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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 801st thisishowmymindworks 🇳🇴 634 120 17ms 5 Oct 2020 801st PatrickStephansen 🇿🇦 634 120 29ms 9 Jun 2021 801st stefangabos 🇷🇴 634 120 17ms 13 Sep 2022 804th Yewzir 🇧🇪 634 134 4ms 10 Jun 2024 805th sambirnbaum1 634 150 18ms 6 Sep 2019 805th MaxElf999 634 150 30ms 20 Oct 2022 805th nstearns96 🇬🇧 634 150 27ms 8 Dec 2022 805th Florian-Mt 634 150 24ms 14 Nov 2023 805th FoxInTheClouds 634 150 22ms 10 Feb 2026 810th Jiramide 632 177 296ms 8 Feb 2021 811th primo-ppcg 🇹🇭 630 95 1,780ms 17 Apr 2022 812th MarcMush 🇫🇷 630 98 1,059ms 11 Jan 2024 813th albanian-laundromat 🇺🇸 630 125 600ms 9 Aug 2025 814th dokutan 630 128 151ms 6 Jun 2025 815th ian-h-chamberlain 🇺🇸 630 151 23ms 17 Dec 2019 815th qwjhvbxi 630 151 21ms 7 Feb 2024 817th jared-hughes 627 92 47ms 20 Sep 2022 818th Natanaelel 🇸🇪 626 71 38ms 16 Nov 2021 818th DialFrost 🇸🇬 626 71 39ms 31 Jan 2024 818th 4hg 🇺🇸 626 71 40ms 19 Jun 2024 821st galloj 🇨🇿 625 152 24ms 10 Jan 2023 821st Artemis21 🇬🇧 625 152 20ms 2 Jan 2025 823rd YAJUE114514 625 179 292ms 3 Aug 2025 824th jared-hughes 624 96 397ms 23 Jul 2023 825th myfatemi04 621 153 32ms 10 Jan 2018 825th jhpaques 🇫🇷 621 153 24ms 28 Jul 2022 827th SirBogman 🇺🇸 618 94 21ms 5 Oct 2020 828th sebipopa 🇷🇴 618 123 16ms 14 Sep 2022 828th xyangst 618 123 13ms 4 Oct 2024 830th Shanethegamer 🇺🇸 618 130 32ms 4 Oct 2024 831st RDShah 617 154 25ms 31 Jan 2020 831st dzshn 617 154 20ms 9 Jun 2021 831st bbakersmith 617 154 34ms 28 Jun 2022 831st aksyristos 617 154 21ms 8 Mar 2023 831st tobyLovick 617 154 18ms 7 Dec 2023 831st chartung17 617 154 30ms 14 Jan 2024 831st EnTerr 617 154 20ms 25 Aug 2024 831st Pyroan 617 154 22ms 3 Nov 2025 839th retrohun 616 111 15ms 21 Sep 2024 840th CaedenHarper 🇨🇦 616 131 420ms 17 Aug 2025 841st filharmonista 616 138 3ms 13 Mar 2020 841st TeodorDyakov 🇧🇬 616 138 3ms 3 Jul 2025 843rd hiddicop 🇸🇪 614 94 53ms 1 Feb 2021 844th neihousaigaai 613 124 19ms 28 Apr 2021 844th Andrey-Plotnikov 613 124 17ms 9 Aug 2025 846th TomvdPeet 613 129 29ms 7 Dec 2025 847th dzhang314 613 155 22ms 14 Aug 2019 847th za3k 613 155 21ms 11 Oct 2022 847th r-benson 🇬🇧 613 155 28ms 1 Feb 2023 847th Hortaros 613 155 22ms 14 Apr 2023 847th HumanoidCPU 613 155 22ms 7 Jun 2024 852nd cure-honey 🇯🇵 613 200 43ms 26 Apr 2020 853rd dokutan 611 132 463ms 7 Apr 2025 854th MeWhenI 🇻🇦 611 193 36ms 6 Jun 2023 855th MeWhenI 🇻🇦 609 105 24ms 12 Nov 2022 856th dsntzn 🇸🇰 609 125 18ms 1 Mar 2021 856th smclaughlin-cf 609 125 21ms 8 Apr 2025 858th G33kDude 609 156 21ms 20 Mar 2019 858th cellobix 609 156 22ms 15 Aug 2019 858th mokymok 🇺🇸 609 156 21ms 11 Oct 2021 858th BREMAUCY 🇫🇷 609 156 27ms 2 Jan 2024 858th hiichbindermax 609 156 22ms 15 Sep 2024 858th M4rc0g1 609 156 22ms 21 Nov 2025 858th Andrey2001 609 156 27ms 10 days ago 865th janbehrens 🇩🇪 607 140 4ms 18 May 2023 865th madex 🇩🇪 607 140 4ms 6 days ago 867th Phil-RGOMEGA 607 149 8ms 30 Aug 2023 868th ndren 606 130 587ms 5 May 2024 869th tpaxman 🇨🇦 606 157 22ms 2 Dec 2020 870th albanian-laundromat 🇺🇸 606 178 39ms 22 Aug 2025 871st adamnielson42 🇺🇸 605 79 34ms 7 Dec 2023 872nd sultan 605 170 411ms 3 days ago 873rd ollyspooner 604 126 18ms 18 Oct 2023 874th DialFrost 🇸🇬 604 133 36ms 11 Dec 2024 875th prestosilver 🇺🇸 604 151 407ms 17 days ago 876th madex 🇩🇪 604 155 457ms 14 Mar 2026 877th snoozingnewt 🇨🇦 604 164 131ms 20 Nov 2025 878th lynn 604 182 20ms 18 Nov 2021 879th not-a-pokemon 603 141 4ms 9 Sep 2025 880th timvermeulen 603 190 166ms 4 Jan 2020 First Prev 801–880 of 1,624 Next Last