Are these tools free?

Yes. Every tool on Unscramble Words 4U is free to use, with no account or sign-up.

Why do the buttons open another website?

The tools run on Unscramble Words 4U, Classfern’s sister site for word puzzles. Each Classfern page explains the tool and how to use it in lessons; the button opens the tool itself in a new tab.

Can pupils use them in other languages?

Yes, where a game or solver has a dictionary choice. The word games can use word lists in 21 languages, and the site’s pages are translated into 15 languages.

Word games, puzzles and codes

Classfern’s sister site, Unscramble Words 4U, has 65 free word games, puzzle solvers, word lists and code tools. Here’s what each one does, how to use it and how to turn it into a lesson.

15 languagesThe site itself is translated into English and 14 other languages.
21 word listsWord games and solvers can use word lists in 21 languages – brilliant for language learners.
Free, no sign-upNothing to install and no account. Searches run in your browser.
65 toolsSolvers, games, printable puzzles, word lists, ciphers and Morse code.

Each guide below explains one tool in plain English, with step-by-step instructions, tips and classroom ideas by key stage. When you’re ready to play or solve, the button opens the tool on Unscramble Words 4U in a new tab, so your Classfern page stays open.

Teachers use them for spelling and vocabulary starters, early-finisher activities, code-breaking in computing and history, and Morse code in science. Home-educating families use them for quick, screen-light practice that still feels like a game.

Learning a language? Take the language challengePlay a word game in the language you’re learning – the games work with word lists in 21 languages.

Word solvers and puzzle helpers

Word UnscramblerType a handful of letters and the Word Unscrambler shows you every real word hidden inside them. It is quick, free and handy for spelling games, puzzl Words from LettersWords from Letters lists every word you can build from the letters you type, from tiny two-letter words up to the longest possible. It makes a ready-m Anagram SolverThe Anagram Solver rearranges a word or a jumble of letters into every other word it can become. It is a neat way to explore spelling, letter patterns Anagram GeneratorThe Anagram Generator takes a name or short phrase and reshuffles its letters into brand-new phrases. It is a playful way to make puzzles, team names Jumble SolverThe Jumble Solver sorts out several scrambled words in one go. Put each one on a separate line and it shows the full-length word hiding in every line.Word FinderThe Word Finder lists every word that fits a pattern of known letters and gaps. It is ideal for crosswords, five-letter guessing games and spelling-pa Crossword SolverStuck on a crossword answer? The Crossword Solver lists every word matching the letters and length you have, with the most common words at the top.Crossword HelperThe Crossword Helper puts a whole puzzle on your screen. Snap the grid, add the clues and get word suggestions that respect the letters already crossi Cryptic Crossword SolverThe Cryptic Crossword Solver tackles the two clue types a computer can test mechanically – anagrams and hidden words – while also listing every dictio Codeword SolverCodewords are crossword grids with no clues, where every square holds a number standing for a letter. This free solver cracks the code from your grid Cryptogram SolverA cryptogram is a sentence where every letter has been traded for a different one, using the same swap throughout. Paste one into this free solver and Cryptoquip SolverThe Cryptoquip is a puzzle printed daily in newspapers, in which a short, jokey sentence has had every letter swapped for another. This free helper ta Spelling Bee SolverHoneycomb word puzzles give you seven letters and ask how many words you can build. This free solver lists every word that obeys the rules, with the a Wordle SolverFive-letter guessing games reward clear thinking about clues. This free helper takes the guesses you’ve made and the colours you got back, then shows Word Search SolverStuck on the last two words in a wordsearch? Type the letter grid and the list into this free solver and it marks exactly where each one is tucked awa Countdown SolverPractise both halves of the famous letters-and-numbers format. Give this free solver nine letters and it finds the longest words; give it six numbers Word LadderA word ladder links two words of the same length through a chain of real words, swapping just one letter each time – COLD can climb to WARM, for insta Sudoku SolverSudoku asks you to fill a 9 × 9 grid so every row, column and 3 × 3 box holds the digits 1 to 9 once each. This free solver can finish a puzzle outrig

Games, makers and writing tools

HangmanA free version of the classic letter-guessing game that works both ways round: you can hunt for the computer’s secret word, or hold a word in your hea Countdown-Style Letters and Numbers GameA free, browser-based game modelled on the letters and numbers rounds of the long-running TV quiz. It mixes spelling, vocabulary and mental arithmetic Crossword GeneratorPress one button and get a brand-new crossword, ready to solve on screen or print for a class. You don’t type any words in: the clues are written by t Cryptic Crossword GeneratorCryptic crosswords can look baffling at first, but they follow rules that can be learned. This free generator builds a new cryptic puzzle every time, Word Search MakerPaste in this week’s spelling list or topic vocabulary and get a printable word search, with an answer key, in a few clicks. It is one of the quickest Syllable CounterType or paste anything from a single word to a whole poem, and the counter instantly shows how many syllables each word and each line contains. It is Fancy Text GeneratorType a few words and see them instantly in 21 decorative styles you can copy and paste, from heavy bold and looping script to circled letters and text Lorem Ipsum GeneratorNeed dummy text to fill a poster, web page or magazine layout before the real writing is ready? This free generator produces as much lorem ipsum as yo

