Flat Case Converter — Free Online Tool
Last updated: January 2025
What is Flat Case Converter?
flatcase converts all text to lowercase with no separators whatsoever — just onecontinuousword.
When to use Flat Case Converter?
Use flatcase for some URL slugs, package names, simple identifiers, and database table names in specific systems.
How to use this tool
- 1Paste your text
- 2Click 'Convert' to get flatcase
- 3Copy the compact identifier
Examples
| Input | Output |
|---|---|
| Hello World | helloworld |
| my variable name | myvariablename |
| background-color | backgroundcolor |
| User Account | useraccount |
| api_key_value | apikeyvalue |
Rules & Behavior
- All characters are lowercase
- No spaces, hyphens, underscores, or dots
- Only letters and numbers are kept
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Frequently Asked Questions
What is flatcase?
flatcase is a naming convention where all words are run together in lowercase with no separators — just one continuous string like helloworld.
When is flatcase used?
Some URL schemes, npm package names, Golang package names, and certain database systems use flatcase for short identifiers.
Is flatcase hard to read?
Yes, flatcase sacrifices readability for compactness. It's best used for very short identifiers (1-2 words) or when other constraints require it.
How is it different from camelCase?
camelCase uses capital letters to mark word boundaries (helloWorld). Flatcase has no such markers (helloworld).
Does it remove numbers?
No, numbers are preserved in flatcase output. Only spaces and special characters are removed.