Sentence case
The quick brown fox jumps high. Capitalises only the first letter of each sentence. The standard for body text, emails, social media captions, and descriptive writing.
MotiveWork Free Tool
Text Case Converter
Paste your text below and click any format button to convert instantly — no sign-up, no server, everything runs in your browser.
All 11 formats supported
Every Text Case Format Explained
Knowing when to use each format saves hours of manual editing and prevents costly inconsistencies in your content or code.
UPPER CASE
THE QUICK BROWN FOX JUMPS HIGH. Converts every character to uppercase. Used for acronyms, strong emphasis, headings, and SQL reserved keywords.
lower case
the quick brown fox jumps high. Converts every character to lowercase. Common for normalising data, URLs, and cleaning text pasted from design tools.
Title Case
The Quick Brown Fox Jumps High Capitalises the first letter of most words, skipping minor words like "and", "the", and "of". Standard for article titles, blog headings, and product names.
camelCase
theQuickBrownFoxJumpsHigh First word lowercase, every subsequent word capitalised — no spaces. The default naming convention in JavaScript, Swift, Dart, and Java.
PascalCase
TheQuickBrownFoxJumpsHigh Every word starts with a capital letter, no spaces. Used for class names in C#, TypeScript, and React component names.
snake_case
the_quick_brown_fox_jumps_high Words joined by underscores, all lowercase. Standard for Python variables, Ruby methods, SQL column names, and file naming conventions.
kebab-case
the-quick-brown-fox-jumps-high Words joined by hyphens, all lowercase. Widely used for HTML class names, CSS IDs, URL slugs, and npm package names.
CONSTANT_CASE
THE_QUICK_BROWN_FOX_JUMPS_HIGH All uppercase letters with underscores. The universal convention for constants and environment variable names across most languages.
Alternating Case
tHe QuIcK bRoWn FoX Alternates between lowercase and uppercase on each character. Popular for memes, ironic emphasis, and playful creative content.
Inverse Case
tHE QUICK BROWN fOX Flips the existing case of every character — uppercase becomes lowercase and vice versa. Useful for inverting accidentally capped text.
Who uses it
Built for Writers, Developers & Marketers
Content Writers & Bloggers
- Fix pasted text that arrives in ALL CAPS from PDFs
- Ensure consistent heading and title formatting
- Clean up sentence capitalisation across long drafts
Developers & Engineers
- Convert variable names between snake_case and camelCase
- Prepare URL slugs and file names from prose titles
- Format SQL column names and constant identifiers
Digital Marketers & SEOs
- Format ad headlines and meta descriptions consistently
- Generate URL-friendly slugs from article titles
- Standardise keyword lists and content metadata
Students & Academics
- Format essay titles and citation entries correctly
- Clean up OCR text from scanned documents
- Prepare headings and subheadings for presentations
Common questions
Frequently Asked Questions
Is the Convert Case tool really free?
Completely free — no account, no login, no usage limits. Paste your text, click a button, and convert.
How much text can I convert at once?
There is no enforced limit. You can paste entire blog posts, code files, or lengthy documents and convert them instantly.
Does this tool save or store my text?
No. Every conversion happens entirely inside your browser. Your text is never sent to any server and is completely private.
What is the difference between Title Case and Sentence case?
Title Case capitalises the first letter of most words — "The Quick Brown Fox". Sentence case only capitalises the very first word of each sentence — "The quick brown fox".
When should I use camelCase vs snake_case?
camelCase (thisFormat) is the standard in JavaScript, Swift, and Java. snake_case (this_format) is preferred in Python, Ruby, and SQL. Your project's language or style guide should be the deciding factor.
Can I download the converted text?
Yes. Click the Download button after converting and the result saves as a plain .txt file to your device.
Does the tool work on mobile and tablet?
Yes — it is fully responsive and works on any modern device without installing anything.
Need Help Growing Your Business Online?
MotiveWork helps businesses rank higher, generate more leads, and convert clicks into revenue — with data-driven SEO and digital marketing.