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Hashtag Counter & Analyzer Count and analyze hashtags in your text with platform limit checking and duplicate detection.

Hashtag Counter illustration
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Hashtag Counter

Count and analyze hashtags in your text with platform limit checking and duplicate detection.

1

Paste your text

Enter text containing hashtags.

2

View analysis

See total count, unique count, duplicates, and platform limit checks.

3

Optimize your tags

Use the analysis to stay within platform limits and remove duplicates.

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What Is Hashtag Counter?

A Hashtag Counter is a digital tool that analyzes any given text to count, categorize, and evaluate hashtags, helping users understand their hashtag usage. Social media managers use it to optimize their posts on platforms like Instagram, Twitter, LinkedIn, and TikTok, solving the specific problem of exceeding platform limits or wasting space with duplicate tags. For instance, the Hashtag Counter helps determine how many hashtags to use on Instagram without going over the 30-tag limit.

It goes beyond simple counting by identifying unique versus duplicate hashtags, allowing users to refine their hashtag strategy and avoid repetition. The tool also checks counts against each platform's recommended limits, including the Instagram hashtag limit of 30 tags, Twitter's best practice of 1-3 tags, LinkedIn's 3-5 tags, and TikTok's 5-tag limit. This functionality makes it a valuable hashtag analyzer for social media optimization.

What sets this tool apart is its ability to perform length analysis, calculating the average length of unique hashtags, as well as identifying the longest and shortest hashtags used. It also functions as a hashtag duplicate checker, highlighting tags that appear multiple times in a given text. By using it, users can gain insights into their hashtag usage and make informed decisions about their social media strategy, ensuring they stay within limits like the TikTok hashtag limit while maximizing their online presence.

Why Use Hashtag Counter?

  • Instant total and unique hashtag counts
  • Duplicate hashtag detection
  • Platform-specific limit checking for Instagram, Twitter, LinkedIn, and TikTok
  • Length analysis showing average, longest, and shortest hashtags
  • Frequency count for repeated hashtags

Common Use Cases

Post Review

Verify hashtag counts before publishing to avoid exceeding limits.

Content Audit

Analyze hashtag usage patterns across multiple posts.

Template Checking

Validate caption templates have appropriate hashtag counts.

Team Collaboration

Standardize hashtag usage across social media team members.

Technical Guide

The tool uses regex pattern matching to identify hashtags — sequences beginning with # followed by word characters and Unicode characters. It performs case-insensitive deduplication to identify truly unique hashtags. Platform limits: Instagram allows 30 hashtags (5-15 recommended), Twitter best practices suggest 1-3, LinkedIn recommends 3-5, and TikTok works best with 3-5. Exceeding these limits doesn't always cause errors but can reduce reach or trigger spam filters. The tool also analyzes hashtag length — excessively long hashtags (20+ characters) are harder to read and less likely to be searched, while very short ones (under 5 characters) may be too generic.

Tips & Best Practices

  • 1
    Remove duplicate hashtags to maximize your effective tag count
  • 2
    Keep hashtags under 20 characters for readability and searchability
  • 3
    Use this tool to check hashtag counts in your caption templates
  • 4
    Stay within platform-recommended limits for best algorithmic treatment
  • 5
    Mix hashtag lengths — some short and memorable, some descriptive and specific

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Frequently Asked Questions

Q What happens if I use too many hashtags on Instagram?
Instagram allows up to 30. Using more causes the caption to fail to post. Using 15-30 may reduce reach compared to 5-15 well-chosen tags.
Q Does the counter detect hashtags in different cases?
Yes, the counter treats #Marketing and #marketing as the same hashtag for duplicate detection while preserving your original casing.
Q Are emojis supported in hashtags?
The tool detects standard hashtags with word characters. Some platforms support emoji hashtags but they have limited discoverability.

About This Tool

Hashtag Counter is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.