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Text and Writing Tools

Hashtag Counter

Use this hashtag counter to clean up TikTok, Instagram, LinkedIn, and social captions before publishing.

Last reviewed June 6, 2026Assumptions visibleFree tool

Live calculator

Hashtag counter

Hashtags0

0 unique hashtags.

Hashtag characters0

Counts hashtags plus spaces between them.

Detected hashtags
HashtagLength
No hashtags found0

Quick answer

Hashtag Counter: what it counts

Hashtag Counter counts hashtag count from caption or post text. The visible counting method is Hashtag count = number of # tags detected in the text.

Count outputHashtag count
InputsCaption or post text
Counting methodHashtag count method

Counting method

Hashtag count method

Hashtag count = number of # tags detected in the text

The tool also shows unique hashtags and repeated hashtags so crowded captions are easier to clean up.

How to use

Steps

  1. Paste the caption, post, or draft.
  2. Review total hashtags, unique hashtags, repeats, words, and characters.
  3. Remove repeated or irrelevant tags.
  4. Check the platform-specific caption length if the post also has a character limit.

Example

Sample count

Hashtags8 total
Unique7 unique
Repeated1 repeat

Counter use

Best for

  • Use this hashtag counter to clean up TikTok, Instagram, LinkedIn, and social captions before publishing.
  • Reviewing the visible counting method and assumptions before relying on the hashtag count.
  • Comparing the output with the sample count and benchmark table before using it elsewhere.
  • Writing, editing, naming, or formatting content for a specific platform or constraint.

Before relying on it

Check first

  • Using the hashtag count before confirming the visible inputs match the same task and context: caption or post text.
  • Ignoring that the tool also shows unique hashtags and repeated hashtags so crowded captions are easier to clean up.
  • Relying on the number without checking whether the visible assumptions match the real-world task.
  • Counting drafts with hidden boilerplate, copied notes, or placeholder text still included.

Details

What to know before using the output

Scenario inputscaption or post text

Keep caption or post text aligned to the same scenario so hashtag count represents a consistent calculation.

Method checkHashtag count method

The tool applies Hashtag count = number of # tags detected in the text to the entered values, then keeps hashtag count, examples, assumptions, and limits visible for review.

Benchmarks

How to read the output

0 - 3 tags: Light use.

Often enough when the caption itself explains the topic.

4 - 10 tags: Moderate use.

Can work for discovery if the tags are specific and relevant.

Repeated tags: Clean up.

Duplicate tags rarely add value and make captions look messy.

Method and limitations

Methodology and assumptions

Counting method

Hashtag count = number of # tags detected in the text

Inputs used

Caption or post text

Limitations

Text results depend on platform limits, pasted boilerplate, formatting, and the final human review before publishing.

Last reviewed

June 6, 2026

Cite this page

Toolkit Shelf. Hashtag Counter. Last reviewed June 6, 2026. https://toolkitshelf.com/tools/hashtag-counter

FAQ

Common questions

What counts as a hashtag?

The counter detects words that start with # and use letters, numbers, or underscores.

Does it tell me which hashtags will rank?

No. It counts and cleans up tags. Platform performance still depends on content, audience, niche, and timing.

Why count unique hashtags?

Unique count helps catch repeated tags that slipped into a caption during editing.

Do text tools publish final copy?

No. Treat generated or checked text as a draft. Review tone, factual accuracy, claims, brand voice, platform fit, and any legal or policy requirements.

Why should platform limits be rechecked?

Platforms can change limits, truncation behavior, display formats, and policy rules, so verify important posts in the publishing interface.

Do text tools replace editing?

No. They check length, structure, formatting, and counts. Tone, clarity, factual accuracy, and brand fit still need a human review pass.