What you can do
- Convert into eight common cases with one click.
- Optional trim and space normalization before conversion.
- Monospace outputs with per-line copy buttons.
- All processing stays in the browser for privacy.
Convert text
Paste text
Clean the text, then convert. Everything stays on your device.
Converted cases
UPPER CASE
lower case
Title Case
Sentence case
snake_case
camelCase
kebab-case
CONSTANT_CASE
How to use this tool effectively
Use this page when you need quick casing variants from one source text. Paste once, keep the optional cleanup settings simple, and compare outputs side by side before you copy the version you need.
Recommended workflow
- Paste the original text and decide whether you want to trim leading/trailing spaces.
- Enable space normalization only when you want repeated spaces and line breaks collapsed before conversion.
- Review title case and sentence case separately, because they solve different writing tasks.
When to review manually
- Proper names, acronyms, and brand styling may need a manual pass after conversion.
- Text with multiple languages or unusual punctuation can split words in a different way from your style guide.
- Use the copy buttons after you confirm the exact output you want.
Frequently asked questions
Will my text leave the browser?
No. All conversions run locally in your browser, so clipboard text or drafts never leave your device.
How do trim and normalize options work?
Trim removes whitespace at the start and end. Normalize spaces collapses multiple spaces or line breaks into a single space before converting.
Why do title case and sentence case look different?
Title case capitalizes the first letter of each word, while sentence case only capitalizes the first letter at the start of a sentence.
Will punctuation or underscores be preserved?
Basic separators such as spaces, hyphens, and underscores are used to split words, so the converted outputs can change their placement depending on the target case.
Can I use this for style guides or publication rules?
It is best for fast drafting and cleanup. If you follow a strict editorial style guide, review the final result manually before publishing.