All 15 Tools
Case Converter
UPPER, lower, Title, Sentence, Toggle, camelCase, snake_case, kebab-case
Word & Char Counter
Count words, characters, lines, sentences and paragraphs in real time
Frequency Analyzer
Rank word and character frequency — find overused terms instantly
Duplicate Highlighter
Highlight or remove duplicate words and duplicate lines
Whitespace Cleaner
Trim lines, collapse double spaces, convert tabs to spaces
Empty Line Remover
Delete blank and whitespace-only lines from any text block
Line Sorter
Sort A-Z, Z-A, by length, reverse, or shuffle randomly
Number to Word
Spell out numbers in English — or parse written numbers back to digits
T9 Converter
Encode and decode text to classic mobile keypad number sequences
Morse Code
Encode text to dots and dashes or decode Morse back to plain text
Braille Translator
Turn text into six-dot braille or read braille back as text
NATO Phonetic
Convert text to NATO spelling (Alpha Bravo Charlie…) and back
Upside Down Text
Flip text using Unicode characters — paste anywhere
Text Reverser
Reverse characters, word order, or line order in one click
Password Generator
Generate high-entropy passwords with real-time crack-time analysis
Tool Guides
Free Online Case Converter: How to Switch Between UPPERCASE, lowercase, Title Case and More
Accidentally left Caps Lock on? Retyping to fix capitalization wastes hours. Learn how an online case converter handles all 8 formats in one click.
Free Secure Password Generator: High-Entropy Passwords with Crack-Time Analysis
Weak passwords are still the #1 cause of account breaches. Understand password entropy, crack times, and why client-side generation keeps you safe.
Word Frequency Analyzer: Find Overused Words and Fix Your Writing Instantly
Every writer has crutch words. A frequency analyzer turns that blind spot into objective data, letting you swap repetitions for vivid vocabulary.
From the Blog
From Caesar to Enigma: A Short History of Secret Codes
Caesar's shift, al-Kindi's frequency analysis, the misnamed Vigenère cipher, Louis XIV's Great Cipher and how Polish and British codebreakers beat Enigma.
From Able Baker to Alfa Bravo: The History of the NATO Phonetic Alphabet
From 1920s city-name alphabets and WWII Able Baker to ICAO's linguist-tested list and the 1956 final version, plus why it's Alfa and Juliett.
Merry Christmas in 160 Characters: The History of Texting
Why SMS stops at 160 characters, the first text in 1992, multi-tap misery, how T9 predictive text took over, and the 140-character legacy.