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Free Instagram Hashtag Generator: Relevant Hashtags in Seconds

An Instagram hashtag generator gives you relevant hashtags for your post from your topic and niche. Type what your post is about, pick your niche, and start with the recommended focused set rather than a wall of thirty. Instagram now rewards relevance over volume, and a mix of broader and tighter tags reaches the most of the right people. This runs in your browser and stores nothing.



Recommended set (start here)

Wider list (pick the ones that fit)




Why a focused set beats thirty random tags

For years the advice was to jam all thirty hashtag slots, and it stopped working. Instagram now treats hashtags as a signal of what your post is about, so irrelevant ones can actually dampen your reach by confusing that signal. A tight set of hashtags that genuinely describe the post, mixing a few broad niche tags with tighter keyword ones, tells Instagram exactly who to show it to. That is what this tool builds: a recommended set to start with, and a wider list to pick from.

More free Instagram and content tools

Pair this with my Instagram font generator and caption generator, and find the rest on my free tools page.

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This guide is part of my Instagram Help: 81 Guides to Followers, Hashtags, Money, Accounts and Fixes. Test your set first with my free hashtag checker.

Frequently asked questions

How many hashtags should I use on Instagram?

You can add up to thirty, but more is not better any more. Instagram now leans on relevance, so a focused set of ten to fifteen genuinely relevant hashtags usually does better than thirty random ones. Start with the recommended set this tool gives you, then add a few from the wider list only if they truly fit.

Where should I put my hashtags, in the caption or a comment?

Either works and the reach is about the same. Many people put them in the first comment to keep the caption clean. What matters more is that the hashtags actually describe the post, because irrelevant tags can hold your reach back rather than help it.

Should I mix big and small hashtags?

Yes. Very popular hashtags bury your post in seconds, while smaller, more specific ones give you a real chance to be seen and even to sit on the top posts. This tool mixes broader niche tags with tighter, keyword-based ones so you get both.

Does this Instagram hashtag generator use AI or store my data?

No. It runs in your browser and builds the hashtags from your topic, a curated set for your niche, and a few reach tags, so nothing is sent or saved. It gives you real, readable hashtags, not invented trend data.

Do the same hashtags work for Reels and posts?

Mostly yes, and relevance is what counts for both. For Reels, lean a little more on the niche and topic tags so the right audience finds it. Avoid repeating the exact same block on every upload, because varying your tags looks more natural and reaches new pockets of people.


Further reading

More on this here: Facebook Reels hashtag generator.

Published and maintained by the Lilach Bullock team, covering marketing, AI and business growth.
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