Case Converter
UPPER, lower, Title, camelCase, snake_case & more
What is Case Converter?
Case Converter is a free online text tool from Farvixo that lets you UPPER, lower, Title, camelCase, snake_case & more. It updates as you type and runs entirely in your browser, so the text is never transmitted. There is no length limit imposed by a server, no account and no cost — use it as often as you need.
How to use Case Converter
Paste or type into Case Converter. Nothing is sent anywhere — the text stays in your browser.
Pick the options you want. Case Converter updates the output as you type, so you can see the effect immediately.
Take the result to your clipboard or save it as a file. Unlimited use, no account needed.
Frequently Asked Questions
What is the difference between Title Case and Sentence case?
Title Case capitalises the significant words — "How to Convert a PDF". Sentence case capitalises only the first word and proper nouns — "How to convert a PDF". Publications differ on which small words to capitalise, so follow whichever style guide you are writing to.
Which case should I use for code?
Follow the language convention rather than personal preference: camelCase for JavaScript and Java variables, snake_case for Python and SQL, kebab-case for CSS classes and URLs, PascalCase for classes and React components.
Why should URLs use kebab-case?
URLs are case-sensitive on most servers, and underscores are visually lost when a link is underlined. Lowercase words separated by hyphens avoid both problems, and search engines treat hyphens as word separators.
Is my text uploaded?
No. Conversion happens as you type, in your browser, with no length limit and nothing transmitted.
Does it handle non-English text?
Yes. Case conversion follows Unicode rules, so accented Latin, Greek and Cyrillic convert correctly. Scripts without letter case, such as Devanagari and Bengali, are left unchanged.
What you can use Case Converter for
- Writers and students checking length against a word or character limit
- Cleaning up text pasted out of a PDF, email or spreadsheet
- Reformatting a list or block of copy before publishing it
- Comparing two drafts to see exactly what changed
Case Converter at a glance
- Tool
- Case Converter — Text Tools
- Purpose
- UPPER, lower, Title, camelCase, snake_case & more
- Input
- Text or values you enter directly
- Output
- Transformed text, ready to copy or download
- Processing
- In your browser — files are never uploaded to a server
- Price
- Free, unlimited, no account required
- Limitations
- Bounded by your device's memory and CPU rather than a server quota
Tips for better results
- Text pasted from Word or a PDF often carries invisible characters; clean it before counting or comparing.
- Character counts differ between platforms — some count emoji as one character, others as two.
- The result updates live, so you can adjust the input and watch the output rather than re-running the tool.
Common problems and how to fix them
The count does not match another tool
Tools differ on whether line breaks, trailing spaces and emoji count. Check which rule the platform you are targeting applies.
Formatting was lost on paste
This is a plain-text tool by design. Apply formatting after transforming the text in your editor.
Strange symbols appear in the output
The source contained smart quotes, non-breaking spaces or zero-width characters. Strip them first, then re-run.
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