String Length Online | Free Text & Character Counter Tool

Use our free online string length calculator to count characters, words, and spaces instantly. Simple and accurate tool for developers, writers, and SEO professionals

Text analysis updates in real-time as you type
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Characters
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Characters (no spaces)
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Words
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Lines
Text Statistics
Paragraphs:
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Sentences:
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Bytes (UTF-8):
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Reading Time:
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Averages
Chars per word:
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Words per line:
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Words per sentence:
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Sentences per paragraph:
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Most Common Words
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Character Analysis
Longest word:
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Unique words:
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Uppercase:
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Lowercase:
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Numbers:
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Special chars:
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Export Analysis:
Use Cases:
Content Writing:
Check word count, reading time, and character limits for articles, blog posts, and social media content.
Academic Writing:
Analyze essays, papers, and assignments for word counts, sentence structure, and readability.

What Is String Length?

In computer science, a string is a sequence of characters, which may include letters, numbers, symbols, and spaces. The string length is simply the number of characters in that sequence.

For example:"Hello" has a length of 5."Hello World!" has a length of 12 (including the space and exclamation mark).

How Online String Length Tools Work

  1. You paste or type your text into the input box.
  2. The tool calculates the total number of characters instantly.

Conclusion: Why String Length Online Tools Matter Today

In today’s digital-first world, text length plays a crucial role in everything from programming to social media engagement. String length online tools provide a fast, reliable, and accessible way to measure text without needing coding knowledge or specialized software.


Whether you’re a developer debugging code, a writer optimizing content, or a social media user staying within character limits, these tools make life easier by ensuring precision and saving time.


The best part? They’re free, lightweight, and available anywhere you have internet access. By using them effectively, you can avoid common errors, streamline your workflow, and stay confident that your text always meets the right requirements.

Key Features

  • Live character & word counting
  • UTF-8 byte length support
  • Works with long text & code

It counts characters (with and without spaces), words, line breaks, and UTF-8 byte size.