Case Converter

Browse, sort and regex-filter huge CSV files locally with paging.

Validate, pretty-print and minify JSON.

Sort, deduplicate, reverse, shuffle and count lines.

Test regular expressions and inspect matches and groups.

Line-by-line comparison of two blocks of text.

Reveal code points and spot homoglyphs and invisible characters.

Break down a cron expression field by field.

Character, word, line counts and reading time.