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Convert text to sentence case: the first letter of each sentence is capitalized.

Convert phrases and identifiers into CONSTANT_CASE — common for env vars and constants.

Convert phrases and identifiers into camelCase — common in JavaScript and TypeScript.

Convert phrases and identifiers into PascalCase — common for types and components.

Convert phrases and identifiers into snake_case — common in Python and databases.

Convert phrases and identifiers into kebab-case — common in URLs and CSS.

Roll one or more dice (d4 through d20) in your browser. Rolls and the total appear instantly.

Pick random names from your list, or from a built-in sample. Results appear instantly. Use Regenerate to draw again.

Generate random integers in a range using Web Crypto. Results appear instantly. Use Regenerate to draw again.

Convert text between camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. Type or paste below — the result updates as you type.

Generate placeholder paragraphs, sentences, or words for mockups. The sample appears as soon as you pick an amount.

Reverse an entire string, reverse line order, or reverse each line. The result updates as you type.

Convert any text to lowercase instantly. Type or paste below — the result updates as you type.

Convert any text to UPPERCASE instantly. Type or paste below — the result updates as you type.

Convert text to Title Case by capitalizing the first letter of each word.

Sort lines alphabetically A–Z or Z–A. Type or paste below — the result updates as you type.

Add or remove line numbers using 1, I, i, A, or a. The result updates as you type.

Find plain text and replace all matches in your browser.

Compare two texts and highlight added, removed, and edited parts.

Measure words per minute and accuracy against a sample paragraph.