No. 05 · PDF, image, text and code

Text case converter

Typed a heading with Caps Lock on, or need a variable name in snake_case? Paste the text and convert it to any of 12 cases in one click.

Free · no sign-up · runs in your browser · updated 15 Nov 2026

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What is a case converter?

A case converter changes the capitalisation of text without retyping it: all capitals, all small letters, sentence case, title case, or programmer styles such as camelCase and snake_case that also remove spaces.

Features

12 cases including Title Case with small-word rules
Programmer cases: camel, Pascal, snake, kebab, CONSTANT
Copy with one click

How to use the case converter

Paste your text.
Tap the case you want.
Copy the result.

Which case when

Title Case for headings and book titles.
Sentence case for body text and most UI labels.
camelCase for JavaScript variables, snake_case for Python and databases, kebab-case for URLs and CSS classes.

Frequently asked questions

Does it keep line breaks?

Yes for the text cases. Programmer cases join words, so they are meant for short names.

Last updated 15 November 2026. Made by Criza Labs. Spotted a mistake? Tell us.

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Made by Criza Labs

Need a custom tool for your team or customers?

Criza Labs builds tools like this into websites, billing systems and internal apps: with your branding, your data and your workflow. Fixed scope, fixed price, and you own the code.

contact@criza.dev See Criza Labs' work