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 151st ovs-code 🇩🇪 769 164 384ms 10 Jul 2024 152nd Steffan153 🇫🇮 768 124 35ms 31 Jul 2024 153rd MeWhenI 🇻🇦 765 165 413ms 28 Feb 2024 154th rotary-o 🇯🇵 762 175 412ms 8 May 2023 155th acotis 762 229 195ms 31 May 2025 156th MeWhenI 🇻🇦 761 188 425ms 28 Feb 2024 157th MeWhenI 🇻🇦 757 256 68ms 28 Feb 2024 158th lynn 756 158 706ms 17 Feb 2024 158th AlephSquirrel 756 158 465ms 12 Jan 2025 160th SirBogman 🇺🇸 755 172 17ms 31 Jan 2024 161st MeWhenI 🇻🇦 755 233 49ms 13 May 2023 162nd MeWhenI 🇻🇦 754 181 23ms 28 Feb 2024 163rd SirBogman 🇺🇸 751 168 448ms 2 Jan 2022 164th Irratix 🇳🇱 751 173 25ms 6 May 2022 165th SirBogman 🇺🇸 749 150 118ms 31 Jan 2024 166th MeWhenI 🇻🇦 748 157 2ms 28 Feb 2024 167th SirBogman 🇺🇸 747 104 42ms 28 Nov 2023 168th SirBogman 🇺🇸 745 145 2ms 24 Nov 2021 169th sean-niemann 🇺🇸 744 134 919ms 14 Aug 2025 170th MeWhenI 🇻🇦 744 149 456ms 28 Feb 2024 171st sean-niemann 🇺🇸 743 212 4ms 23 Jun 2025 172nd jared-hughes 742 164 9ms 9 Apr 2022 173rd Natanaelel 🇸🇪 740 105 47ms 20 Feb 2024 174th MeWhenI 🇻🇦 739 192 94ms 28 Feb 2024 175th dvargas46 🇺🇸 737 185 21ms 7 Apr 2023 176th edsrzf 🇳🇿 730 178 24ms 20 days ago 177th NewDefectus 🇮🇱 729 167 11ms 21 Sep 2021 178th MeWhenI 🇻🇦 729 239 1,716ms 22 Apr 2024 179th SirBogman 🇺🇸 728 164 475ms 31 Jan 2024 180th primo-ppcg 🇹🇭 727 131 38ms 28 Sep 2021 181st emplv 🇱🇻 727 163 149ms 28 Mar 2025 182nd prplz 🇦🇺 726 179 10ms 13 Jan 2024 183rd CLOStrophobic 🇮🇹 726 283 6ms 3 Mar 2025 184th ovs-code 🇩🇪 725 153 738ms 10 Mar 2024 185th kg583 🇺🇸 725 224 4ms 85 mins ago 186th jared-hughes 722 180 17ms 9 Apr 2022 187th GrayJoKing 🇦🇺 720 156 130ms 2 Oct 2021 188th MeWhenI 🇻🇦 713 219 6ms 13 Aug 2024 189th Seek64 🇩🇪 710 183 33ms 17 Jun 2025 190th inventshah 709 178 407ms 12 Nov 2022 191st MeWhenI 🇻🇦 708 138 3ms 28 Feb 2024 192nd edsrzf 🇳🇿 706 230 4ms 2 hours ago 193rd SirBogman 🇺🇸 704 163 233ms 31 Jan 2024 194th MeWhenI 🇻🇦 704 220 262ms 28 Feb 2024 195th inventshah 697 155 2ms 12 Nov 2022 196th jared-hughes 692 180 2ms 9 Apr 2022 197th MeWhenI 🇻🇦 691 193 378ms 14 Aug 2022 198th MeWhenI 🇻🇦 689 172 139ms 5 Jan 2025 199th MeWhenI 🇻🇦 689 176 2ms 28 Feb 2024 200th kg583 🇺🇸 687 189 21ms 31 Jan 2024 201st inventshah 684 190 18ms 12 Nov 2022 201st stefangimmillaro 684 190 24ms 8 Aug 2023 201st lifthrasiir 🇰🇷 684 190 18ms 16 Nov 2024 204th MeWhenI 🇻🇦 684 623 14ms 27 Jan 2025 205th pardouin 🇫🇷 681 176 2,852ms 20 May 2025 206th jacobly0 🇺🇸 681 256 1,678ms 22 Apr 2024 207th primo-ppcg 🇹🇭 679 201 14ms 24 Jan 2022 208th Steffan153 🇫🇮 677 197 468ms 11 Aug 2024 209th stefangimmillaro 676 229 275ms 18 Oct 2023 209th edsrzf 🇳🇿 676 229 297ms 20 days ago 211th NewDefectus 🇮🇱 675 160 2ms 28 Dec 2021 212th inventshah 675 174 2ms 12 Nov 2022 213th KrausRaus 🇺🇸 669 182 10ms 30 Jun 2024 214th kg583 🇺🇸 667 179 721ms 17 Jul 2024 215th jared-hughes 666 143 35ms 10 Sep 2022 216th MeWhenI 🇻🇦 666 418 20ms 17 Nov 2021 217th tayloia 🇬🇧 665 183 11ms 4 May 2023 218th KasperKivimaeki 🇫🇮 663 163 3ms 3 Sep 2025 219th stefangimmillaro 661 202 454ms 18 days ago 220th MarcMush 🇫🇷 660 168 536ms 14 Jan 2024 221st duckyluuk 🇳🇱 659 197 18ms 23 Jun 2024 222nd rucin93 🇵🇱 658 185 10ms 19 Jul 2024 223rd lifthrasiir 🇰🇷 656 182 445ms 2 Dec 2024 224th nullie 656 198 10ms 14 Jun 2022 224th emgordon154 656 198 9ms 7 days ago First Prev 151–225 of 442 Next Last