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How to use hashtags on Instagram

Get your carefully curated pictures noticed on the 'gram.

Published onMay 10, 2023

If you’ve been using social media for any reasonable length of time, you will have come across the term ‘hashtag.’ It’s to social media what peanut butter is to bread. But not too many people fully understand what a hashtag is, how to select the right ones for their posts, and how to use hashtags to their full potential. Knowing these things though could make the difference between going viral and going down in flames. Here is how to use hashtags on Instagram.


Hashtags are search shortcuts meant to make it easier for someone to find the content they're looking for based on a keyword. You should insert them into your social media posts to make them more discoverable, both by users and the social media platform itself.


What are hashtags on Instagram?

A hashtag, in simple terms, is a search keyword preceded by a # symbol (the hash). Entering a # before the keyword on social media immediately makes that keyword clickable and brings together all of the posts tagged with that word in one place.

For example, if I wanted to look for pictures of dogs on Instagram, I would put into the search engine — #dogs.

instagram hashtag search

As you can see, some hashtags are used more than others. Almost 155 million images are tagged with the #dogs hashtag, whereas #dogslife ‘only’ has 21 million. So, if you’re posting pictures of your dog, the key is to find a hashtag that’s busy but not that busy. If you only slap #dogs on it and call it a day, your masterpiece image will be lost in a sea of 155 million other images. We’ll go into this a bit more later in the article.

If you are simply looking for pictures with a particular hashtag, click on the one you want to be taken to the page containing images with that hashtag. Alternatively, on the desktop, go to to get a direct link to the hashtag page.

instagram hashtag results page

If you want, you can click the Follow button to get all images with that tag to appear in your feed. But as I said before, if you choose a heavy traffic tag, be prepared for a flood of images to hit your screen.

Why use hashtags on Instagram?

im bored hashtag

What we have discussed so far should already give you a pretty good idea of why you should use hashtags on Instagram. It all comes down to visibility and promotion.

  • Your image will appear on the hashtag page along with all the others. Anyone subscribing to that hashtag will see it (even if they don’t follow you.)
  • If you are a company, you can build marketing campaigns and user-generated content around hashtags. For example, hashtags can be made from a company’s current marketing slogan. You can tell customers to tag their images with your custom-made hashtag.

How to use hashtags on Instagram

Instagram stock image 13
Edgar Cervantes / Android Authority

We’ve just gone over how to use hashtags from a user perspective. We’re now going to go over how to use it if you’re an Instagram content creator.

instagram hashtags in comments

There is no actual section in the Instagram post creation process for hashtags, so there are two competing fields of thought. One side thinks you should place the hashtags in the image description. The other side thinks you should post the image first, then post the hashtags as a comment.

Wherever you decide to put them, let’s look at two ways to find the best hashtags and insert them effortlessly.

The desktop method

There are lots of desktop hashtag generators if you search on Google, but the best one I’ve found by far is Display Purposes. Just start typing some general keywords into the search engine and Display Purposes will start generating more underneath.

display purposes

Obviously, some are going to be completely irrelevant, as well as some being in foreign languages and some duplicates. So it’s best to switch to Manual in the Tag Selection box. If you then scroll a bit further down, you’ll see all the generated hashtags with checkboxes next to them.

display purposes edit

Deselect the ones you don’t want and the list up top will update immediately. If you want to see popularity stats for a particular hashtag, mouse over the colored bar next to the checkbox.

display purposes stats

When you have your list, click the green Copy Mode button up top, and this will copy all of the hashtags to your clipboard. You can then CTRL+V (or CMD+V on a Mac) to paste them right into your Instagram post.

display purposes copy hashtags

The mobile device method

hashtag key

Most Instagram users are on their mobile devices, so it makes sense to have an app to do this for you. The best one is Hashtag Key, although the iOS version seems to have disappeared. The Android version of Hashtag Key is still available, though. iOS users can use something like Hashtag Expert, which works more or less along the same lines as Hashtag Key.

Hashtag Key is integrated into your device’s keyboard, and you can flip between keyboards at will. You can save groups of hashtags so that it’s a simple case of tapping each one to enter them into your Instagram post.


Instagram imposes a hard limit of 30 hashtags on a post and 10 hashtags on a Story. But most users agree you shouldn’t use all 30 just because you can. Only select the ones that make sense.

Simply by typing one into your post. If it hasn’t been created already, then using it for the first time ‘creates’ it.

To access analytics, you need to change your account to a professional account or a creator account. This is free and can be done in Settings.

The most popular Instagram hashtag is #love (2.1 billion, at the time of writing this article.)

Yes! When you create Instagram Reels or add to your story, you can use a hashtag and viewers will be able to click it; your Reels can also be found by others via hashtags. You can even use hashtags to get more responses on your Instagram Polls, if you’re hurting when it comes to sample size!

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