Letido Logo
Letido

Connection Lost

Your device went offline. Browser-based tools that already loaded may keep working, while network-assisted tools need a connection.

Offline-Ready Tools

Converters & Extractors
Calculators & Formulas
Base64 & JSON Parsers
Password & Hash Keys

Text Case Converter Online - 12 Case Styles Free

Convert text between 12 case styles: UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case and more. Free browser tool.

New
Browser-based
Browser-basedRuns in your browser

No file upload is required for the standard workflow. Processing happens in the current browser session unless you choose a separate account or export feature.

How it works

Text Case Converter converts your text between 12 different case styles with one click. Whether you need UPPERCASE for headings, camelCase for JavaScript variables, snake_case for Python, or kebab-case for CSS class names and URLs, this tool handles them all. The converter intelligently splits existing camelCase, PascalCase, snake_case, and kebab-case input so you can switch between styles without manually reformatting. All processing is local.

1. Upload / Input

Type or paste your text into the editor.

2. Browser Process

Click any case button to convert instantly.

3. Save Output

Copy or download the converted text.

Why Use This Tool

  • ✓UPPERCASE, lowercase, Title Case, Sentence case
  • ✓camelCase and PascalCase for developers
  • ✓snake_case and kebab-case for code and URLs
  • ✓SCREAMING_SNAKE_CASE for constants
  • ✓aLtErNaTiNg CaSe and iNVERSE CaSe
  • ✓dot.case for configuration keys
  • ✓Detects and splits existing camelCase/snake_case input
  • ✓Live preview, copy, and download

Perfect For

  • 1Converting variable names between programming conventions.
  • 2Creating URL slugs from article titles in kebab-case.
  • 3Fixing heading capitalization with Title Case.
  • 4Generating CSS class names from component names.

Processing & Safety Note

This tool page uses the browser-based workflow described above for standard use. Account saving, AI tools, downloaders, and Temp Mail have separate handling notes.

Recommended Workflow

Developer Utility Chain

JSON Formatter & Beautifier
JSON Validator Online
Online JWT Decoder
Base64 Encoder & Decoder

Helpful Guides

How to Use Text Case Converter Online: A Complete Guide

Read Guide →

Base64 Encoding: Convert Text and Images Instantly

Read Guide →

How to Compress PDF Online Free Without Losing Quality

Read Guide →

Trust & Security Standards

12 Case Styles

Covers everyday cases like Title and Sentence as well as developer-specific formats like camelCase and snake_case.

Smart Input Parsing

Handles existing camelCase, PascalCase, snake_case, and kebab-case input automatically.

Browser-Only

No text is sent to any server. All conversion runs in JavaScript in your browser.

Live Statistics

Word, character, and line counts update in real time as you type.

FAQ

The Text Case Converter supports 12 styles: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE_CASE, aLtErNaTiNg CaSe, iNVERSE CaSe, and dot.case.
camelCase joins words with no spaces and capitalizes the first letter of every word except the first. Example: 'hello world' becomes 'helloWorld'. It is widely used in JavaScript variable and function names.
snake_case joins words with underscores and uses all lowercase. Example: 'hello world' becomes 'hello_world'. It is used in Python variable names, database columns, and file names.
Yes. The converter detects existing camelCase, PascalCase, snake_case, and kebab-case patterns and splits them into words before applying the selected case style.
No. Text conversion runs entirely in your browser. Your input is never sent to any server.

Related tools

Discover similar tools in this category.

Word & Character Counter

Count words, characters, sentences, reading time and keyword density in your text.

Open Tool

Whitespace & Text Cleaner

Remove extra spaces, fix smart quotes, clean tabs, and strip non-ASCII characters from pasted text.

Open Tool

Sort Lines Alphabetically

Sort list lines alphabetically A→Z, Z→A, by length, reverse, or randomize. Remove duplicates on the fly.

Open Tool

Text Reverser Online

Flip your text backwards or upside down.

Open Tool

Duplicate Line Remover

Strip duplicate lines from your text list.

Open Tool

Popular Tools

Trending utilities loved by other users.

Merge PDF Online

Combine multiple PDF files into one single document instantly.

Open Tool

PDF to JPG Converter

Convert each PDF page into a high-quality JPG image.

Open Tool

Compress PDF Online

Reduce PDF file size without losing quality.

Open Tool