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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 151st GolfingSuccess 🇬🇷 771 155 584ms 5 Aug 2025 152nd rak1507 🇬🇧 770 87 2ms 31 Jan 2022 153rd ovs-code 🇩🇪 769 164 369ms 10 Jul 2024 154th Steffan153 🇫🇮 768 124 35ms 31 Jul 2024 155th MeWhenI 🇻🇦 765 165 371ms 28 Feb 2024 156th rotary-o 🇯🇵 762 175 313ms 8 May 2023 157th acotis 762 229 172ms 31 May 2025 158th MeWhenI 🇻🇦 761 188 323ms 28 Feb 2024 159th MeWhenI 🇻🇦 757 256 68ms 28 Feb 2024 160th lynn 756 158 706ms 17 Feb 2024 160th AlephSquirrel 756 158 465ms 12 Jan 2025 162nd SirBogman 🇺🇸 755 172 17ms 31 Jan 2024 163rd MeWhenI 🇻🇦 755 233 49ms 13 May 2023 164th MeWhenI 🇻🇦 754 181 23ms 28 Feb 2024 165th SirBogman 🇺🇸 751 168 386ms 2 Jan 2022 166th Irratix 🇳🇱 751 173 25ms 6 May 2022 167th SirBogman 🇺🇸 749 150 118ms 31 Jan 2024 168th MeWhenI 🇻🇦 748 157 2ms 28 Feb 2024 169th SirBogman 🇺🇸 747 104 42ms 28 Nov 2023 170th SirBogman 🇺🇸 745 145 2ms 24 Nov 2021 171st sean-niemann 🇺🇸 744 134 845ms 14 Aug 2025 172nd MeWhenI 🇻🇦 744 149 456ms 28 Feb 2024 173rd sean-niemann 🇺🇸 743 212 3ms 23 Jun 2025 174th jared-hughes 742 164 9ms 9 Apr 2022 175th Natanaelel 🇸🇪 740 105 47ms 20 Feb 2024 176th MeWhenI 🇻🇦 739 192 80ms 28 Feb 2024 177th dvargas46 🇺🇸 737 185 21ms 7 Apr 2023 178th edsrzf 🇳🇿 730 178 23ms 4 Oct 2025 179th SirBogman 🇺🇸 729 164 475ms 31 Jan 2024 180th NewDefectus 🇮🇱 729 167 9ms 21 Sep 2021 181st MeWhenI 🇻🇦 729 239 1,702ms 22 Apr 2024 182nd primo-ppcg 🇹🇭 727 131 38ms 28 Sep 2021 183rd emplv 🇱🇻 727 163 140ms 28 Mar 2025 184th prplz 🇦🇺 726 179 10ms 13 Jan 2024 185th CLOStrophobic 🇮🇹 726 283 6ms 3 Mar 2025 186th ovs-code 🇩🇪 725 153 738ms 10 Mar 2024 187th kg583 🇺🇸 725 224 4ms 20 days ago 188th jared-hughes 722 180 17ms 9 Apr 2022 189th GrayJoKing 🇦🇺 720 156 130ms 2 Oct 2021 190th MeWhenI 🇻🇦 713 219 6ms 13 Aug 2024 191st Seek64 🇩🇪 710 183 33ms 17 Jun 2025 192nd inventshah 709 178 392ms 12 Nov 2022 193rd MeWhenI 🇻🇦 708 138 3ms 28 Feb 2024 194th MeWhenI 🇻🇦 706 220 262ms 28 Feb 2024 195th edsrzf 🇳🇿 706 230 4ms 20 days ago 196th SirBogman 🇺🇸 704 163 233ms 31 Jan 2024 197th inventshah 697 155 2ms 12 Nov 2022 198th jared-hughes 692 180 2ms 9 Apr 2022 199th MeWhenI 🇻🇦 689 172 134ms 5 Jan 2025 200th MeWhenI 🇻🇦 689 176 5ms 28 Feb 2024 201st kg583 🇺🇸 687 189 21ms 31 Jan 2024 202nd inventshah 684 190 18ms 12 Nov 2022 202nd stefangimmillaro 684 190 24ms 8 Aug 2023 202nd lifthrasiir 🇰🇷 684 190 18ms 16 Nov 2024 205th MeWhenI 🇻🇦 684 623 13ms 27 Jan 2025 206th pardouin 🇫🇷 681 176 3,946ms 20 May 2025 207th jacobly0 🇺🇸 681 256 1,746ms 22 Apr 2024 208th primo-ppcg 🇹🇭 679 201 14ms 24 Jan 2022 209th stefangimmillaro 678 229 271ms 18 Oct 2023 209th edsrzf 🇳🇿 678 229 245ms 4 Oct 2025 211th Steffan153 🇫🇮 677 197 298ms 11 Aug 2024 212th NewDefectus 🇮🇱 675 160 2ms 28 Dec 2021 213th inventshah 675 174 2ms 12 Nov 2022 214th KrausRaus 🇺🇸 669 182 10ms 30 Jun 2024 215th kg583 🇺🇸 668 179 721ms 17 Jul 2024 216th jared-hughes 666 143 35ms 10 Sep 2022 217th MeWhenI 🇻🇦 666 418 20ms 17 Nov 2021 218th tayloia 🇬🇧 665 183 9ms 4 May 2023 219th KasperKivimaeki 🇫🇮 663 163 2ms 3 Sep 2025 220th stefangimmillaro 661 202 351ms 6 Oct 2025 221st MarcMush 🇫🇷 660 168 536ms 14 Jan 2024 222nd duckyluuk 🇳🇱 659 197 18ms 23 Jun 2024 223rd rucin93 🇵🇱 658 185 8ms 19 Jul 2024 224th lifthrasiir 🇰🇷 657 182 445ms 2 Dec 2024 225th nullie 656 198 10ms 14 Jun 2022 First Prev 151–225 of 446 Next Last