Transform Text to 17 Case Styles
Convert text between camelCase, snake_case, Title Case & 14 more formats instantly. Perfect for developers and writers.
Rate this tool
(0)
Enter Your Text
Basic Cases
Programming Cases
Fun Cases
How to Convert Text Case Online for Free
Transform any text between 17 different case formats instantly with Filator's free case converter. Whether you're a developer formatting variable names in camelCase and snake_case, a writer perfecting title capitalization, or a content creator exploring creative text styles like SpOnGeBoB cAsE, our tool handles it all in under 100 milliseconds. No signup required, works offline, and 100% private.
Why Choose Filator's Case Converter?
17 Case Styles in One Tool
Most comprehensive converter with basic formats (UPPERCASE, lowercase, Title Case), programming styles (camelCase, PascalCase, snake_case, kebab-case), and creative options (SpOnGeBoB cAsE). Competitors offer 4-8 styles max.
100% Client-Side Processing
Your text never leaves your browser. All conversions happen locally, ensuring complete privacy. No data collection, no tracking, no server uploads. Works offline after initial page load.
Lightning Fast Conversion
Real-time conversion as you type with optimized algorithms processing thousands of characters in under 100 milliseconds. No loading screens, no delays, just instant results.
Perfect for Developers
Full support for programming naming conventions: camelCase (JavaScript), PascalCase (classes), snake_case (Python), CONSTANT_CASE (env vars), kebab-case (URLs), and more.
How to Convert Text Case Step-by-Step
- Enter Your Text: Type, paste, or upload a .txt file directly into the text area. The tool handles text of any length with optimized performance for documents up to 1 million characters.
- Select Your Case Style: Choose from 17 conversion options organized into three categories: Basic Cases (UPPERCASE, lowercase, Title Case, Sentence case), Programming Cases (camelCase, PascalCase, snake_case, CONSTANT_CASE, kebab-case, dot.case, path/case, Header-Case), and Fun Cases (Alternating Case, InVeRsE CaSe, SpOnGeBoB cAsE).
- Get Instant Results: Your text converts in real-time (under 100ms) with live statistics showing character count, word count, and sentence count. The result updates automatically as you type or change case styles.
- Copy or Download: Use the one-click copy button to paste converted text anywhere, or download as a .txt file for larger documents. Your conversion history is saved locally for quick access to recent conversions.
- Convert Again (Optional): Switch between different case styles instantly without re-entering text. Perfect for comparing formats or generating multiple versions for different platforms.
Filator vs Competitors Comparison
| Feature | Filator | ConvertCase.net | CaseConverter.com |
|---|---|---|---|
| Number of Case Styles | 17 styles | 8 styles | 4 styles |
| Completely Free | |||
| Works Offline | ✗ | ✗ | |
| No Ads | ✗ | ✗ | |
| File Upload Support | ✗ | ✗ | |
| Real-Time Statistics | ✗ | ||
| Programming Cases (camelCase, snake_case, etc.) | ✗ | ||
| Conversion History | ✗ | ✗ |
Advanced Features
- • Smart Title Case: Automatically handles articles (a, an, the), prepositions (of, in, on), and conjunctions (and, but, or) according to title capitalization rules, ensuring grammatically correct headlines.
- • Programming Case Formats: Full support for developer naming conventions including camelCase (JavaScript variables), PascalCase (class names), snake_case (Python variables), CONSTANT_CASE (environment variables), kebab-case (CSS classes, URLs), dot.case (object properties), path/case (file paths), and Header-Case (HTTP headers).
- • File Upload & Download: Upload .txt files for batch conversion and download results instantly. Perfect for converting documentation, code comments, or large text datasets.
- • Real-Time Statistics: Live character count, word count, and sentence count update as you type, helping writers meet specific length requirements and developers optimize code comments.
- • Conversion History: Access your last 10 conversions instantly from local storage. Perfect for comparing different case styles or retrieving recently converted text.
