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How Many Hashtags to Use on LinkedIn (Free Hashtag Checker)

LinkedIn strategy
Stephen Zambaux
-
October 9, 2026

TABLE OF CONTENTS

Hashtags on LinkedIn help readers and the platform understand who a post is for. Used well, they are a small signal. Used badly, a block of generic tags makes a good post look like spam.

The LinkedIn Hashtag Checker counts your hashtags, flags the ones that work against you and suggests better ones from the words in your post. Free, no signup.

How Many Hashtags Should You Use on LinkedIn?

Three to five. Fewer leaves room to tell LinkedIn and readers what the post is about. More starts to read like spam and pushes readers away before they react. The checker tells you where you stand and how many you can add or remove.

What the Hashtag Checker Looks For

Generic hashtags

Tags like #business, #success or #motivation are crowded by huge numbers of posts, so yours disappears in them. The checker flags them and suggests swapping them for the topic of the post, your niche or your industry.

Duplicates

The same tag twice adds nothing. The checker lists every duplicate.

Very long hashtags

Nobody follows a hashtag that long. Shorten it to the core topic.

Hard-to-read hashtags

#customersuccessstrategy is hard to scan. Capitalise each word, like #CustomerSuccess, so readers and screen readers can split it.

Hashtags inside the text

Hashtags in the middle of a sentence break the reading. Group them on the last line.

Hashtag Ideas From Your Own Post

Paste the full post, not just the tags. The checker picks up the words you repeat and turns them into hashtag ideas. Pick the ones your readers would actually follow, and check each one in LinkedIn search before you use it.

A Simple Hashtag Routine

  • One hashtag for the topic of the post.
  • One or two for your niche or industry.
  • One for the audience you want to reach.
  • All on the last line, all capitalised by word.

Then check the rest of the post, hook, length and links included, in the LinkedIn Post Checker. If your posts still stall, read why your LinkedIn posts get no reach.

Try It, Then Give the Post a Strong First Hour

The LinkedIn Hashtag Checker is free and needs no signup. Keep the tags that tell readers who the post is for.

The first hour after you publish decides how far a post travels. Podawaa gets your post early reactions from real people in your field, so the algorithm sees interest while it still matters. The free plan boosts up to 5 posts a month, no card required. Start free.

Frequently Asked Questions

How many hashtags should I use on LinkedIn?

Three to five specific hashtags, grouped on the last line of the post.

Do hashtags still work on LinkedIn?

They are a small signal that tells LinkedIn and readers what a post is about. The post itself matters more, so keep them specific and few.

Should I use popular hashtags like #business?

Usually not. Very broad tags are crowded by huge numbers of posts. Specific tags about your topic or niche fit your post better.

Is the LinkedIn Hashtag Checker free?

Yes. It is free, needs no signup and runs in your browser.

Put this into practice

Your next post is the one to boost.

Publish as usual. Podawaa boosts each new post with likes and comments, delivered gradually and tracked in your dashboard.

Free plan, no card · 5 boosts a month · Cancel anytime

“With Podawaa, every post gets its first reactions within the hour, and the algorithm finally does the rest.”

Toinon Georget
Toinon Georget
CEO, Waalaxy & Kawaak