QR Decoder in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 76th Steffan153 🇫🇮 837 129 11 Aug 2024 77th MeWhenI 🇻🇦 837 239 13 Feb 2025 78th MeWhenI 🇻🇦 834 146 28 Feb 2024 79th MeWhenI 🇻🇦 834 251 28 Feb 2024 80th MeWhenI 🇻🇦 833 203 28 Feb 2024 81st Shanethegamer 🇺🇸 833 257 31 Jan 2025 82nd canissimia 🇦🇶 833 316 2 May 2022 83rd AlephSquirrel 832 247 27 Jan 2025 84th sean-niemann 🇺🇸 831 130 11 Aug 2024 85th MeWhenI 🇻🇦 831 156 30 Jul 2024 86th Steffan153 🇫🇮 831 176 11 Aug 2024 87th IanUtley 831 335 20 Dec 2022 88th saito-ta 🇯🇵 828 118 13 Feb 2023 89th MeWhenI 🇻🇦 828 216 7 Jan 2025 90th MeWhenI 🇻🇦 828 277 17 Oct 2021 91st sean-niemann 🇺🇸 825 153 11 Aug 2024 91st Steffan153 🇫🇮 825 153 11 Aug 2024 93rd nwellnhof 🇩🇪 825 391 9 Jul 2022 94th Steffan153 🇫🇮 824 154 11 Aug 2024 95th MeWhenI 🇻🇦 820 193 14 Aug 2022 96th ovs-code 🇩🇪 818 146 10 days ago 97th MeWhenI 🇻🇦 815 364 30 Sep 2021 98th MeWhenI 🇻🇦 814 145 28 Feb 2024 99th UnderKoen 🇳🇱 812 608 11 Nov 2024 100th emplv 🇱🇻 810 150 29 Apr 2022 101st Steffan153 🇫🇮 810 160 31 Jul 2024 102nd MeWhenI 🇻🇦 808 290 6 Jun 2023 103rd Steffan153 🇫🇮 807 148 31 Jul 2024 104th jared-hughes 806 134 30 Jan 2023 105th ovs-code 🇩🇪 805 161 10 Jul 2024 106th sean-niemann 🇺🇸 804 197 11 Aug 2024 106th Steffan153 🇫🇮 804 197 11 Aug 2024 108th MeWhenI 🇻🇦 803 204 28 Feb 2024 109th annaproxy 802 347 18 Sep 2023 110th primo-ppcg 🇹🇭 802 533 2 Aug 2023 111th sean-niemann 🇺🇸 800 148 29 Oct 2024 112th Irratix 🇳🇱 799 152 6 May 2022 112th MeWhenI 🇻🇦 799 152 28 Feb 2024 112th vlpx 🇫🇮 799 152 1 Aug 2024 115th jared-hughes 799 158 30 Jan 2023 116th nwellnhof 🇩🇪 799 193 24 Sep 2021 117th stefangimmillaro 799 221 31 Jul 2023 118th lifthrasiir 🇰🇷 798 84 6 Dec 2024 119th sean-niemann 🇺🇸 798 148 11 Aug 2024 119th Steffan153 🇫🇮 798 148 11 Aug 2024 121st emplv 🇱🇻 795 153 10 Jan 2023 122nd kg583 🇺🇸 794 252 13 Feb 2025 123rd emgordon154 792 403 26 days ago 124th GolfingSuccess 🇬🇷 790 164 18 Sep 2021 124th 5cw 🇺🇸 790 164 8 May 2024 126th Natanaelel 🇸🇪 788 85 12 Jan 2025 127th namelessiw 787 150 11 Aug 2024 128th MeWhenI 🇻🇦 786 152 24 May 2024 129th MeWhenI 🇻🇦 785 147 28 Feb 2024 130th sean-niemann 🇺🇸 785 165 24 days ago 131st lynn 785 241 3 Feb 2023 132nd MeWhenI 🇻🇦 783 138 5 Jul 2024 133rd MeWhenI 🇻🇦 782 187 28 Feb 2024 134th AlephSquirrel 781 166 10 Jun 2023 135th sean-niemann 🇺🇸 780 153 24 days ago 136th adyache 🇺🇸 779 216 28 Aug 2023 137th MeWhenI 🇻🇦 779 223 20 Jul 2023 138th lynn 776 167 13 Feb 2023 139th MeWhenI 🇻🇦 773 128 14 Nov 2022 140th ovs-code 🇩🇪 772 140 10 Jul 2024 141st hallvabo 🇳🇴 771 168 8 Feb 2022 142nd rak1507 🇬🇧 770 87 31 Jan 2022 143rd ovs-code 🇩🇪 769 164 10 Jul 2024 144th MeWhenI 🇻🇦 769 202 28 Feb 2024 145th Steffan153 🇫🇮 768 124 31 Jul 2024 146th MeWhenI 🇻🇦 765 165 28 Feb 2024 147th MeWhenI 🇻🇦 761 188 28 Feb 2024 148th MeWhenI 🇻🇦 758 157 28 Feb 2024 149th MeWhenI 🇻🇦 758 233 13 May 2023 150th MeWhenI 🇻🇦 757 256 28 Feb 2024 Prev 76–150 of 405 Next