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 636th acollett89 711 107 14ms 4 Aug 2025 642nd snoozingnewt 🇨🇦 709 111 652ms 13 Dec 2025 643rd relet 709 134 22ms 8 Aug 2018 643rd melven 709 134 24ms 16 Oct 2025 645th user189032 708 158 296ms 30 May 2019 646th ovs-code 🇩🇪 707 86 20ms 4 Oct 2024 647th Yewzir 🇧🇪 707 172 44ms 9 Jun 2024 648th SirBogman 🇺🇸 706 86 3,607ms 11 Apr 2024 649th Shanethegamer 🇺🇸 706 114 424ms 31 Oct 2023 650th Shanethegamer 🇺🇸 705 146 2,462ms 9 Jan 2022 650th Yewzir 🇧🇪 705 146 61ms 10 Jun 2024 652nd HETHAT 🇩🇿 704 135 21ms 22 Mar 2021 653rd strout 703 159 331ms 14 Dec 2023 654th andersk 🇺🇸 703 162 167ms 18 Mar 2020 655th lynn 700 117 1,075ms 30 Nov 2021 656th Waffle3z 699 129 19ms 17 Apr 2022 656th CaedenHarper 🇨🇦 699 129 8ms 22 Aug 2025 658th jarekwg 699 136 22ms 2 Oct 2020 658th OCNeve 699 136 20ms 18 Jun 2024 658th minhtrancccp 699 136 25ms 25 Nov 2024 658th luuumine 🇫🇷 699 136 23ms 17 Oct 2025 662nd CaedenHarper 🇨🇦 699 160 255ms 22 Aug 2025 663rd jake-freeman 698 109 18ms 13 May 2020 663rd ArmaanAS 698 109 18ms 7 Mar 2021 663rd voytxt 🇨🇿 698 109 16ms 12 Jul 2024 666th stefangimmillaro 698 113 8ms 7 Nov 2023 667th primo-ppcg 🇹🇭 698 147 485ms 1 Jun 2020 668th Yewzir 🇧🇪 696 134 390ms 15 Nov 2025 669th sean-niemann 🇺🇸 695 122 3ms 31 Oct 2023 670th jared-hughes 694 64 43ms 17 Apr 2022 671st yzhs 🇩🇪 694 137 24ms 15 Mar 2020 671st suwat513 694 137 45ms 15 Sep 2022 671st neihousaigaai 694 137 21ms 6 Oct 2024 674th Yewzir 🇧🇪 693 135 10ms 9 Jun 2024 675th helbling 🇨🇭 691 110 20ms 3 Sep 2025 675th Lv0Sys 🇵🇱 691 110 15ms 29 Nov 2025 677th yzhs 🇩🇪 690 162 298ms 25 Jul 2021 678th SnowballSH 689 138 28ms 3 Feb 2021 679th annaproxy 689 159 30ms 11 May 2023 680th CaedenHarper 🇨🇦 688 117 162ms 17 Aug 2025 681st CaedenHarper 🇨🇦 688 136 11ms 22 Aug 2025 682nd saito-ta 🇯🇵 687 87 537ms 23 Oct 2023 683rd JOrE20 685 111 17ms 3 days ago 684th Stockoh 🇫🇷 684 139 37ms 27 Feb 2024 684th te-chnical 684 139 27ms 8 Jan 2026 686th AlephSquirrel 683 55 4ms 8 Nov 2025 687th MeWhenI 🇻🇦 683 147 45ms 17 Feb 2023 688th KasperKivimaeki 🇫🇮 680 137 387ms 7 Nov 2025 689th MahlerFive 🇨🇦 680 186 357ms 24 Apr 2020 690th DialFrost 🇸🇬 679 88 3,026ms 7 Oct 2024 691st mintypython 679 112 19ms 16 Oct 2018 691st saramaebee 679 112 14ms 18 Oct 2018 691st igmcdowell 679 112 14ms 4 Jan 2022 694th kevinmchung 679 140 28ms 3 Apr 2018 695th commandz0 🇺🇸 678 116 537ms 1 Sep 2025 696th Jiramide 678 133 13ms 7 Feb 2021 697th ReidZ3 🇺🇸 678 165 319ms 13 Dec 2020 698th rifatx 674 141 29ms 16 Mar 2023 698th quimey 674 141 22ms 20 Jul 2023 700th KatieLG 🇬🇧 673 71 51ms 27 Nov 2023 701st vmcnabb 🇳🇿 673 113 14ms 6 May 2021 701st targrik 673 113 14ms 24 Feb 2025 703rd MichalMarsalek 🇨🇿 673 135 360ms 30 Aug 2022 704th sean-niemann 🇺🇸 673 153 59ms 11 Jul 2024 705th dokutan 671 138 191ms 13 Nov 2025 706th Natanaelel 🇸🇪 670 167 305ms 10 May 2025 707th MeWhenI 🇻🇦 670 271 150ms 29 Nov 2023 708th dokutan 669 134 24ms 22 Jun 2024 709th Haksell 🇦🇶 669 142 21ms 13 Jun 2020 709th btjones0 669 142 21ms 16 Jul 2022 709th Fishron 669 142 20ms 19 Sep 2022 709th jatloe 669 142 19ms 6 Sep 2024 713th lionbryce 668 135 11ms 8 Aug 2024 714th SirBogman 🇺🇸 668 182 43ms 17 Apr 2022 715th NewDefectus 🇮🇱 667 87 20ms 16 Oct 2021 715th Natanaelel 🇸🇪 667 87 7ms 16 Nov 2021 715th scpchicken 🇵🇼 667 87 18ms 24 Nov 2022 718th alexkunin 667 114 14ms 7 Jul 2019 719th janbehrens 🇩🇪 666 121 480ms 16 May 2023 720th Brianzhengca 665 143 23ms 5 Feb 2021 First Prev 641–720 of 1,482 Next Last