Upper/lower, title case, camelCase, kebab-case, snake_case, CONSTANT_CASE, etc.

Sort, deduplicate, remove blank lines, trim each line, reverse line order.

Lines, characters, words, UTF-8 bytes, grapheme clusters.

Literal or regex replacement with configurable flags.

Split into multiple lines by delimiter, or join lines with delimiter.

Match, groups, and highlight preview.

Line-level difference between two texts (diff).

Generate Latin placeholder paragraphs.

Convert title to URL-friendly slug.

Caesar cipher shift 13 (applying twice restores original).

Strip tags via DOMParser and extract visible text.

Add spaces or tabs before each line, or strip leading whitespace.

Ascending/descending and natural sort (numbers by value).

Add sequential numbers with width and custom separator.

Re-wrap paragraphs at given character width (UTF-16 count).

Convert Chinese characters to Pinyin.

Convert between Simplified and Traditional Chinese.

Mask sensitive information with custom keep positions.

Browse, search, and copy emojis by category.

Chinese synonym/antonym lookup with built-in dictionary.

Generate numeronyms like i18n, l10n, a11y.

Convert text to ASCII art banner.

Automatically add spaces between CJK and half-width characters.

Use { { variable } } syntax with auto-detection and batch fill.

Defang URLs for safe sharing, with refang support.