QR Decoder 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 161st SirBogman 🇺🇸 741 117 283ms 31 Jan 2024 162nd MeWhenI 🇻🇦 738 181 23ms 28 Feb 2024 163rd nwellnhof 🇩🇪 737 106 9ms 22 May 2022 164th SirBogman 🇺🇸 736 113 474ms 24 Jan 2024 164th duckyluuk 🇳🇱 736 113 537ms 29 Aug 2024 166th SirBogman 🇺🇸 735 168 436ms 2 Jan 2022 167th rak1507 🇬🇧 734 87 2ms 31 Jan 2022 168th CLOStrophobic 🇮🇹 731 203 7ms 6 Mar 2025 169th emgordon154 730 123 17ms 12 Apr 2025 169th snoozingnewt 🇨🇦 730 123 20ms 12 days ago 171st MeWhenI 🇻🇦 729 157 1ms 28 Feb 2024 172nd SirBogman 🇺🇸 728 145 2ms 24 Nov 2021 172nd KasperKivimaeki 🇫🇮 728 145 863ms 14 Nov 2025 174th MeWhenI 🇻🇦 727 202 2ms 28 Feb 2024 175th MeWhenI 🇻🇦 725 192 88ms 28 Feb 2024 176th neel11235813 724 124 22ms 5 Nov 2023 177th dvargas46 🇺🇸 722 185 24ms 7 Apr 2023 178th sean-niemann 🇺🇸 721 134 1,556ms 14 Aug 2025 179th SirBogman 🇺🇸 715 104 32ms 28 Nov 2023 180th jusaka 711 418 68ms 3 days ago 181st vang1ong7ang 710 243 177ms 11 days ago 182nd Natanaelel 🇸🇪 708 105 34ms 20 Feb 2024 183rd orthoplex 🇨🇽 707 127 18ms 26 Oct 2021 183rd ndren 707 127 27ms 22 Nov 2023 185th jusaka 704 245 253ms 10 days ago 186th MeWhenI 🇻🇦 704 272 1,880ms 3 days ago 187th SirBogman 🇺🇸 703 99 42ms 31 Jan 2024 188th edsrzf 🇳🇿 703 218 335ms 16 Dec 2025 189th MeWhenI 🇻🇦 701 219 5ms 13 Aug 2024 190th snoozingnewt 🇨🇦 699 119 700ms 12 days ago 191st annaproxy 696 129 11ms 8 Jun 2022 192nd MeWhenI 🇻🇦 696 220 333ms 28 Feb 2024 193rd dcgjb 694 125 855ms 30 Jan 2024 193rd nwellnhof 🇩🇪 694 125 281ms 18 Oct 2024 195th inventshah 694 178 458ms 12 Nov 2022 196th MeWhenI 🇻🇦 688 623 13ms 27 Jan 2025 197th emgordon154 687 121 399ms 12 Apr 2025 198th Artemis21 🇬🇧 685 131 17ms 10 Jan 2025 199th tatzyr 🇯🇵 682 102 36ms 11 Mar 2025 200th neel11235813 682 122 555ms 27 Mar 2024 201st inventshah 681 155 1ms 12 Nov 2022 202nd MeWhenI 🇻🇦 680 132 11ms 22 Oct 2021 203rd snoozingnewt 🇨🇦 679 205 93ms 19 Oct 2025 204th DialFrost 🇸🇬 675 118 608ms 2 Jan 2024 205th TFeld00 🇩🇰 675 133 17ms 19 May 2022 205th anter69 🇭🇺 675 133 19ms 7 Jul 2025 207th helbling 🇨🇭 674 145 10ms 6 Sep 2024 207th voytxt 🇨🇿 674 145 12ms 2 Jun 2025 209th albanian-laundromat 🇺🇸 673 147 1,332ms 25 Oct 2025 210th MeWhenI 🇻🇦 673 239 40ms 13 Feb 2025 211th MostParsingVex 672 442 29ms 33 hours ago 212th Waffle3z 670 167 2ms 8 Apr 2022 213th pardouin 🇫🇷 670 176 2,432ms 20 May 2025 214th MeWhenI 🇻🇦 669 148 1,083ms 15 Sep 2025 215th stefangimmillaro 669 229 328ms 18 Oct 2023 216th weliveinhell 🇭🇹 665 147 14ms 21 Jan 2024 217th primo-ppcg 🇹🇭 665 201 14ms 24 Jan 2022 218th MeWhenI 🇻🇦 664 418 14ms 17 Nov 2021 219th saito-ta 🇯🇵 662 118 3ms 13 Feb 2023 220th MeWhenI 🇻🇦 662 176 1ms 28 Feb 2024 221st edsrzf 🇳🇿 662 243 39ms 17 Dec 2025 222nd DialFrost 🇸🇬 660 136 19ms 23 Feb 2024 222nd KatieLG 🇬🇧 660 136 10ms 14 Sep 2024 222nd Flekay 🇩🇪 660 136 11ms 15 Feb 2026 222nd jusaka 660 136 11ms 17 days ago 226th NewDefectus 🇮🇱 660 160 1ms 28 Dec 2021 227th inventshah 657 174 1ms 12 Nov 2022 228th dmrichwa 🇺🇸 656 149 9ms 28 Jan 2023 229th ovs-code 🇩🇪 650 128 486ms 6 Jul 2025 230th stefangimmillaro 649 202 451ms 6 Oct 2025 231st edsrzf 🇳🇿 647 199 3ms 16 Nov 2025 232nd albanian-laundromat 🇺🇸 647 227 3ms 6 Jul 2025 233rd MeWhenI 🇻🇦 643 152 10ms 28 Feb 2024 233rd JOrE20 643 152 10ms 23 Feb 2026 235th stefangimmillaro 641 181 404ms 6 Oct 2025 236th MeWhenI 🇻🇦 640 232 7ms 17 Dec 2025 237th emgordon154 637 241 6ms 29 Jun 2025 238th stefangimmillaro 637 255 138ms 24 Jul 2023 239th MeWhenI 🇻🇦 635 131 485ms 13 Jul 2024 240th MeWhenI 🇻🇦 635 170 133ms 23 days ago First Prev 161–240 of 529 Next Last