// Free Online Tool

Text Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, or snake_case with one click. Paste your text and select the format you need.

// Overview

WHAT IS A TEXT CASE CONVERTER?

A Text Case Converter transforms text between different capitalisation styles instantly. Different contexts require different text cases — headings use Title Case, code variables use camelCase or snake_case, formal writing uses Sentence case, and legal or form contexts may use ALL CAPS.

Manually converting large blocks of text is tedious and error-prone. Our tool handles any amount of text with a single click. Six conversion modes cover the most common cases used in writing, coding, data analysis, and social media content creation.

// Cases

WHEN TO USE EACH CASE

  • UPPERCASE: Headings, acronyms, legal definitions, form labels, warning messages
  • lowercase: URLs, email addresses, usernames, hashtags, file names
  • Title Case: Book titles, article headings, product names, movie titles
  • Sentence case: Regular sentences, email body, social media captions
  • camelCase: JavaScript/Java variables — firstName, totalAmount, isLoggedIn
  • snake_case: Python variables, SQL column names — first_name, total_amount

// Use Cases

USE CASES

  • Developers converting variable names between language conventions
  • Writers formatting headings consistently throughout documents
  • Students fixing accidentally CAPS LOCK text
  • Data analysts cleaning up inconsistent dataset column names

// FAQ

FREQUENTLY ASKED QUESTIONS

How do I convert text to all caps?
Paste text and click UPPERCASE.
What is camelCase?
camelCase starts with lowercase, each subsequent word capitalised — firstName, totalAmount. Standard in JavaScript and Java.
What is snake_case?
All lowercase with underscores — first_name, total_amount. Standard in Python and SQL.
Can I convert multiple paragraphs?
Yes. Paste any amount of text — multiple paragraphs are all converted at once.