Convert Capital Letters to Lowercase
Convert CAPITAL letters to lowercase instantly. Also supports UPPERCASE, Title Case, Sentence case, alternating case, and more.
How the Case Converter Works
This tool transforms your text using common casing rules. Choose a mode and the output updates immediately.
It’s perfect for converting capital letters to lowercase, formatting titles, or preparing text for code and identifiers.
- Lowercase: Converts all letters to lowercase.
- UPPERCASE: Converts all letters to uppercase.
- Title / Sentence: Formats text for headings and sentences.
- snake_case / kebab-case: Formats text for identifiers and URLs.
- Local: Runs in your browser (no uploads).
When You Should Convert Text Case
Case conversion helps you standardize text quickly for writing, SEO, documentation, and development.
Use lowercase for readability, Title Case for headings, and snake_case or kebab-case for code and slugs.
- Editing: Fix ALL CAPS or inconsistent capitalization.
- Content: Format headings and paragraphs consistently.
- Development: Generate snake_case or kebab-case identifiers fast.
FAQ
How do I convert capital letters to lowercase?
Paste your text in the input and select the “lowercase” option. The output updates instantly with your text converted to lowercase.
Does this tool change text automatically?
Yes. The output updates as you type and when you click different case options—no generate button required.
Is my text uploaded or stored?
No. Everything runs locally in your browser and nothing is uploaded or saved.
What’s the difference between Title Case and Sentence case?
Title Case capitalizes each word, while Sentence case capitalizes only the first letter (and lowercases the rest).
Can I convert to snake_case or kebab-case?
Yes. Use the snake_case or kebab-case options to join words with underscores or hyphens.