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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 640th Shanethegamer 🇺🇸 714 49 91ms 7 Dec 2024 642nd raphaelimahorn 711 107 18ms 17 Aug 2021 642nd scpchicken 🇵🇼 711 107 15ms 26 Jan 2022 642nd itsh01 711 107 18ms 3 Apr 2022 642nd solmyr2000 711 107 18ms 11 Jun 2022 642nd rifatx 711 107 17ms 17 Mar 2023 642nd acollett89 711 107 13ms 4 Aug 2025 648th relet 709 134 21ms 8 Aug 2018 648th melven 709 134 23ms 16 Oct 2025 650th user189032 708 158 296ms 30 May 2019 651st ovs-code 🇩🇪 707 86 20ms 4 Oct 2024 652nd lynn 707 117 1,077ms 30 Nov 2021 653rd Yewzir 🇧🇪 707 172 44ms 9 Jun 2024 654th SirBogman 🇺🇸 706 86 3,524ms 11 Apr 2024 655th Shanethegamer 🇺🇸 706 114 424ms 31 Oct 2023 656th Shanethegamer 🇺🇸 705 146 2,462ms 9 Jan 2022 656th Yewzir 🇧🇪 705 146 57ms 10 Jun 2024 658th HETHAT 🇩🇿 704 135 21ms 22 Mar 2021 659th strout 703 159 331ms 14 Dec 2023 660th andersk 🇺🇸 703 162 154ms 18 Mar 2020 661st Waffle3z 699 129 16ms 17 Apr 2022 661st CaedenHarper 🇨🇦 699 129 6ms 22 Aug 2025 663rd jarekwg 699 136 19ms 2 Oct 2020 663rd OCNeve 699 136 20ms 18 Jun 2024 663rd minhtrancccp 699 136 21ms 25 Nov 2024 663rd luuumine 🇫🇷 699 136 22ms 17 Oct 2025 667th CaedenHarper 🇨🇦 699 160 255ms 22 Aug 2025 668th jake-freeman 698 109 15ms 13 May 2020 668th ArmaanAS 698 109 16ms 7 Mar 2021 668th voytxt 🇨🇿 698 109 20ms 12 Jul 2024 668th Lv0Sys 🇵🇱 698 109 17ms 2 days ago 672nd stefangimmillaro 698 113 7ms 7 Nov 2023 673rd primo-ppcg 🇹🇭 698 147 485ms 1 Jun 2020 674th sean-niemann 🇺🇸 696 122 3ms 31 Oct 2023 675th Yewzir 🇧🇪 696 134 472ms 15 Nov 2025 676th jared-hughes 694 64 43ms 17 Apr 2022 677th yzhs 🇩🇪 694 137 22ms 15 Mar 2020 677th suwat513 694 137 43ms 15 Sep 2022 677th neihousaigaai 694 137 21ms 6 Oct 2024 680th Yewzir 🇧🇪 693 135 10ms 9 Jun 2024 681st helbling 🇨🇭 691 110 27ms 3 Sep 2025 682nd yzhs 🇩🇪 690 162 298ms 25 Jul 2021 683rd SnowballSH 689 138 28ms 3 Feb 2021 684th annaproxy 689 159 32ms 11 May 2023 685th CaedenHarper 🇨🇦 688 117 150ms 17 Aug 2025 686th CaedenHarper 🇨🇦 688 136 11ms 22 Aug 2025 687th saito-ta 🇯🇵 687 87 537ms 23 Oct 2023 688th JOrE20 685 111 18ms 15 days ago 689th Stockoh 🇫🇷 684 139 36ms 27 Feb 2024 689th te-chnical 684 139 26ms 8 Jan 2026 691st AlephSquirrel 683 55 4ms 8 Nov 2025 692nd MeWhenI 🇻🇦 683 147 45ms 17 Feb 2023 693rd KasperKivimaeki 🇫🇮 681 137 492ms 7 Nov 2025 694th MahlerFive 🇨🇦 680 186 357ms 24 Apr 2020 695th DialFrost 🇸🇬 679 88 3,026ms 7 Oct 2024 696th mintypython 679 112 18ms 16 Oct 2018 696th saramaebee 679 112 16ms 18 Oct 2018 696th igmcdowell 679 112 17ms 4 Jan 2022 699th kevinmchung 679 140 28ms 3 Apr 2018 700th commandz0 🇺🇸 678 116 537ms 1 Sep 2025 701st Jiramide 678 133 13ms 7 Feb 2021 702nd ReidZ3 🇺🇸 678 165 319ms 13 Dec 2020 703rd rifatx 674 141 28ms 16 Mar 2023 703rd quimey 674 141 22ms 20 Jul 2023 705th KatieLG 🇬🇧 673 71 51ms 27 Nov 2023 706th vmcnabb 🇳🇿 673 113 18ms 6 May 2021 706th targrik 673 113 14ms 24 Feb 2025 708th MichalMarsalek 🇨🇿 673 135 360ms 30 Aug 2022 709th sean-niemann 🇺🇸 673 153 59ms 11 Jul 2024 710th frankgraziano 672 89 3,631ms 9 days ago 711th dokutan 671 138 191ms 13 Nov 2025 712th Natanaelel 🇸🇪 670 167 305ms 10 May 2025 713th MeWhenI 🇻🇦 670 271 143ms 29 Nov 2023 714th dokutan 669 134 23ms 22 Jun 2024 715th Haksell 🇦🇶 669 142 20ms 13 Jun 2020 715th btjones0 669 142 21ms 16 Jul 2022 715th Fishron 669 142 20ms 19 Sep 2022 715th jatloe 669 142 19ms 6 Sep 2024 719th lionbryce 668 135 10ms 8 Aug 2024 720th SirBogman 🇺🇸 668 182 43ms 17 Apr 2022 First Prev 641–720 of 1,493 Next Last