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 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 Bytes Time Submitted 641st relet 709 134 20ms 8 Aug 2018 641st melven 709 134 21ms 16 Oct 2025 641st JOrE20 🇺🇸 709 134 567ms 19 Nov 2025 644th user189032 708 158 296ms 30 May 2019 645th Yewzir 🇧🇪 707 172 44ms 9 Jun 2024 646th SirBogman 🇺🇸 706 86 3,551ms 11 Apr 2024 646th ovs-code 🇩🇪 706 86 20ms 4 Oct 2024 648th Shanethegamer 🇺🇸 706 114 351ms 31 Oct 2023 649th Shanethegamer 🇺🇸 705 146 3,285ms 9 Jan 2022 649th Yewzir 🇧🇪 705 146 62ms 10 Jun 2024 651st HETHAT 🇩🇿 704 135 20ms 22 Mar 2021 652nd strout 703 159 331ms 14 Dec 2023 653rd andersk 🇺🇸 703 162 150ms 18 Mar 2020 654th lynn 700 117 71ms 30 Nov 2021 655th Waffle3z 700 129 22ms 17 Apr 2022 655th CaedenHarper 🇨🇦 700 129 5ms 22 Aug 2025 657th jarekwg 699 136 20ms 2 Oct 2020 657th OCNeve 699 136 18ms 18 Jun 2024 657th minhtrancccp 699 136 19ms 25 Nov 2024 657th luuumine 🇫🇷 699 136 21ms 17 Oct 2025 661st CaedenHarper 🇨🇦 699 160 255ms 22 Aug 2025 662nd stefangimmillaro 698 113 7ms 7 Nov 2023 663rd jake-freeman 697 109 14ms 13 May 2020 663rd ArmaanAS 697 109 14ms 7 Mar 2021 663rd voytxt 🇨🇿 697 109 17ms 12 Jul 2024 666th primo-ppcg 🇹🇭 697 147 628ms 1 Jun 2020 667th retrohun 695 114 2,371ms 16 Aug 2025 668th jared-hughes 694 64 43ms 17 Apr 2022 669th sean-niemann 🇺🇸 694 122 3ms 31 Oct 2023 670th Yewzir 🇧🇪 694 134 390ms 15 Nov 2025 671st yzhs 🇩🇪 694 137 22ms 15 Mar 2020 671st suwat513 694 137 40ms 15 Sep 2022 671st neihousaigaai 694 137 20ms 6 Oct 2024 674th Yewzir 🇧🇪 693 135 10ms 9 Jun 2024 675th helbling 🇨🇭 691 110 21ms 3 Sep 2025 675th Lv0Sys 🇵🇱 691 110 13ms 18 days ago 677th yzhs 🇩🇪 690 162 298ms 25 Jul 2021 678th SnowballSH 689 138 26ms 3 Feb 2021 679th annaproxy 689 159 30ms 11 May 2023 680th CaedenHarper 🇨🇦 688 117 150ms 17 Aug 2025 681st CaedenHarper 🇨🇦 688 136 11ms 22 Aug 2025 682nd Stockoh 🇫🇷 684 139 34ms 27 Feb 2024 682nd zhaohm14 684 139 19ms 10 Jun 2025 684th AlephSquirrel 683 55 4ms 8 Nov 2025 685th MeWhenI 🇻🇦 680 147 45ms 17 Feb 2023 686th MahlerFive 🇨🇦 680 186 328ms 24 Apr 2020 687th mintypython 679 112 13ms 16 Oct 2018 687th saramaebee 679 112 14ms 18 Oct 2018 687th igmcdowell 679 112 14ms 4 Jan 2022 690th Jiramide 679 133 14ms 7 Feb 2021 691st KasperKivimaeki 🇫🇮 679 137 387ms 7 Nov 2025 692nd kevinmchung 679 140 26ms 3 Apr 2018 693rd commandblockguy 🇺🇸 678 116 490ms 1 Sep 2025 694th ReidZ3 🇺🇸 678 165 319ms 13 Dec 2020 695th rifatx 674 141 29ms 16 Mar 2023 695th quimey 674 141 20ms 20 Jul 2023 697th KatieLG 🇬🇧 673 71 51ms 27 Nov 2023 698th vmcnabb 🇳🇿 673 113 13ms 6 May 2021 698th targrik 673 113 13ms 24 Feb 2025 700th sean-niemann 🇺🇸 673 153 87ms 11 Jul 2024 701st MichalMarsalek 🇨🇿 672 135 360ms 30 Aug 2022 702nd Natanaelel 🇸🇪 670 167 305ms 10 May 2025 703rd MeWhenI 🇻🇦 670 271 150ms 29 Nov 2023 704th lionbryce 669 135 12ms 8 Aug 2024 705th dokutan 669 138 148ms 13 Nov 2025 706th Haksell 🇦🇶 669 142 20ms 13 Jun 2020 706th btjones0 669 142 22ms 16 Jul 2022 706th Fishron 669 142 18ms 19 Sep 2022 706th jatloe 669 142 18ms 6 Sep 2024 710th dokutan 668 134 21ms 22 Jun 2024 711th SirBogman 🇺🇸 668 182 43ms 17 Apr 2022 712th NewDefectus 🇮🇱 667 87 20ms 16 Oct 2021 712th Natanaelel 🇸🇪 667 87 7ms 16 Nov 2021 712th scpchicken 🇵🇼 667 87 18ms 24 Nov 2022 715th alexkunin 667 114 14ms 7 Jul 2019 716th janbehrens 🇩🇪 665 121 358ms 16 May 2023 717th Brianzhengca 665 143 19ms 5 Feb 2021 717th TobyBoyne 🇬🇧 665 143 19ms 14 Apr 2022 719th Shanethegamer 🇺🇸 662 128 4ms 13 Jun 2022 720th varhammer 🇷🇺 661 121 157ms 13 Dec 2023 First Prev 641–720 of 1,453 Next Last