Text Case Converter
Convert text between UPPER, lower, Title, Sentence, camelCase and snake_case instantly.
About This Tool
The TulTek Text Case Converter lets you switch between six common text formats in one click. Whether you need UPPERCASE for headings, Title Case for names, camelCase for variable naming, or snake_case for file names — this tool handles it instantly. No signup, no ads, runs entirely in your browser.
When Do You Need a Text Case Converter?
Text case conversions are a daily task for developers, writers, and content creators alike. A programmer might need snake_case for Python variables and camelCase for JavaScript. A designer might need Title Case for headings and Sentence case for body copy.
Manually converting text is error-prone and tedious. A single tool that handles all common formats saves hours over the course of a project. TulTek's converter is particularly useful when migrating data, cleaning scraped content, or preparing copy for publication.
The six supported formats are: UPPERCASE (all letters capitalized), lowercase (all letters small), Title Case (each word capitalized), Sentence case (only the first letter of each sentence capitalized), camelCase (common in JavaScript and Java), and snake_case (common in Python, SQL, and file naming).
All conversions run in your browser — your text is never sent to a server. Copy the result directly from the output area with a single click.
Frequently Asked Questions
Does the tool handle punctuation correctly?
Yes. Sentence case respects periods, exclamation marks, and question marks as sentence boundaries. Other conversions leave punctuation unchanged.
Can I convert very long texts?
Absolutely. The tool runs entirely in your browser and can handle texts of any length without performance issues.
Is my text sent to a server?
No. All conversions happen locally in your browser using JavaScript. Your text is never transmitted anywhere.