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 451st NewDefectus 🇮🇱 826 92 15ms 16 Oct 2021 451st MeWhenI 🇻🇦 826 92 16ms 9 Jan 2022 451st iczelia 🇩🇪 826 92 21ms 5 Nov 2025 454th jared-hughes 826 96 376ms 23 Jul 2023 455th RYNO8 826 115 20ms 6 Oct 2025 456th lynn 826 119 1,396ms 29 Nov 2021 457th DialFrost 🇸🇬 826 124 431ms 24 Sep 2025 457th Shanethegamer 🇺🇸 826 124 879ms 24 Sep 2025 459th ovs-code 🇩🇪 826 130 8ms 27 Jan 2024 460th ovs-code 🇩🇪 826 237 701ms 15 Apr 2025 461st snoozingnewt 🇨🇦 825 116 112ms 11 hours ago 462nd emplv 🇱🇻 824 97 106ms 31 Oct 2023 463rd DialFrost 🇸🇬 824 118 40ms 10 Feb 2023 463rd edsrzf 🇳🇿 824 118 40ms 12 Nov 2025 465th blaztoma 🇱🇹 823 70 39ms 21 days ago 466th alemelis 822 75 568ms 16 Feb 2024 467th GrayJoKing 🇦🇺 822 136 328ms 4 Dec 2020 468th MeWhenI 🇻🇦 822 154 287ms 17 Apr 2023 469th lifthrasiir 🇰🇷 822 221 232ms 19 Dec 2024 470th MeWhenI 🇻🇦 821 74 912ms 28 Jan 2023 471st emplv 🇱🇻 821 96 20ms 28 Nov 2022 472nd Shanethegamer 🇺🇸 821 114 20ms 6 Nov 2023 472nd Steffan153 🇫🇮 821 114 20ms 29 Jan 2024 474th MeWhenI 🇻🇦 820 94 659ms 13 Feb 2025 475th m-tkach 🇺🇦 820 150 92ms 6 Dec 2022 476th primo-ppcg 🇹🇭 819 120 1,445ms 24 Oct 2021 477th akshatj27 🇦🇶 817 93 15ms 11 Jan 2022 477th duckyluuk 🇳🇱 817 93 14ms 9 Oct 2024 479th AlephSquirrel 816 98 35ms 21 Oct 2024 480th DialFrost 🇸🇬 816 289 51ms 13 Aug 2025 480th frankgraziano 816 289 90ms 13 Oct 2025 482nd Shanethegamer 🇺🇸 815 76 144ms 12 Dec 2021 483rd GrayJoKing 🇦🇺 814 103 14ms 30 Oct 2023 483rd Shanethegamer 🇺🇸 814 103 11ms 22 Apr 2025 485th GrayJoKing 🇦🇺 814 111 21ms 3 Dec 2023 486th MeWhenI 🇻🇦 813 126 640ms 7 Nov 2025 487th dokutan 812 71 39ms 7 Apr 2025 488th jacklynnepenick 812 117 19ms 13 Aug 2021 488th plcc0 812 117 21ms 2 May 2025 490th DialFrost 🇸🇬 810 112 353ms 8 Oct 2024 491st edsrzf 🇳🇿 809 75 38ms 22 Jul 2025 492nd MeWhenI 🇻🇦 807 105 3ms 5 Jul 2024 493rd sean-niemann 🇺🇸 807 141 146ms 31 Oct 2023 494th MeWhenI 🇻🇦 807 200 1,774ms 7 Nov 2025 495th emgordon154 806 111 2,746ms 13 Dec 2024 496th DialFrost 🇸🇬 805 100 403ms 19 Aug 2025 497th lifthrasiir 🇰🇷 805 118 40ms 20 Nov 2024 497th CommandLeo 🇮🇹 805 118 218ms 20 days ago 499th DialFrost 🇸🇬 804 98 35ms 28 Jul 2024 500th typeswitch-dev 🇵🇹 804 126 7ms 6 Jul 2024 501st KatieLG 🇬🇧 803 98 456ms 8 Oct 2025 502nd MeWhenI 🇻🇦 803 113 384ms 15 Nov 2022 502nd sean-niemann 🇺🇸 803 113 355ms 8 Oct 2024 504th Irratix 🇳🇱 800 95 14ms 22 Mar 2022 504th KatieLG 🇬🇧 800 95 15ms 16 Nov 2023 506th stefangimmillaro 800 128 492ms 6 Oct 2025 507th MeWhenI 🇻🇦 800 152 43ms 17 May 2023 508th lynn 799 47 6ms 10 Jan 2022 509th DialFrost 🇸🇬 799 106 3ms 12 Feb 2024 510th bzijlema 🇳🇱 799 119 19ms 3 Jul 2024 510th snoozingnewt 🇨🇦 799 119 196ms 10 hours ago 512th DialFrost 🇸🇬 798 129 59ms 5 Jun 2024 513th lynn 798 159 33ms 21 Jul 2023 514th MeWhenI 🇻🇦 796 45 95ms 28 Jul 2022 515th Shanethegamer 🇺🇸 796 114 375ms 30 Oct 2023 516th FlorianCassayre 🇫🇷 795 44 208ms 26 May 2024 517th scpchicken 🇵🇼 794 78 218ms 4 May 2022 518th sean-niemann 🇺🇸 794 126 44ms 5 May 2023 519th Yewzir 🇧🇪 794 129 680ms 24 Sep 2025 520th rucin93 🇵🇱 793 118 36ms 5 days ago 521st vezzick 792 120 20ms 5 Mar 2021 522nd MeWhenI 🇻🇦 789 117 147ms 17 Nov 2022 523rd MeWhenI 🇻🇦 788 100 19ms 28 May 2023 524th MeWhenI 🇻🇦 788 118 463ms 4 Mar 2022 525th ZakkkkAttackkkk 🇵🇭 785 121 21ms 26 Aug 2023 First Prev 451–525 of 1,451 Next 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