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 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 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 ArkScript 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 ArkScript 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 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 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 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 801st RDShah 617 154 24ms 31 Jan 2020 801st dzshn 617 154 17ms 9 Jun 2021 801st bbakersmith 617 154 28ms 28 Jun 2022 801st aksyristos 617 154 21ms 8 Mar 2023 801st tobyLovick 617 154 19ms 7 Dec 2023 801st chartung17 617 154 25ms 14 Jan 2024 801st EnTerr 617 154 19ms 25 Aug 2024 801st Pyroan 617 154 22ms 3 Nov 2025 809th retrohun 616 111 15ms 21 Sep 2024 810th Shanethegamer 🇺🇸 616 130 29ms 4 Oct 2024 811th CaedenHarper 🇨🇦 615 131 421ms 17 Aug 2025 812th filharmonista 614 138 3ms 13 Mar 2020 812th TeodorDyakov 🇧🇬 614 138 3ms 3 Jul 2025 814th hiddicop 🇸🇪 613 94 53ms 1 Feb 2021 815th neihousaigaai 613 124 16ms 28 Apr 2021 815th Andrey-Plotnikov 613 124 15ms 9 Aug 2025 817th dzhang314 613 155 19ms 14 Aug 2019 817th za3k 613 155 22ms 11 Oct 2022 817th r-benson 🇬🇧 613 155 27ms 1 Feb 2023 817th Hortaros 613 155 19ms 14 Apr 2023 817th HumanoidCPU 613 155 21ms 7 Jun 2024 822nd TomvdPeet 611 129 33ms 7 Dec 2025 823rd dokutan 610 132 426ms 7 Apr 2025 824th G33kDude 609 156 18ms 20 Mar 2019 824th cellobix 609 156 23ms 15 Aug 2019 824th mokymok 🇺🇸 609 156 19ms 11 Oct 2021 824th BREMAUCY 🇫🇷 609 156 25ms 2 Jan 2024 824th hiichbindermax 609 156 20ms 15 Sep 2024 824th M4rc0g1 609 156 21ms 21 Nov 2025 830th dsntzn 🇸🇰 608 125 14ms 1 Mar 2021 830th smclaughlin-cf 608 125 16ms 8 Apr 2025 832nd cure-honey 🇯🇵 608 200 43ms 26 Apr 2020 833rd MeWhenI 🇻🇦 607 105 29ms 12 Nov 2022 834th targrik 606 130 16ms 27 Oct 2025 835th janbehrens 🇩🇪 606 140 4ms 18 May 2023 836th adamnielson42 🇺🇸 605 79 39ms 7 Dec 2023 837th ndren 605 130 522ms 5 May 2024 838th Phil-RGOMEGA 605 149 8ms 30 Aug 2023 839th tpaxman 🇨🇦 605 157 22ms 2 Dec 2020 840th ollyspooner 603 126 13ms 18 Oct 2023 841st DialFrost 🇸🇬 603 133 31ms 11 Dec 2024 842nd albanian-laundromat 603 178 40ms 22 Aug 2025 843rd snoozingnewt 🇨🇦 602 164 118ms 20 Nov 2025 844th lynn 602 182 19ms 18 Nov 2021 845th Jacob385 601 131 525ms 3 Apr 2024 845th Stockoh 🇫🇷 601 131 566ms 24 Jun 2024 847th not-a-pokemon 601 141 4ms 9 Sep 2025 848th sisyphus-ppcg 🇦🇺 599 114 221ms 24 Jun 2022 849th eranws 599 127 16ms 9 Sep 2022 850th timvermeulen 599 190 161ms 4 Jan 2020 851st zdzc 598 159 22ms 10 Jul 2018 851st rzhade3 598 159 21ms 1 Jul 2021 851st NicoAdams 598 159 19ms 21 Nov 2021 851st rowboat1 598 159 656ms 18 Jun 2022 855th avartanii 594 128 21ms 17 Jan 2021 855th MathisBullinger 594 128 25ms 15 Nov 2021 857th abailey2020 🇺🇸 594 160 21ms 13 Dec 2020 857th Espiobest 594 160 22ms 13 Feb 2021 857th knutae 🇳🇴 594 160 18ms 17 Nov 2021 857th jfallon1997 594 160 22ms 5 Jan 2023 857th AtengChen 594 160 19ms 29 Aug 2024 862nd CaedenHarper 🇨🇦 593 124 2,617ms 18 Aug 2025 863rd yzhs 🇩🇪 592 75 41ms 7 Jun 2022 864th CaedenHarper 🇨🇦 592 98 5ms 18 Aug 2025 865th emgordon154 592 133 618ms 25 Sep 2024 866th CaedenHarper 🇨🇦 592 135 127ms 18 Aug 2025 867th timvermeulen 592 167 94ms 19 Jan 2020 868th hardlyBearable 590 161 21ms 11 May 2019 868th Psirving 590 161 20ms 1 Aug 2020 868th SniperSmiley 🇺🇸 590 161 19ms 25 Jun 2022 868th GulgDev 590 161 21ms 21 Mar 2023 872nd ian-odonnell 589 129 15ms 9 Mar 2018 872nd JohnSBarden 589 129 13ms 9 Nov 2021 874th CaedenHarper 🇨🇦 589 144 4ms 16 Nov 2025 875th mtirado1 589 153 7ms 18 Apr 2023 876th KatieLG 🇬🇧 588 168 694ms 15 Jan 2023 877th TheZwierzLF 🇵🇱 587 134 823ms 22 Nov 2025 878th msrawson 587 162 21ms 15 Aug 2018 879th ian-h-chamberlain 🇺🇸 587 194 153ms 6 Jan 2020 880th omurakazuaki 🇯🇵 585 130 17ms 16 Feb 2021 First Prev 801–880 of 1,468 Next Last