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String Length

Calculate character and byte length

Input Parameters

Configure the system requirements below.

Instructions & Terms

What is a String Length Checker?

A string length checker measures the number of characters and bytes in any text. It's essential for database fields, form validation, and programming.

How to Use This Tool

Paste or type any text to instantly see character count, byte count, and word count.

Metrics Measured

  • Characters (with/without spaces)
  • Bytes (UTF-8 encoded)
  • Words
  • Lines

Common Uses

  • Form validation limits
  • Database field sizing
  • Social media limits
  • Programming

FAQ

Why byte count matters?
Some systems limit by bytes, not characters. UTF-8 uses 1-4 bytes per character.