Case Conversion Utilities

To Lower Case

Converts any text string to lowercase letters using Unicode-compliant transformation rules. Access via MCP in Cursor or Windsurf for instant case conversion, or call GET /v1/case/lower with your text. Perfect for normalizing user input, creating URL slugs, or standardizing data before comparison operations.

API Endpoint

GET /v1/case/lower

Code Examples

curl "https://tinyfn.io/v1/case/lower" \
  -H "X-API-Key: YOUR_API_KEY"
const response = await fetch('https://tinyfn.io/v1/case/lower', {
  headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
const data = await response.json();
console.log(data);
import requests

response = requests.get('https://tinyfn.io/v1/case/lower',
    headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)

Use via MCP

Add to your AI agent

Connect your AI agent (Claude, Cursor, Windsurf, etc.) to TinyFn's case conversion tools:

{
  "mcpServers": {
    "tinyfn-case": {
      "url": "https://tinyfn.io/mcp/case",
      "headers": {
        "X-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Learn more about MCP setup →

Related Tools

To Camel Case
Convert text to camelCase.
To Pascal Case
Convert text to PascalCase.
To Snake Case
Convert text to snake_case.
To Screaming Snake Case
Convert text to SCREAMING_SNAKE_CASE.
To Kebab Case
Convert text to kebab-case.
To Train Case
Convert text to Train-Case.
To Title Case
Convert text to Title Case.
To Sentence Case
Convert text to Sentence case.

FAQ

How do I convert text to lowercase using the MCP tool?

Simply call the tool with your text string as input. The MCP tool handles Unicode properly, converting accented characters like 'CAFÉ' to 'café' correctly.

Does the lowercase converter handle Unicode characters correctly?

Yes, it uses Unicode-compliant transformation rules. Characters like 'İ' (Turkish capital I) convert to 'i̇', and 'Ω' becomes 'ω' following proper Unicode standards.

Can I use this tool for normalizing user input in data processing workflows?

Absolutely. It's ideal for standardizing text before database operations, search indexing, or email address validation where case sensitivity matters.

What's the REST API endpoint for converting text to lowercase?

Send a GET request to /v1/case/lower with your text parameter. Returns the lowercase version immediately without any processing delays.

How does this compare to JavaScript's toLowerCase() method?

Both follow Unicode standards, but this tool provides consistent results across different environments and handles edge cases in locale-specific transformations more reliably.

Try To Lower Case Now

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