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 rucin93 🇵🇱 735 133 10ms 19 Jan 2025 162nd SirBogman 🇺🇸 734 168 452ms 2 Jan 2022 163rd MeWhenI 🇻🇦 734 181 23ms 28 Feb 2024 164th rak1507 🇬🇧 733 87 2ms 31 Jan 2022 165th emgordon154 730 123 16ms 12 Apr 2025 165th snoozingnewt 🇨🇦 730 123 17ms 9 hours ago 167th scpchicken 🇵🇼 730 256 133ms 43 hours ago 168th SirBogman 🇺🇸 727 145 2ms 24 Nov 2021 168th KasperKivimaeki 🇫🇮 727 145 864ms 14 Nov 2025 170th CLOStrophobic 🇮🇹 727 203 9ms 6 Mar 2025 171st neel11235813 724 124 19ms 5 Nov 2023 172nd MeWhenI 🇻🇦 723 157 1ms 28 Feb 2024 173rd MeWhenI 🇻🇦 722 202 2ms 28 Feb 2024 174th MeWhenI 🇻🇦 720 239 1,735ms 22 Apr 2024 175th sean-niemann 🇺🇸 718 134 1,256ms 14 Aug 2025 176th dvargas46 🇺🇸 718 185 24ms 7 Apr 2023 177th MeWhenI 🇻🇦 718 192 88ms 28 Feb 2024 178th SirBogman 🇺🇸 715 104 32ms 28 Nov 2023 179th Natanaelel 🇸🇪 708 105 34ms 20 Feb 2024 180th orthoplex 🇨🇽 707 127 17ms 26 Oct 2021 180th ndren 707 127 25ms 22 Nov 2023 182nd jusaka 704 245 164ms 12 hours ago 183rd SirBogman 🇺🇸 702 99 45ms 31 Jan 2024 184th edsrzf 🇳🇿 701 218 305ms 16 Dec 2025 185th snoozingnewt 🇨🇦 698 119 399ms 9 hours ago 186th annaproxy 696 129 10ms 8 Jun 2022 187th MeWhenI 🇻🇦 695 219 5ms 13 Aug 2024 188th MeWhenI 🇻🇦 694 220 287ms 28 Feb 2024 189th dcgjb 692 125 885ms 30 Jan 2024 189th nwellnhof 🇩🇪 692 125 280ms 18 Oct 2024 191st inventshah 692 178 457ms 12 Nov 2022 192nd emgordon154 686 121 411ms 12 Apr 2025 193rd Artemis21 🇬🇧 685 131 17ms 10 Jan 2025 194th tatzyr 🇯🇵 681 102 36ms 11 Mar 2025 195th neel11235813 681 122 418ms 27 Mar 2024 196th MeWhenI 🇻🇦 680 132 10ms 22 Oct 2021 197th inventshah 680 155 1ms 12 Nov 2022 198th MeWhenI 🇻🇦 677 623 13ms 27 Jan 2025 199th TFeld00 🇩🇰 675 133 16ms 19 May 2022 199th anter69 🇭🇺 675 133 16ms 7 Jul 2025 201st DialFrost 🇸🇬 674 118 603ms 2 Jan 2024 202nd helbling 🇨🇭 674 145 10ms 6 Sep 2024 202nd voytxt 🇨🇿 674 145 11ms 2 Jun 2025 204th snoozingnewt 🇨🇦 673 205 93ms 19 Oct 2025 205th jacobly0 🇺🇸 672 256 1,867ms 22 Apr 2024 206th snoozingnewt 🇨🇦 670 227 126ms 28 Feb 2026 207th albanian-laundromat 🇺🇸 669 147 1,640ms 25 Oct 2025 208th pardouin 🇫🇷 667 176 2,432ms 20 May 2025 209th stefangimmillaro 667 229 293ms 18 Oct 2023 210th Waffle3z 666 167 2ms 8 Apr 2022 211th MeWhenI 🇻🇦 666 239 40ms 13 Feb 2025 212th weliveinhell 🇭🇹 665 147 11ms 21 Jan 2024 213th MeWhenI 🇻🇦 665 148 1,494ms 15 Sep 2025 214th saito-ta 🇯🇵 661 118 3ms 13 Feb 2023 215th primo-ppcg 🇹🇭 661 201 14ms 24 Jan 2022 216th DialFrost 🇸🇬 660 136 17ms 23 Feb 2024 216th KatieLG 🇬🇧 660 136 10ms 14 Sep 2024 216th Flekay 🇩🇪 660 136 11ms 15 Feb 2026 216th jusaka 660 136 11ms 5 days ago 220th NewDefectus 🇮🇱 659 160 1ms 28 Dec 2021 221st MeWhenI 🇻🇦 659 176 2ms 28 Feb 2024 222nd dmrichwa 🇺🇸 656 149 12ms 28 Jan 2023 223rd MeWhenI 🇻🇦 656 418 14ms 17 Nov 2021 224th edsrzf 🇳🇿 655 243 39ms 17 Dec 2025 225th inventshah 652 174 1ms 12 Nov 2022 226th ovs-code 🇩🇪 649 128 464ms 6 Jul 2025 227th stefangimmillaro 648 202 451ms 6 Oct 2025 228th MeWhenI 🇻🇦 643 152 10ms 28 Feb 2024 228th JOrE20 643 152 9ms 23 Feb 2026 230th albanian-laundromat 🇺🇸 643 227 3ms 6 Jul 2025 231st edsrzf 🇳🇿 641 199 3ms 16 Nov 2025 232nd stefangimmillaro 640 181 384ms 6 Oct 2025 233rd MostParsingVex 637 459 26ms 16 Jan 2025 234th MeWhenI 🇻🇦 636 232 7ms 17 Dec 2025 235th MeWhenI 🇻🇦 634 131 427ms 13 Jul 2024 236th stefangimmillaro 632 255 135ms 24 Jul 2023 237th stefangimmillaro 632 273 162ms 17 Nov 2023 238th emgordon154 631 241 6ms 29 Jun 2025 239th ovs-code 🇩🇪 628 143 10ms 6 Jul 2025 240th MeWhenI 🇻🇦 628 170 133ms 11 days ago First Prev 161–240 of 480 Next Last