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Generate one or many UUID v4 values in-browser and copy individual IDs or the whole batch.

Turn a title or phrase into a lowercase, hyphenated slug that is ready for URLs or route names.

Convert text into sentence case, title case, camelCase, snake_case, kebab-case, and CONSTANT_CASE.

Validate JSON, then view copyable pretty-printed and minified output without switching to another editor.

Encode plain text into Base64 or decode Base64 back into readable text with inline error handling.

Encode or decode URL-safe text using standard percent-encoding so query strings and shared links stay valid.