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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 826th ndren 605 130 533ms 5 May 2024 826th targrik 605 130 14ms 27 Oct 2025 828th janbehrens 🇩🇪 605 140 5ms 18 May 2023 829th tpaxman 🇨🇦 605 157 20ms 2 Dec 2020 830th ollyspooner 603 126 14ms 18 Oct 2023 831st albanian-laundromat 603 178 43ms 22 Aug 2025 832nd snoozingnewt 🇺🇸 602 164 110ms 7 days ago 833rd lynn 602 182 27ms 18 Nov 2021 834th Jacob385 601 131 487ms 3 Apr 2024 834th Stockoh 🇫🇷 601 131 645ms 24 Jun 2024 836th DialFrost 🇸🇬 601 133 42ms 11 Dec 2024 837th not-a-pokemon 601 141 4ms 9 Sep 2025 838th sisyphus-ppcg 🇦🇺 599 114 215ms 24 Jun 2022 839th eranws 599 127 16ms 9 Sep 2022 840th timvermeulen 599 190 163ms 4 Jan 2020 841st zdzc 598 159 21ms 10 Jul 2018 841st rzhade3 598 159 18ms 1 Jul 2021 841st NicoAdams 598 159 18ms 21 Nov 2021 841st rowboat1 598 159 650ms 18 Jun 2022 845th avartanii 594 128 21ms 17 Jan 2021 845th MathisBullinger 594 128 20ms 15 Nov 2021 847th abailey2020 🇺🇸 594 160 21ms 13 Dec 2020 847th Espiobest 594 160 22ms 13 Feb 2021 847th knutae 🇳🇴 594 160 19ms 17 Nov 2021 847th jfallon1997 594 160 24ms 5 Jan 2023 847th AtengChen 594 160 20ms 29 Aug 2024 852nd yzhs 🇩🇪 592 75 48ms 7 Jun 2022 853rd CaedenHarper 🇨🇦 592 98 8ms 18 Aug 2025 854th emgordon154 592 133 1,221ms 25 Sep 2024 855th CaedenHarper 🇨🇦 592 135 116ms 18 Aug 2025 856th timvermeulen 592 167 98ms 19 Jan 2020 857th CaedenHarper 🇨🇦 591 124 2,533ms 18 Aug 2025 858th mtirado1 590 153 8ms 18 Apr 2023 859th hardlyBearable 590 161 24ms 11 May 2019 859th Psirving 590 161 19ms 1 Aug 2020 859th SniperSmiley 🇺🇸 590 161 18ms 25 Jun 2022 859th GulgDev 590 161 21ms 21 Mar 2023 863rd ian-odonnell 589 129 15ms 9 Mar 2018 863rd JohnSBarden 589 129 13ms 9 Nov 2021 865th CaedenHarper 🇨🇦 588 144 4ms 11 days ago 866th KatieLG 🇬🇧 588 168 723ms 15 Jan 2023 867th TheZwierzLF 🇵🇱 587 134 1,001ms 5 days ago 868th msrawson 587 162 22ms 15 Aug 2018 869th ian-h-chamberlain 🇺🇸 587 194 161ms 6 Jan 2020 870th omurakazuaki 🇯🇵 585 130 13ms 16 Feb 2021 871st MeWhenI 🇻🇦 585 168 1,452ms 16 Jun 2023 872nd SirBogman 🇺🇸 585 403 77ms 23 Nov 2022 873rd fgrosshans 🇫🇷 583 163 24ms 10 Jun 2024 873rd Papushkado 583 163 18ms 17 days ago 875th emgordon154 583 336 848ms 21 days ago 876th PaulTaykalo 581 170 109ms 24 Sep 2020 877th p01 580 131 13ms 7 Feb 2018 877th Florian-Mt 580 131 14ms 23 Oct 2023 879th phdphil 579 107 175ms 22 Apr 2018 880th CaedenHarper 🇨🇦 579 136 7ms 22 Aug 2025 881st wrhm 579 164 23ms 12 Dec 2020 881st zlee1 579 164 19ms 30 Apr 2021 881st hymanimy 579 164 19ms 8 Jan 2022 884th DanielRHolland 577 194 339ms 12 Nov 2020 885th djeedjay 🇳🇱 576 147 4ms 6 Sep 2021 886th Bodo171 576 165 19ms 5 Dec 2022 887th Yewzir 🇧🇪 575 139 116ms 9 Jun 2024 888th markus-rekdal 573 166 19ms 28 May 2019 888th ay2718 573 166 20ms 17 Jul 2019 888th andre-lameirinhas 🇵🇹 573 166 20ms 4 Sep 2020 888th kenny14231 573 166 19ms 5 Aug 2022 888th KiwiLT 573 166 19ms 22 Nov 2022 888th FlorianCassayre 🇫🇷 573 166 24ms 29 Jan 2023 888th AdamMorris377 573 166 17ms 7 Sep 2024 895th DaCuteRaccoon 572 133 14ms 8 Dec 2022 895th Lv0Sys 🇵🇱 572 133 13ms 26 May 2025 897th Sciman101 572 158 6ms 16 May 2023 898th CaedenHarper 🇨🇦 571 173 705ms 22 Aug 2025 899th BrenSchaap 569 167 21ms 21 Oct 2021 899th petroselo 569 167 22ms 29 Dec 2021 First Prev 826–900 of 1,442 Next Last
