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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 76th pardouin 🇫🇷 841 142 516ms 25 Jun 2024 77th sean-niemann 🇺🇸 840 151 433ms 11 Aug 2024 78th error256 839 231 791ms 29 Jul 2024 79th Steffan153 🇫🇮 837 129 2ms 11 Aug 2024 80th MeWhenI 🇻🇦 837 239 50ms 13 Feb 2025 81st MeWhenI 🇻🇦 833 156 10ms 30 Jul 2024 82nd MeWhenI 🇻🇦 833 203 15ms 28 Feb 2024 83rd Shanethegamer 🇺🇸 833 254 475ms 2 Apr 2025 84th canissimia 🇦🇶 833 316 16ms 2 May 2022 85th AlephSquirrel 832 247 5ms 27 Jan 2025 86th sean-niemann 🇺🇸 831 130 2ms 11 Aug 2024 87th Steffan153 🇫🇮 831 176 108ms 11 Aug 2024 88th IanUtley 831 335 34ms 20 Dec 2022 89th sean-niemann 🇺🇸 830 152 420ms 17 Jul 2025 90th lynn 829 96 36ms 3 Apr 2023 91st saito-ta 🇯🇵 828 118 3ms 13 Feb 2023 92nd MeWhenI 🇻🇦 828 216 17ms 7 Jan 2025 93rd MeWhenI 🇻🇦 828 277 7ms 17 Oct 2021 94th Steffan153 🇫🇮 825 153 66ms 11 Aug 2024 95th nwellnhof 🇩🇪 825 391 66ms 9 Jul 2022 96th Steffan153 🇫🇮 824 154 446ms 11 Aug 2024 97th MeWhenI 🇻🇦 816 145 347ms 19 Jun 2025 98th MeWhenI 🇻🇦 815 148 814ms 15 Sep 2025 99th MeWhenI 🇻🇦 815 364 27ms 30 Sep 2021 100th MeWhenI 🇻🇦 814 146 6ms 28 Feb 2024 101st emplv 🇱🇻 812 150 10ms 29 Apr 2022 102nd Steffan153 🇫🇮 812 160 16ms 31 Jul 2024 103rd UnderKoen 🇳🇱 812 608 4ms 11 Nov 2024 104th MeWhenI 🇻🇦 808 290 32ms 6 Jun 2023 105th Steffan153 🇫🇮 807 148 598ms 31 Jul 2024 106th kg583 🇺🇸 807 248 44ms 20 Jun 2025 107th jared-hughes 806 134 2ms 30 Jan 2023 108th MeWhenI 🇻🇦 804 99 35ms 28 Feb 2024 109th MeWhenI 🇻🇦 803 204 143ms 28 Feb 2024 110th nwellnhof 🇩🇪 802 193 263ms 24 Sep 2021 111th annaproxy 802 347 127ms 18 Sep 2023 112th primo-ppcg 🇹🇭 802 531 10ms 20 Jun 2025 113th Irratix 🇳🇱 801 152 9ms 6 May 2022 113th MeWhenI 🇻🇦 801 152 9ms 28 Feb 2024 113th vlpx 🇫🇮 801 152 9ms 1 Aug 2024 116th sean-niemann 🇺🇸 800 148 159ms 29 Oct 2024 117th kg583 🇺🇸 800 265 7ms 2 Aug 2025 118th sean-niemann 🇺🇸 799 148 377ms 11 Aug 2024 118th Steffan153 🇫🇮 799 148 338ms 11 Aug 2024 120th jared-hughes 799 158 58ms 30 Jan 2023 121st lifthrasiir 🇰🇷 798 84 3ms 6 Dec 2024 122nd stefangimmillaro 796 221 45ms 31 Jul 2023 123rd GolfingSuccess 🇬🇷 792 164 18ms 18 Sep 2021 123rd 5cw 🇺🇸 792 164 9ms 8 May 2024 125th emgordon154 792 398 1,053ms 19 days ago 126th pardouin 🇫🇷 791 126 955ms 14 Aug 2025 127th sean-niemann 🇺🇸 790 169 366ms 24 Sep 2025 128th lynn 790 241 135ms 3 Feb 2023 129th Natanaelel 🇸🇪 788 85 2ms 12 Jan 2025 130th namelessiw 788 150 306ms 11 Aug 2024 131st sean-niemann 🇺🇸 787 165 17ms 9 Mar 2025 132nd MeWhenI 🇻🇦 786 152 972ms 24 May 2024 133rd MeWhenI 🇻🇦 783 138 2ms 5 Jul 2024 134th AlephSquirrel 782 166 13ms 10 Jun 2023 134th bricknellj 782 166 17ms 3 Apr 2025 136th MeWhenI 🇻🇦 782 187 107ms 28 Feb 2024 137th pardouin 🇫🇷 781 122 44ms 22 Aug 2025 138th MeWhenI 🇻🇦 781 147 221ms 28 Feb 2024 139th sean-niemann 🇺🇸 780 153 676ms 9 Mar 2025 140th namelessiw 780 171 467ms 17 days ago 141st MeWhenI 🇻🇦 780 202 3ms 28 Feb 2024 142nd MeWhenI 🇻🇦 779 128 828ms 14 Nov 2022 143rd adyache 🇺🇸 779 216 77ms 28 Aug 2023 144th MeWhenI 🇻🇦 779 223 3ms 20 Jul 2023 145th lynn 778 167 13ms 13 Feb 2023 146th emplv 🇱🇻 777 153 4ms 10 Jan 2023 147th hallvabo 🇳🇴 773 168 27ms 8 Feb 2022 148th ovs-code 🇩🇪 772 140 2ms 10 Jul 2024 149th rak1507 🇬🇧 770 87 2ms 31 Jan 2022 150th GolfingSuccess 🇬🇷 770 155 584ms 5 Aug 2025 First Prev 76–150 of 442 Next Last