Text Tools
Word Counter
Count words, characters, sentences, paragraphs, and reading time for essays, articles, and social posts.
Trending569 users/month
Standalone
One-click conversion between every common text case: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. Preserves emojis and punctuation, with batch and clipboard support.
DEV-TOP · horizontalText
Convert text between 11 common case styles. Output updates as you type.
UPPER CASE
Every letter uppercase.
—lower case
Every letter lowercase.
—Title Case
Capitalises every word.
—Sentence case
Capitalises the first letter of each sentence.
—camelCase
First word lowercase, subsequent words capitalised.
—PascalCase
Every word capitalised, no spaces.
—snake_case
Lowercase words joined by underscores.
—kebab-case
Lowercase words joined by hyphens.
—CONSTANT_CASE
Uppercase words joined by underscores.
—aLtErNaTiNg cAsE
Alternating upper and lower per character.
—InVeRsE CaSe
Swaps every character's case.
—DEV-MID · rectangleBuilt for everyday work
Case Converter runs entirely in your browser — files never leave your device.
No signup, no upload queue, no captcha. Use Case Converter and move on with your day.
Mobile, tablet, desktop, and offline (PWA). Install once, use everywhere.
No premium tier, no per-use fees. Optional ads keep the lights on; you keep the tool.
Getting started
Case Converter loads instantly on this page — no download or signup. Once it ships, it'll run entirely inside your browser.
Type, paste, or upload what you need. Convert text to uppercase, lowercase, title case, sentence case, camelCase, and snake_case instantly.
Use the result right away, copy it to your clipboard, or bookmark this page so you can come back without searching.
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