Hashtag Generator

Free hashtag generator: extract relevant hashtags from any text for Instagram, Twitter, TikTok, and LinkedIn. Filters stop words and common terms automatically.

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This tool has a free JSON API. Copy a prompt or skill below to use it with ChatGPT, Claude, or any AI agent — no API key needed.

API docs
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How hashtag generator works

Hashtags help your content get discovered on social media. This generator analyzes your text, extracts the most meaningful words, filters out common stop words (the, and, is, etc.), and converts them into hashtags ready for Instagram, Twitter, TikTok, and LinkedIn.

The generator removes words shorter than 3 characters, pure numbers, and common English stop words. It keeps unique words only and sorts them by relevance. You can control the maximum number of hashtags generated.

For best results, use descriptive text that relates to your content. The generator works best with 5-20 words of relevant text. Copy the generated hashtags and paste them into your social media posts to increase discoverability.

Frequently asked questions

How does the hashtag generator work?
It extracts words from your text, removes stop words (common words like the, and, is), filters out short words and numbers, and converts the remaining relevant words into hashtags. Only unique words are kept.
How many hashtags should I use?
Instagram allows up to 30 hashtags per post, but 5-15 relevant ones perform best. Twitter has a 280-character limit, so 2-3 is ideal. The generator lets you control the maximum count.
Does it work for all social media platforms?
Yes. The hashtags work on Instagram, Twitter, TikTok, LinkedIn, Facebook, and any platform that supports hashtags. The format is the same everywhere: #word.
Why are some words filtered out?
Common words (the, a, is, and), very short words (under 3 characters), and pure numbers are filtered out because they do not add value as hashtags. The generator keeps only meaningful, relevant words.