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Case Converter

Convert text between uppercase, lowercase, title case, snake_case, and more.

FREE

DeveloperUse via API or MCP

Case Converter is available via the lots.tools REST API and MCP server. Generate an API key to get started.

REST API

POST https://lots.tools/api/v1/tools/case-converter/execute

curl -X POST https://lots.tools/api/v1/tools/case-converter/execute \
  -H "Authorization: Bearer lt_<your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "text": "Enter text to convert...",
    "targetCase": "uppercase"
  }
}'

Input fields

texttextareaYour Text

Response

{
  "success": true,
  "output": { ... },
  "credits_used": 0,
  "execution_time_ms": 120
}

MCP Server

Connect once and all lots.tools are available as MCP tools — including Case Converter. Add to your MCP client config:

{
  "mcpServers": {
    "lots-tools": {
      "url": "https://lots.tools/mcp",
      "headers": {
        "Authorization": "Bearer lt_<your-api-key>"
      }
    }
  }
}

Works with Cursor, Claude Desktop, and any MCP-compatible client. The tool name in MCP is case-converter.

See the full tools list for schemas of all available tools. Credits are deducted per execution.

Case Converter

This free programmatic tool converts text between various case formats. It's an essential utility for developers, writers, and anyone needing to quickly reformat text.

What This Tool Does

The Case Converter takes your input text and transforms it into a specified case format. It supports a wide range of popular casing styles, making it versatile for different programming and content creation needs.

How It Works

Simply provide your text and select the desired output case format. The tool processes the input and instantly delivers the converted text. The conversion is performed programmatically, ensuring accuracy and efficiency.

Key Features

Multiple Case Formats: Convert text to uppercase, lowercase, title case, sentence case, snake_case, kebab-case, and toggle case.
Free to Use: Access all features without any cost.
Instant Conversion: Get results immediately after inputting your text and selecting the case.
Programmatic Accuracy: Reliable text transformation based on defined casing rules.

Who This Tool Is For

Developers: Ideal for reformatting variable names, function names, or string literals to adhere to coding standards (e.g., snake_case, kebab-case).
Content Creators: Useful for standardizing headings, titles, or large blocks of text into specific styles (e.g., Title Case, Sentence case).
Students and Researchers: For quickly cleaning and formatting text data.
Anyone needing quick text reformatting: A general utility for various text manipulation tasks.

FAQ

What case formats does this tool support?

This tool supports uppercase, lowercase, title case, sentence case, snake_case, kebab-case, and toggle case.

Is the Case Converter free to use?

Yes, this is a free programmatic tool.

What kind of input does the tool accept?

The tool accepts text as input, along with your selection for the target case format.

What is the output of the tool?

The tool outputs the original text converted to your selected case format.

Who can benefit from using this Case Converter?

Developers, content creators, students, researchers, and anyone who needs to quickly reformat text can benefit from this tool.