Word lists

Word ListsThe word site’s word lists hub is a single page that links to every list it offers: words sorted by length, by first letter and by last letter, plus w 2-Letter WordsThe word site’s list of 116 two-letter words is short enough to read in one go, yet it mixes everyday words a five-year-old knows with odd little word 3-Letter WordsThree-letter words are where most children first learn to blend sounds. The word site lists 580 common ones, grouped by first letter, which makes it a 4-Letter WordsOnce children can read three-letter words, four-letter words are the natural next step: they bring in consonant blends, digraphs and the “magic e”. Th 5-Letter WordsFive-letter words are the currency of daily guessing puzzles such as Wordle. The word site lists 4,439 common ones, which makes it a good starting poi 6-Letter WordsMany six-letter words are short root words with an ending added, which makes this list a natural place to study the spelling rules for suffixes. The w 7-Letter WordsSeven letters is the length where everyday words start to get tricky to spell: because, believe, between, brought. The word site lists 9,669 common se 8-Letter WordsEight letters is the biggest length group on the word site, with 10,273 common words. It is the sweet spot for upper-primary and lower-secondary vocab 9-Letter WordsNine-letter words are long enough to feel like an achievement, and they are the target in a classic jumbled-word conundrum. The word site lists 9,260 10-Letter WordsTen-letter words can look daunting, but most are built from smaller, predictable parts. The word site’s list of 7,505 common examples is a great resou Words Starting With a LetterNeed ten words beginning with “sh” for phonics, or a pile of P words for an alliteration poem? The word site has a page of common words for each start Words Ending in a LetterWord endings carry a lot of grammar and sound: plurals end in s, many adverbs in y, and rhymes depend on the last letters. The word site has a page of

Codes and ciphers

Codes and CiphersOne starting point for every secret-message, number-code and ancient-alphabet tool on Unscramble Words 4U, grouped so you can find the right one quick Cipher DecoderGot a coded message but no idea how it was made? The cipher decoder tries the usual suspects for you and puts the most readable answer first.Caesar CipherThe Caesar cipher slides every letter a fixed number of places along the alphabet. This tool lets you write, read and crack shift messages in seconds.Vigenère CipherThe Vigenère cipher uses a keyword to give each letter a different shift. This tool encodes, decodes and can even hunt for a missing key.Atbash CipherAtbash turns the alphabet back to front: A pairs with Z, B with Y, and so on. One simple step both hides and reveals a message.ROT13ROT13 rotates every letter halfway round the alphabet. Run it again and the original text returns, so one tool does both jobs.Pigpen CipherIn pigpen, every letter becomes a little shape taken from a grid. This tool draws your message for you and helps you read pigpen back.Letters to NumbersSwap each letter for its alphabet position and you have the easiest number code there is. This tool converts words to numbers and numbers back to word Number to Letter ConverterPaste a string of numbers and read the hidden words, using 1 for A through to 26 for Z.Binary TranslatorSee how a computer stores words as strings of 0s and 1s, and turn binary back into readable text.Hex to Text ConverterHexadecimal is a compact way to write the bytes inside a computer. This converter turns hex into readable text and text into hex.Base64 EncodeBase64 repackages data as plain letters, digits and a couple of symbols so it can travel safely through text-only systems. This tool encodes your text Base64 DecodeFound a long jumble of letters and digits ending in = signs? It is probably Base64. Paste it here to see the text inside.ASCII TableASCII gives each unaccented English letter, each digit and punctuation mark, plus a set of control signals, a code between 0 and 127. This searchable Braille TranslatorExplore how braille works by turning text into Unicode braille characters, or reading braille characters back as text.NATO Phonetic AlphabetSpell anything clearly over a phone or radio. Type a name or reference and see each character as its NATO code word, from Alfa to Zulu.Ogham TranslatorOgham is an alphabet from the early Middle Ages, made of strokes and notches, cut into standing stones. Write a name in ogham or read ogham characters Rune TranslatorWrite names and words in the old runic alphabets of Scandinavia and Anglo-Saxon England, or turn runes back into letters, with three rune sets to choo

Morse code

Morse Code TranslatorType a word or sentence and watch it become dots and dashes – or paste in Morse and read the hidden message. It is a quick, free way to bring the olde Morse Code DecoderTap out dots and dashes on an on-screen key and see them turn into letters as you go. The same tool can also listen to beeps through a microphone or r Morse Code Audio DecoderGot a sound clip full of beeps? This free tool listens to it and writes out the message, showing the dots, dashes, speed and pitch along the way.Morse Code PracticeA free trainer that scores every attempt at sending or receiving Morse, so learners can see themselves get better a few minutes at a time.Morse Code AlphabetA clickable Morse chart where every letter, digit and signal plays its own sound – ideal for learning the code by ear rather than by staring at dots.Morse Code AppPut the whole set of Morse tools on a phone, tablet or laptop straight from the browser, then keep using them when there is no Wi‑Fi.Hello in Morse CodeHELLO in Morse is .... . .-.. .-.. --- – five letters that make a perfect first word for anyone new to the code.SOS in Morse CodeSOS is three short signals, three long, then three short: ...---... It is the most famous pattern in Morse, and a brilliant way to teach both the code I Love You in Morse CodeThree little words become .. / .-.. --- ...- . / -.-- --- ..- in Morse – a sweet secret message for a card, a bracelet or a tap on someone’s hand.

Unscramble Words 4U is run by the same team as Classfern. Classfern and Unscramble Words 4U are not affiliated with or endorsed by the makers of Scrabble, Words With Friends, Wordle, Spelling Bee, Countdown, Jumble or Cryptoquip.