Roman to Arabic in all languages in bytes. 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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 Bytes Time Submitted 637th rifatx 711 107 16ms 17 Mar 2023 637th acollett89 711 107 14ms 4 Aug 2025 643rd snoozingnewt 🇨🇦 709 111 652ms 13 Dec 2025 644th relet 709 134 22ms 8 Aug 2018 644th melven 709 134 24ms 16 Oct 2025 646th user189032 708 158 296ms 30 May 2019 647th ovs-code 🇩🇪 707 86 20ms 4 Oct 2024 648th Yewzir 🇧🇪 707 172 44ms 9 Jun 2024 649th SirBogman 🇺🇸 706 86 3,607ms 11 Apr 2024 650th Shanethegamer 🇺🇸 706 114 424ms 31 Oct 2023 651st Shanethegamer 🇺🇸 705 146 2,462ms 9 Jan 2022 651st Yewzir 🇧🇪 705 146 61ms 10 Jun 2024 653rd HETHAT 🇩🇿 704 135 21ms 22 Mar 2021 654th strout 703 159 331ms 14 Dec 2023 655th andersk 🇺🇸 703 162 167ms 18 Mar 2020 656th lynn 700 117 1,075ms 30 Nov 2021 657th Waffle3z 699 129 19ms 17 Apr 2022 657th CaedenHarper 🇨🇦 699 129 8ms 22 Aug 2025 659th jarekwg 699 136 22ms 2 Oct 2020 659th OCNeve 699 136 20ms 18 Jun 2024 659th minhtrancccp 699 136 25ms 25 Nov 2024 659th luuumine 🇫🇷 699 136 23ms 17 Oct 2025 663rd CaedenHarper 🇨🇦 699 160 255ms 22 Aug 2025 664th jake-freeman 698 109 18ms 13 May 2020 664th ArmaanAS 698 109 18ms 7 Mar 2021 664th voytxt 🇨🇿 698 109 16ms 12 Jul 2024 667th stefangimmillaro 698 113 8ms 7 Nov 2023 668th primo-ppcg 🇹🇭 698 147 485ms 1 Jun 2020 669th Yewzir 🇧🇪 696 134 390ms 15 Nov 2025 670th sean-niemann 🇺🇸 695 122 3ms 31 Oct 2023 671st jared-hughes 694 64 43ms 17 Apr 2022 672nd yzhs 🇩🇪 694 137 24ms 15 Mar 2020 672nd suwat513 694 137 45ms 15 Sep 2022 672nd neihousaigaai 694 137 21ms 6 Oct 2024 675th Yewzir 🇧🇪 693 135 10ms 9 Jun 2024 676th helbling 🇨🇭 691 110 20ms 3 Sep 2025 676th Lv0Sys 🇵🇱 691 110 15ms 29 Nov 2025 678th yzhs 🇩🇪 690 162 298ms 25 Jul 2021 679th SnowballSH 689 138 28ms 3 Feb 2021 680th annaproxy 689 159 30ms 11 May 2023 681st CaedenHarper 🇨🇦 688 117 162ms 17 Aug 2025 682nd CaedenHarper 🇨🇦 688 136 11ms 22 Aug 2025 683rd saito-ta 🇯🇵 687 87 537ms 23 Oct 2023 684th JOrE20 🇺🇸 685 111 17ms 5 days ago 685th Stockoh 🇫🇷 684 139 37ms 27 Feb 2024 685th te-chnical 684 139 27ms 8 Jan 2026 687th AlephSquirrel 683 55 4ms 8 Nov 2025 688th MeWhenI 🇻🇦 683 147 45ms 17 Feb 2023 689th KasperKivimaeki 🇫🇮 680 137 387ms 7 Nov 2025 690th MahlerFive 🇨🇦 680 186 357ms 24 Apr 2020 691st DialFrost 🇸🇬 679 88 3,026ms 7 Oct 2024 692nd mintypython 679 112 19ms 16 Oct 2018 692nd saramaebee 679 112 14ms 18 Oct 2018 692nd igmcdowell 679 112 14ms 4 Jan 2022 695th kevinmchung 679 140 28ms 3 Apr 2018 696th commandz0 🇺🇸 678 116 537ms 1 Sep 2025 697th Jiramide 678 133 13ms 7 Feb 2021 698th ReidZ3 🇺🇸 678 165 319ms 13 Dec 2020 699th rifatx 674 141 29ms 16 Mar 2023 699th quimey 674 141 22ms 20 Jul 2023 701st KatieLG 🇬🇧 673 71 51ms 27 Nov 2023 702nd vmcnabb 🇳🇿 673 113 14ms 6 May 2021 702nd targrik 673 113 14ms 24 Feb 2025 704th MichalMarsalek 🇨🇿 673 135 360ms 30 Aug 2022 705th sean-niemann 🇺🇸 673 153 59ms 11 Jul 2024 706th dokutan 671 138 191ms 13 Nov 2025 707th Natanaelel 🇸🇪 670 167 305ms 10 May 2025 708th MeWhenI 🇻🇦 670 271 150ms 29 Nov 2023 709th dokutan 669 134 24ms 22 Jun 2024 710th Haksell 🇦🇶 669 142 21ms 13 Jun 2020 710th btjones0 669 142 21ms 16 Jul 2022 710th Fishron 669 142 20ms 19 Sep 2022 710th jatloe 669 142 19ms 6 Sep 2024 714th lionbryce 668 135 11ms 8 Aug 2024 715th SirBogman 🇺🇸 668 182 43ms 17 Apr 2022 716th NewDefectus 🇮🇱 667 87 20ms 16 Oct 2021 716th Natanaelel 🇸🇪 667 87 7ms 16 Nov 2021 716th scpchicken 🇵🇼 667 87 18ms 24 Nov 2022 719th alexkunin 667 114 14ms 7 Jul 2019 720th janbehrens 🇩🇪 666 121 480ms 16 May 2023 First Prev 641–720 of 1,482 Next Last