Text Manipulation Tools
Free online text tools — change case, diff two files, count words and characters, test regular expressions, find and replace, sort lines, remove duplicates and analyse word frequency.
10 tools · free · no sign-up
Case Converter
camelCase, snake_case, SCREAMING_SNAKE, kebab & more
Text / JSON Diff
Side-by-side line & word diff viewer
Word Counter
Count words, chars, lines & paragraphs
Regex Tester
Test regular expressions with live match highlighting
Find & Replace
Find, replace and regex-substitute across text
Sort Lines
Sort, reverse or shuffle lines of text
Remove Duplicates
Remove duplicate or empty lines from text
Add Prefix / Suffix
Prepend or append text to every line
Text Reverse
Reverse characters, words or line order
Word Frequency
Count how often each word appears