contextual. The tool enforces platform caps automatically.

Are my topics uploaded to a server?

No. The 2,000+ hashtag library is embedded inline as JavaScript constants. Generation runs in your browser only. No analytics beyond Cloudflare Web Analytics, no API calls.

Can I add my own brand hashtags?

Yes. Type them in the "Add your own hashtags" field, separated by space or comma. They appear in every generation regardless of category filters.

Can I save favorite hashtags?

Click the star icon on any tag to add to session favorites. They persist in localStorage until you clear browser data. Click "Favorites" in the output header to view them.

What is a seed and why use it?

The seed gives reproducible output. Set the same seed + same options = same hashtag set every time. Useful for testing caption variants, sharing with teammates, or posting the same hashtag set to multiple accounts.

Does it work offline?

Yes. Once the page loads, all hashtags and the generator run offline. No server round-trip.

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