Morse Decoder in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 301st CaedenHarper 🇨🇦 548 156 813ms 1 Aug 2025 302nd IISResetMe 548 165 247ms 7 days ago 303rd C0de5mith 🇺🇸 548 177 9ms 19 Sep 2022 304th NerdyMcNerd42 546 163 10ms 18 Feb 2023 305th helbling 🇨🇭 545 178 10ms 14 Sep 2024 306th dokutan 545 188 3,343ms 8 Sep 2025 307th error256 544 160 76ms 24 May 2025 308th Natanaelel 🇸🇪 543 169 1,238ms 22 Jan 2023 309th evan-schiewe 543 251 355ms 21 Nov 2021 310th CaedenHarper 🇨🇦 542 164 9ms 1 Aug 2025 311th Natanaelel 🇸🇪 542 179 9ms 22 Jan 2023 312th janbehrens 🇩🇪 541 252 359ms 10 Jan 2022 313th GrayJoKing 🇦🇺 540 474 2ms 14 Nov 2020 314th adamnielson42 🇺🇸 539 165 10ms 26 May 2023 315th user189032 539 180 10ms 29 May 2019 315th itsh01 539 180 9ms 12 May 2022 315th dokutan 539 180 9ms 8 Sep 2025 318th AlexDaniel 🇪🇪 536 121 158ms 13 Mar 2018 319th AlephSquirrel 536 166 14ms 13 Aug 2023 320th janbehrens 🇩🇪 535 239 2ms 21 Mar 2022 321st emgordon154 534 463 2ms 9 Jun 2025 322nd snoozingnewt 🇨🇦 533 309 3ms 9 Nov 2025 323rd BambooleanLogic 🇸🇪 530 183 10ms 5 Jul 2023 324th alexkunin 528 184 9ms 6 Jul 2019 325th tatzyr 🇯🇵 527 129 33ms 25 Mar 2025 326th MeWhenI 🇻🇦 522 142 424ms 14 Feb 2023 327th Natanaelel 🇸🇪 519 131 41ms 9 Jun 2023 328th AlephSquirrel 519 165 540ms 21 Jan 2024 329th coreynash 519 187 9ms 25 May 2023 330th Natanaelel 🇸🇪 518 343 131ms 22 Jan 2023 331st Bulmenisaurus 517 172 9ms 30 Jul 2024 331st ryyyn 🇺🇸 517 172 10ms 20 days ago 333rd lacroixjonathan87 515 202 4ms 3 Jan 2021 334th ShiraJoseph 🇺🇸 514 189 10ms 28 Apr 2022 335th inventshah 512 167 563ms 16 Jan 2024 336th unfinishedprogram 511 190 9ms 14 Jul 2023 337th lynn 510 102 39ms 19 Oct 2023 338th dokutan 510 240 2ms 21 Apr 2024 339th filharmonista 509 251 2ms 9 Mar 2020 340th h3ra993huskp 🇯🇵 509 253 810ms 10 days ago 341st inventshah 508 175 9ms 18 Jan 2023 342nd moikaturns 🇬🇧 508 191 9ms 10 Nov 2022 343rd gnlow 🇰🇷 506 192 9ms 18 Feb 2021 344th JDiLenarda 🇫🇷 506 301 1,376ms 29 Nov 2023 345th eranws 503 193 9ms 1 Nov 2022 346th marcin7Cd 502 177 15ms 14 Mar 2020 347th billings7 🇬🇧 501 272 338ms 19 May 2024 348th MeWhenI 🇻🇦 499 330 2ms 10 Sep 2022 349th janbehrens 🇩🇪 498 195 10ms 17 Jun 2023 350th jwhear 🇺🇸 497 500 1,752ms 30 Sep 2024 351st marcin7Cd 493 519 6ms 16 Nov 2020 352nd gastropner 492 260 2ms 24 Dec 2020 353rd tobeannouncd 492 361 123ms 8 Jan 2024 354th m-tkach 🇺🇦 491 181 10ms 31 Dec 2022 355th MeWhenI 🇻🇦 490 232 102ms 27 Jan 2023 356th janbehrens 🇩🇪 488 272 2,883ms 20 Nov 2022 357th hiddicop 🇸🇪 486 140 37ms 31 Jan 2021 358th BREMAUCY 🇫🇷 486 183 9ms 24 Jul 2025 359th emgordon154 486 211 3,916ms 3 Nov 2024 360th GrayJoKing 🇦🇺 484 180 91ms 10 Aug 2023 361st KatieLG 🇬🇧 482 141 435ms 26 May 2021 362nd janbehrens 🇩🇪 481 216 5ms 2 Jul 2023 363rd janbehrens 🇩🇪 480 261 606ms 24 Mar 2022 364th davitf 478 186 9ms 30 Oct 2018 365th Kibble 478 203 9ms 27 Jul 2020 366th emgordon154 476 226 7ms 13 Dec 2024 367th scpchicken 🇵🇼 473 128 2ms 24 Feb 2023 368th emgordon154 472 305 4ms 26 Jan 2025 369th elisherer 🇮🇱 469 207 10ms 18 Apr 2019 369th weliveinhell 🇭🇹 469 207 9ms 1 Feb 2024 371st Ripick 469 355 340ms 11 Aug 2024 372nd bluebear94 467 139 234ms 2 Mar 2018 373rd MeWhenI 🇻🇦 467 187 128ms 3 Aug 2024 374th olleicua 🇺🇸 466 146 33ms 25 Mar 2025 375th dokutan 466 159 538ms 8 Sep 2025 First Prev 301–375 of 867 Next Last