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 800th jhpaques 🇫🇷 621 153 20ms 28 Jul 2022 802nd sebipopa 🇷🇴 618 123 17ms 14 Sep 2022 802nd xyangst 618 123 16ms 4 Oct 2024 804th SirBogman 🇺🇸 617 94 19ms 5 Oct 2020 805th RDShah 617 154 28ms 31 Jan 2020 805th dzshn 617 154 18ms 9 Jun 2021 805th bbakersmith 617 154 31ms 28 Jun 2022 805th aksyristos 617 154 21ms 8 Mar 2023 805th tobyLovick 617 154 20ms 7 Dec 2023 805th chartung17 617 154 29ms 14 Jan 2024 805th EnTerr 617 154 22ms 25 Aug 2024 805th Pyroan 617 154 23ms 3 Nov 2025 813th retrohun 616 111 15ms 21 Sep 2024 814th Shanethegamer 🇺🇸 616 130 29ms 4 Oct 2024 815th CaedenHarper 🇨🇦 615 131 421ms 17 Aug 2025 816th filharmonista 615 138 3ms 13 Mar 2020 816th TeodorDyakov 🇧🇬 615 138 3ms 3 Jul 2025 818th hiddicop 🇸🇪 613 94 53ms 1 Feb 2021 819th neihousaigaai 613 124 19ms 28 Apr 2021 819th Andrey-Plotnikov 613 124 13ms 9 Aug 2025 821st dzhang314 613 155 24ms 14 Aug 2019 821st za3k 613 155 20ms 11 Oct 2022 821st r-benson 🇬🇧 613 155 27ms 1 Feb 2023 821st Hortaros 613 155 30ms 14 Apr 2023 821st HumanoidCPU 613 155 22ms 7 Jun 2024 826th TomvdPeet 611 129 30ms 7 Dec 2025 827th dokutan 610 132 426ms 7 Apr 2025 828th G33kDude 609 156 19ms 20 Mar 2019 828th cellobix 609 156 21ms 15 Aug 2019 828th mokymok 🇺🇸 609 156 27ms 11 Oct 2021 828th BREMAUCY 🇫🇷 609 156 30ms 2 Jan 2024 828th hiichbindermax 609 156 29ms 15 Sep 2024 828th M4rc0g1 609 156 28ms 21 Nov 2025 834th MeWhenI 🇻🇦 609 193 33ms 6 Jun 2023 835th dsntzn 🇸🇰 608 125 15ms 1 Mar 2021 835th smclaughlin-cf 608 125 18ms 8 Apr 2025 837th cure-honey 🇯🇵 608 200 43ms 26 Apr 2020 838th MeWhenI 🇻🇦 607 105 29ms 12 Nov 2022 839th targrik 606 130 15ms 27 Oct 2025 840th janbehrens 🇩🇪 606 140 4ms 18 May 2023 841st adamnielson42 🇺🇸 605 79 39ms 7 Dec 2023 842nd ndren 605 130 596ms 5 May 2024 843rd Phil-RGOMEGA 605 149 8ms 30 Aug 2023 844th tpaxman 🇨🇦 605 157 22ms 2 Dec 2020 845th ollyspooner 604 126 16ms 18 Oct 2023 846th DialFrost 🇸🇬 603 133 31ms 11 Dec 2024 847th albanian-laundromat 603 178 40ms 22 Aug 2025 848th not-a-pokemon 602 141 4ms 9 Sep 2025 849th snoozingnewt 🇨🇦 602 164 118ms 20 Nov 2025 850th lynn 602 182 19ms 18 Nov 2021 851st Jacob385 601 131 533ms 3 Apr 2024 851st Stockoh 🇫🇷 601 131 560ms 24 Jun 2024 853rd sisyphus-ppcg 🇦🇺 599 114 221ms 24 Jun 2022 854th eranws 599 127 17ms 9 Sep 2022 855th timvermeulen 599 190 220ms 4 Jan 2020 856th zdzc 598 159 24ms 10 Jul 2018 856th rzhade3 598 159 19ms 1 Jul 2021 856th NicoAdams 598 159 22ms 21 Nov 2021 856th rowboat1 598 159 686ms 18 Jun 2022 860th CaedenHarper 🇨🇦 594 124 2,542ms 18 Aug 2025 861st avartanii 594 128 21ms 17 Jan 2021 861st MathisBullinger 594 128 31ms 15 Nov 2021 863rd abailey2020 🇺🇸 594 160 27ms 13 Dec 2020 863rd Espiobest 594 160 25ms 13 Feb 2021 863rd knutae 🇳🇴 594 160 22ms 17 Nov 2021 863rd jfallon1997 594 160 23ms 5 Jan 2023 863rd AtengChen 594 160 21ms 29 Aug 2024 868th yzhs 🇩🇪 592 75 41ms 7 Jun 2022 869th CaedenHarper 🇨🇦 592 98 5ms 18 Aug 2025 870th emgordon154 592 133 563ms 25 Sep 2024 871st CaedenHarper 🇨🇦 592 135 144ms 18 Aug 2025 872nd timvermeulen 592 167 94ms 19 Jan 2020 873rd hardlyBearable 590 161 22ms 11 May 2019 873rd Psirving 590 161 20ms 1 Aug 2020 873rd SniperSmiley 🇺🇸 590 161 21ms 25 Jun 2022 873rd GulgDev 590 161 23ms 21 Mar 2023 877th ian-odonnell 589 129 17ms 9 Mar 2018 877th JohnSBarden 589 129 32ms 9 Nov 2021 879th CaedenHarper 🇨🇦 589 144 4ms 16 Nov 2025 880th mtirado1 589 153 7ms 18 Apr 2023 First Prev 801–880 of 1,483 Next Last