Upper case
Labels & alerts
HELLO WORLD
Six formats at oncePrivate by design
String Case Converter
Type once and compare upper, lower, title, camel, kebab, and snake case—ready to copy wherever your words need to go.
Paste a heading, filename, label, or code-friendly phrase.
0 words · updates instantly
Try an example:
Processed only in this browserReady-to-copy results
Choose the format that fits
Lower case
Normalized text
hello world
Title case
Headings & names
Hello World
Camel case
Variables & methods
helloWorld
Kebab case
URLs & CSS
hello-world
Snake case
Data & scripts
hello_world
A practical guide
Choose a text case by where the words will live
Letter case is more than appearance. It helps readers scan a heading, tells a programming language where one word ends and another begins, and keeps filenames or data fields consistent. This converter shows six versions together so you can compare them before copying the one your destination expects.
How to use the case converter
- 1
Paste once
Enter a phrase, label, filename, or identifier in the input box.
- 2
Compare all six
Every output updates together, so there is no format menu to manage.
- 3
Copy the right fit
Use the copy icon on the result that matches your code or content style.
One phrase, six different jobs
Start with release status report. The best output depends on whether a person or a program will read it.
Upper case
RELEASE STATUS REPORTShort alerts, compact labels, or text that must match an uppercase convention.
Lower case
release status reportNormalized comparisons, informal text, and systems that expect lowercase input.
Title case
Release Status ReportSimple headings, menu labels, document names, and presentation titles.
Camel case
releaseStatusReportVariables, object properties, and function names in many codebases.
Kebab case
release-status-reportReadable URLs, CSS classes, package names, and web-friendly filenames.
Snake case
release_status_reportDatabase columns, environment-style identifiers, and many data or scripting conventions.
What the converter changes
- Upper and lower case preserve the original spacing and punctuation while changing letters.
- Title case treats whitespace-separated text as words and capitalizes the first character of each word.
- Camel, kebab, and snake case use separators to find word boundaries and produce identifier-friendly output.
- Kebab and snake case remove most punctuation instead of placing it inside the identifier.
Check these details before copying
- Title case here is a predictable capitalization tool, not a publisher-specific editorial style guide.
- An acronym such as API may become Api or api when the selected format normalizes the phrase.
- Existing mixed-case words are normalized, so add spaces or separators when you need a reliable new word boundary.
- For identifiers containing accented or non-Latin characters, confirm that the destination system accepts the result you copy.
A simple decision rule
If people will read the phrase, start with title, upper, or lower case. If software will read it as one identifier, use the convention already established by that language, framework, database, or project. Consistency with the surrounding system is usually more valuable than choosing a theoretically perfect format.
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