- • Special Character Preservation: Intelligently preserves numbers, emojis, punctuation, and special symbols while converting only letter cases, maintaining the integrity of formatted text.
- • Instant Copy to Clipboard: One-click copy button for frictionless workflow integration. Works across all modern browsers with automatic fallback for older systems.
- • Mobile-Optimized Interface: Responsive design works perfectly on smartphones and tablets, allowing case conversion on the go with touch-friendly controls.
Common Use Cases
For Developers
Convert variable names between camelCase, snake_case, and PascalCase for different programming languages. Format API endpoint paths with kebab-case, create CONSTANT_CASE environment variables, and generate consistent naming across your codebase in seconds.
For Writers & Content Creators
Perfect Title Case for headlines and articles, convert SHOUTING TEXT to professional lowercase, fix accidentally typed text with Caps Lock on, and ensure consistent Sentence case formatting across documents without manual editing.
For Social Media
Create attention-grabbing posts with SpOnGeBoB cAsE for mocking text, Alternating Case for artistic emphasis, or InVeRsE CaSe for creative expression. Stand out in crowded social feeds with unique text formatting.
For SEO & Marketing
Optimize URL slugs with kebab-case formatting, create consistent header formatting for better readability, ensure proper title capitalization for meta tags, and maintain brand voice consistency across all marketing materials.
Frequently Asked Questions
What is a case converter and why do I need one?
A case converter is a text transformation tool that changes the capitalization style of your text. Developers use it to convert between programming naming conventions (camelCase, snake_case, PascalCase), while writers use it for proper title formatting and sentence structure. It saves time by automating text formatting that would otherwise require manual editing.
How many case styles does Filator's case converter support?
Filator's case converter supports 17 different case styles including: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, CONSTANT_CASE, kebab-case, dot.case, path/case, Header-Case, Alternating Case, InVeRsE CaSe, and SpOnGeBoB cAsE. This makes it the most comprehensive free case converter available.
Is the case converter free to use without limits?
Yes! Filator's case converter is 100% free with no usage limits, no text length restrictions, and no hidden costs. There's no signup required, no premium upsells, and no restrictions on commercial use. All conversions happen in your browser, ensuring complete privacy.
Can I use the case converter offline?
Yes! Once the page loads, all case conversion features work completely offline. This is perfect for developers working in environments with limited connectivity or for users who prioritize privacy. Your text never leaves your device.
What's the difference between camelCase, PascalCase, and snake_case?
camelCase starts with a lowercase letter and capitalizes subsequent words (e.g., 'myVariableName'). PascalCase capitalizes the first letter of every word (e.g., 'MyClassName'). snake_case uses lowercase letters with underscores between words (e.g., 'my_variable_name'). Each has specific uses in programming: camelCase for variables/functions in JavaScript, PascalCase for classes, and snake_case for Python variables and database columns.
Does the case converter preserve special characters and emojis?
Yes! The case converter intelligently preserves all special characters, numbers, emojis, and punctuation marks while only transforming letter cases according to your selected style. This ensures your formatted text maintains its original meaning and structure.
Can I convert text from uploaded files?
Yes! You can upload .txt files directly to the case converter. The tool will extract the text, apply your chosen case style, and allow you to download the converted result. All file processing happens in your browser for maximum privacy.
How does Filator's case converter compare to competitors?
Unlike competitors that show ads, track users, or limit features behind paywalls, Filator offers 17 case styles (vs. competitors' 4-8), works completely offline, processes everything client-side for privacy, includes file upload support, provides real-time character/word counts, and maintains a clean, ad-free interface. Plus, it's 100% free forever with no signup required.
Ready to Transform Your Text in Under 100ms?
Join thousands of developers, writers, and content creators who use Filator's case converter daily for fast, private, and reliable text formatting. No signup required, works offline, completely free.
Start Converting Text Now →