Change Text Case

Normalize inconsistent capitalization across plain text with one of four simple case-conversion modes.

It is useful for headings, names, labels, imported datasets, interface copy, and pasted content that mixes upper and lower case unpredictably.

Convert the entire text or adjust only the first letter of each word, then copy the cleaned version back into your workflow.

Input Text

Output Text

Options

Convert all letters to uppercaseConvert all letters to lowercaseCapitalize the first letter of each wordMake the first letter of each word lowercase

Actions

Frequently Asked Questions

When is this case converter most useful?: Use it when headings, labels, imported data, or copied text need consistent capitalization without manual editing.; Paste the text, choose whether you want every letter changed or only the first letter of each word adjusted, then click Convert Case.; This is especially handy for title cleanup, UI labels, CSV text columns, and content pasted from mixed sources.
What exactly changes during conversion?: The tool changes letter casing only. Numbers, punctuation, spaces, line breaks, and symbols stay as they are.; All-uppercase and all-lowercase modes transform every letter in the selection.; The first-letter modes change only the first character at each word boundary, which makes them better for title-style cleanup than full-case conversion.
How do the first-letter modes behave?: Capitalize the first letter of each word changes only that letter and leaves the rest of the word as it is.; The lowercase option does the opposite. It can help clean product feeds or names that start with inconsistent capitals.; Because only the first letter is targeted, existing capitals inside the word may remain if they were already there.
Which edge cases are worth checking after conversion?: Word boundaries are inferred from whitespace and punctuation, so hyphenated words, contractions, and mixed-format strings may not always match a style guide perfectly.; Accented and non-ASCII letters follow normal browser string behavior, which is usually fine but worth reviewing for multilingual text.; Very large text blocks still process locally in the browser and may take longer on older devices.
How is this different from Find and Replace?: Change Text Case transforms formatting across the whole input or across each word without caring what the words are.; Find and Replace is for swapping specific strings, such as replacing one phrase or label with another.; Choose this page when capitalization is the issue and the actual wording should stay the same.