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 my students 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 – great 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 grade band. 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 warm-ups, early-finisher activities, code-breaking in computer science and history, and Morse code in STEM. Homeschool 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 few letters and the Word Unscrambler reveals every real word hiding in them. It is fast, free and great for spelling games, word puzzles and vo Words from LettersWords from Letters lists every word you can make from the letters you enter, from short two-letter words to the longest one possible. It gives you an Anagram SolverThe Anagram Solver rearranges a word or a jumble of letters into every other word it can make. It is a fun way to explore spelling, letter patterns an Anagram GeneratorThe Anagram Generator takes a name or short phrase and scrambles its letters into brand-new phrases. It is a fun way to create puzzles, team names and Jumble SolverThe Jumble Solver untangles several scrambled words at once. Enter 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 blanks. It is perfect for crosswords, five-letter guessing games and spellin Crossword SolverStuck on a crossword answer? The Crossword Solver shows every word matching the letters and length you have, with the most common words listed first.Crossword HelperThe Crossword Helper brings a whole puzzle onto your screen. Snap the grid, add the clues and get word suggestions that respect the letters already cr Cryptic Crossword SolverCryptic crosswords, a favorite in British newspapers, are packed with wordplay. This solver tackles the two clue types a computer can test mechanicall Codeword SolverA codeword is a crossword grid with no clues, where each square holds a number that stands for a letter. This free solver cracks the code from your gr 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 colors you got back, then shows w Word Search SolverStuck on the last two words in a word search? Type the letter grid and the list into this free solver and it marks exactly where each one is tucked aw Countdown SolverCountdown is a long-running British TV game show with two kinds of rounds: build the longest possible word out of nine letters, and use six numbers to 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 examp Sudoku SolverSudoku asks you to fill a 9 × 9 grid so every row, column and 3 × 3 box contains the digits 1 to 9 once each. This free solver can finish a puzzle out

Games, makers and writing tools

HangmanA free take on the classic letter-guessing game that runs in both directions: students can try to uncover the computer’s secret word, or keep a word i Countdown-Style Letters and Numbers GameCountdown is a long-running British TV quiz show in which contestants race a 30-second clock to build long words and solve number puzzles. This free b Crossword GeneratorClick once and get a fresh crossword to solve on screen or print for your class. There’s nothing to type in: the clues come from the word site’s own h Cryptic Crossword GeneratorCryptic crosswords are a British puzzle tradition, less common in the US, where each clue is a little riddle. This free generator creates a new one ev Word Search MakerDrop in this week’s spelling or vocabulary words and get a printable word search with an answer key in just a few clicks. It’s a fast way to turn any Syllable CounterType or paste anything from one word to a full poem, and the counter instantly shows the syllables in every word and every line. It’s a handy check fo Fancy Text GeneratorType a few words and instantly see them in 21 decorative styles to copy and paste, from heavy bold and looping script to circled letters and text flip Lorem Ipsum GeneratorNeed filler text for a poster, website or yearbook spread before the real copy is written? This free generator creates as much lorem ipsum as you need

Word lists

Word ListsThe word site’s word lists hub is one page linking to every list it offers: words sorted by length, by first letter and by last letter, along with wor 2-Letter WordsThe word site’s list of 116 two-letter words fits on one screen, yet it combines sight words a kindergartner knows with oddball words only board-game 3-Letter WordsThree-letter words are where most kids start blending sounds into words. The word site lists 580 common ones, organized by first letter, making it a r 4-Letter WordsAfter CVC words, four-letter words are the next step in phonics: they introduce consonant blends, digraphs and the silent e. The word site’s list offe 5-Letter WordsFive-letter words power daily guessing puzzles like Wordle. The word site lists 4,439 common ones, a solid base for classroom guessing games that buil 6-Letter WordsLots of six-letter words are short base words with an ending attached, so this list is a natural fit for teaching the spelling rules for suffixes. The 7-Letter WordsSeven letters is where everyday words get hard to spell: because, believe, between, brought. The word site lists 9,669 common seven-letter words, a gr 8-Letter WordsEight letters is the largest length group on the word site, with 10,273 common words. It’s a sweet spot for upper-elementary and middle school vocabul 9-Letter WordsNine-letter words feel like a real accomplishment to spell, and they make perfect scrambled-word puzzles. The word site lists 9,260 common examples, o 10-Letter WordsTen-letter words look intimidating, but most are assembled from smaller, predictable pieces. The word site’s list of 7,505 common examples is ideal fo Words Starting With a LetterLooking for ten “sh” words for phonics, or a stack of P words for an alliteration poem? The word site has a page of common words for each starting let Words Ending in a LetterWord endings carry a lot of sound and grammar: plurals end in s, many adjectives in y, and rhymes depend on the final letters. The word site has a pag

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 number 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 see it turn into dots and dashes – or paste in Morse and reveal the message. It is a quick, free way to bring the original Morse Code DecoderTap dots and dashes on an on-screen key and watch them become letters as you go. The same tool can also listen for beeps through a microphone or read Morse Code Audio DecoderHave an audio clip full of beeps? This free tool listens to it and writes out the message, showing the dots, dashes, speed and pitch as it goes.Morse Code PracticeA free trainer that scores every attempt at sending or receiving Morse, so learners can watch themselves improve a few minutes at a time.Morse Code AlphabetA clickable Morse chart where every letter, digit and signal plays its own sound – perfect for learning the code by ear instead of staring at dots.Morse Code AppAdd the full set of Morse tools to a phone, tablet or laptop right from the browser, then keep using them when there’s no Wi‑Fi.Hello in Morse CodeHELLO in Morse is .... . .-.. .-.. --- – five letters that make an ideal 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 great way to teach both the code and 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.