Roman to Arabic in all languages in chars. 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 Chars Time Submitted 800th MichalMarsalek 🇨🇿 585 123 23ms 9 Oct 2022 800th qpwoeirut 585 123 21ms 20 Nov 2025 800th zhaohm14 585 123 20ms 9 Jan 2026 804th KatieLG 🇬🇧 585 168 761ms 15 Jan 2023 805th janbehrens 🇩🇪 584 140 4ms 18 May 2023 805th madex 🇩🇪 584 140 4ms 5 days ago 807th emgordon154 583 336 1,617ms 6 Nov 2025 808th omurakazuaki 🇯🇵 582 130 15ms 16 Feb 2021 809th madex 🇩🇪 582 155 457ms 14 Mar 2026 810th not-a-pokemon 579 141 4ms 9 Sep 2025 811th frankgraziano 579 173 22ms 24 Feb 2026 812th p01 578 131 19ms 7 Feb 2018 812th Florian-Mt 578 131 18ms 23 Oct 2023 814th JRaspass 🇬🇧 578 132 9ms 1 Oct 2022 815th madex 🇩🇪 578 160 190ms 14 Mar 2026 816th PaulTaykalo 578 170 120ms 24 Sep 2020 817th CaedenHarper 🇨🇦 576 124 2,394ms 18 Aug 2025 818th annaproxy 575 125 21ms 9 May 2022 818th commandz0 🇺🇸 575 125 22ms 21 May 2023 818th davecame 575 125 24ms 14 Sep 2023 821st CaedenHarper 🇨🇦 575 136 9ms 22 Aug 2025 822nd MeWhenI 🇻🇦 573 77 6ms 16 Apr 2023 822nd janbehrens 🇩🇪 573 77 6ms 18 May 2023 824th alexsave 573 132 25ms 14 Jan 2026 825th MeWhenI 🇻🇦 573 168 1,794ms 16 Jun 2023 826th DanielRHolland 573 194 359ms 12 Nov 2020 827th Indivicivet 571 126 23ms 26 Oct 2021 827th vishwathg 571 126 25ms 2 Feb 2023 829th Yewzir 🇧🇪 571 139 151ms 9 Jun 2024 830th DaCuteRaccoon 569 133 15ms 8 Dec 2022 831st commandz0 🇺🇸 568 114 522ms 1 Sep 2025 832nd Sciman101 568 158 6ms 16 May 2023 833rd CaedenHarper 🇨🇦 568 173 757ms 22 Aug 2025 834th CaedenHarper 🇨🇦 567 144 4ms 16 Nov 2025 835th marcin7Cd 566 127 29ms 28 Sep 2019 836th melven 566 215 42ms 16 Oct 2025 837th flekAI 565 134 15ms 3 days ago 838th annaproxy 565 197 327ms 23 Feb 2023 839th Natanaelel 🇸🇪 563 145 4ms 16 Feb 2026 840th janbehrens 🇩🇪 562 105 2,700ms 18 May 2023 841st daedals 562 128 22ms 31 May 2019 841st mathb0y512 562 128 19ms 11 Jan 2024 841st mathisfun271 562 128 44ms 13 Feb 2024 841st moustave 562 128 22ms 7 Apr 2025 845th GrayJoKing 🇦🇺 560 61 40ms 23 Oct 2020 846th HumanoidCPU 560 135 26ms 8 Jun 2024 847th CaedenHarper 🇨🇦 559 117 177ms 17 Aug 2025 848th Jacob385 559 181 388ms 28 Oct 2025 849th jared-hughes 557 129 23ms 2 Oct 2021 849th ahmetdemirag 🇨🇾 557 129 24ms 4 Jul 2024 851st BambooleanLogic 🇸🇪 556 136 22ms 3 Nov 2022 852nd djeedjay 🇳🇱 556 147 3ms 6 Sep 2021 853rd CaedenHarper 🇨🇦 556 181 64ms 16 Nov 2025 854th emgordon154 555 221 112ms 10 Jun 2025 855th JunkIce 553 117 470ms 3 Dec 2024 856th Bmrl7 553 130 22ms 7 Mar 2024 857th lynn 551 62 40ms 24 Oct 2021 858th Anonymousellama21 549 131 22ms 16 May 2024 859th uttumuttu 🇫🇮 548 138 19ms 5 Jan 2022 859th KaleChips22 548 138 14ms 3 Aug 2025 861st kkoenig 546 228 343ms 13 Sep 2024 862nd joll05 🇸🇪 545 132 25ms 20 Aug 2020 862nd SnowballSH 545 132 26ms 3 Feb 2021 862nd jeff-at-tamer-dot-codes 🇺🇸 545 132 28ms 25 Mar 2024 865th UnderKoen 🇳🇱 545 225 129ms 8 Jul 2024 866th ShiraJoseph 🇺🇸 544 139 16ms 25 Jun 2023 867th tkwa 541 133 25ms 4 Dec 2018 867th fourth-bit 541 133 51ms 13 Jul 2023 869th mckymsh 540 140 15ms 1 Mar 2022 870th phdphil 537 93 213ms 22 Apr 2018 871st relet 537 134 20ms 8 Aug 2018 872nd bstrautin 536 109 3,927ms 26 Jul 2020 873rd jared-hughes 534 64 43ms 17 Apr 2022 874th suwat513 533 135 49ms 15 Sep 2022 875th elgan65536 🇺🇸 531 214 190ms 27 Mar 2024 876th kevinmchung 529 136 34ms 3 Apr 2018 876th jarekwg 529 136 21ms 2 Oct 2020 876th OCNeve 529 136 21ms 18 Jun 2024 876th minhtrancccp 529 136 24ms 25 Nov 2024 880th xkacer 🇨🇿 529 143 20ms 25 Jan 2021 First Prev 801–880 of 1,617 Next Last