String Length Calculator
Analyze string length, byte size, and character composition.
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Characters
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Bytes (UTF-8)
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Words
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Lines
Character Breakdown
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Letters
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Uppercase
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Lowercase
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Digits
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Spaces
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Special
Why Calculate String Length?
String length calculation is essential for developers working with database fields, APIs with character limits, SMS messages, or any application with text constraints. Understanding byte size is crucial for UTF-8 encoded systems.
Characters vs Bytes
A character count tells you how many symbols are in a string, but byte size matters for storage and transmission. ASCII characters use 1 byte each, but Unicode characters (like emojis or non-Latin scripts) can use 2-4 bytes each in UTF-8 encoding.
Common Use Cases
- Twitter/X: Character limit checking (now 280 chars).
- SMS: 160 character limit for standard SMS.
- Databases: VARCHAR field size validation.
- APIs: Request body size limits.
- SEO: Meta title (60 chars) and description (160 chars) limits.
Character Breakdown Explained
- Letters: A-Z and a-z characters.
- Digits: Numbers 0-9.
- Spaces: Includes spaces, tabs, and newlines.
- Special: Everything else (punctuation, emojis, symbols).