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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 101st btnlq 809 107 248ms 3 Oct 2021 102nd MeWhenI 🇻🇦 809 203 17ms 28 Feb 2024 103rd MeWhenI 🇻🇦 807 212 17ms 7 Jan 2025 104th sean-niemann 🇺🇸 806 103 429ms 9 Mar 2025 105th UnderKoen 🇳🇱 806 593 4ms 11 Nov 2024 106th Steffan153 🇫🇮 805 153 63ms 11 Aug 2024 107th scpchicken 🇵🇼 805 232 119ms 14 days ago 108th MeWhenI 🇻🇦 803 364 25ms 30 Sep 2021 109th Irratix 🇳🇱 801 112 21ms 7 May 2022 109th plcc0 801 112 17ms 20 Feb 2026 111th Steffan153 🇫🇮 800 154 444ms 11 Aug 2024 112th MeWhenI 🇻🇦 799 145 406ms 19 Jun 2025 113th kg583 🇺🇸 794 113 17ms 22 Oct 2023 113th lifthrasiir 🇰🇷 794 113 25ms 16 Nov 2024 115th MeWhenI 🇻🇦 794 146 5ms 28 Feb 2024 116th primo-ppcg 🇹🇭 794 531 10ms 20 Jun 2025 117th MeWhenI 🇻🇦 793 165 536ms 7 Nov 2025 118th vang1ong7ang 793 217 160ms 5 hours ago 119th kg583 🇺🇸 792 285 84ms 2 days ago 120th nwellnhof 🇩🇪 791 193 345ms 24 Sep 2021 121st MeWhenI 🇻🇦 791 204 147ms 28 Feb 2024 122nd MeWhenI 🇻🇦 791 290 31ms 6 Jun 2023 123rd annaproxy 791 347 118ms 18 Sep 2023 124th jared-hughes 787 134 2ms 30 Jan 2023 125th sean-niemann 🇺🇸 783 148 418ms 11 Aug 2024 125th Steffan153 🇫🇮 783 148 431ms 11 Aug 2024 127th jared-hughes 780 158 65ms 30 Jan 2023 128th emgordon154 780 398 1,208ms 4 Oct 2025 129th MarcMush 🇫🇷 779 102 775ms 14 Jan 2024 130th namelessiw 779 168 532ms 15 Nov 2025 130th Steffan153 🇫🇮 779 168 529ms 11 Feb 2026 132nd stefangimmillaro 777 221 40ms 31 Jul 2023 133rd lynn 775 241 121ms 3 Feb 2023 134th duckyluuk 🇳🇱 774 116 20ms 29 Aug 2024 134th CornerMercury 🇬🇧 774 116 17ms 8 days ago 136th sean-niemann 🇺🇸 774 169 569ms 24 Sep 2025 137th namelessiw 773 150 436ms 11 Aug 2024 138th adyache 🇺🇸 770 208 61ms 28 Aug 2023 139th kg583 🇺🇸 769 108 540ms 20 Feb 2024 139th lifthrasiir 🇰🇷 769 108 559ms 2 Dec 2024 141st GrayJoKing 🇦🇺 768 92 165ms 30 Sep 2021 142nd snoozingnewt 🇨🇦 766 180 80ms 7 days ago 143rd MeWhenI 🇻🇦 764 138 1ms 5 Jul 2024 144th sean-niemann 🇺🇸 764 191 2ms 4 Jul 2025 145th pardouin 🇫🇷 763 126 1,486ms 14 Aug 2025 146th rucin93 🇵🇱 763 128 10ms 12 days ago 147th Yax42 🇫🇷 763 152 395ms 24 Nov 2025 148th MeWhenI 🇻🇦 763 187 121ms 28 Feb 2024 149th MeWhenI 🇻🇦 760 223 3ms 20 Jul 2023 150th lifthrasiir 🇰🇷 759 84 2ms 6 Dec 2024 151st emplv 🇱🇻 758 153 5ms 10 Jan 2023 152nd Yax42 🇫🇷 757 173 756ms 17 Dec 2025 153rd ovs-code 🇩🇪 753 140 1ms 10 Jul 2024 154th MeWhenI 🇻🇦 753 189 40ms 28 Feb 2024 155th MeWhenI 🇻🇦 751 128 1,366ms 14 Nov 2022 156th ovs-code 🇩🇪 751 164 440ms 10 Jul 2024 157th acotis 751 229 183ms 31 May 2025 158th Natanaelel 🇸🇪 750 85 2ms 12 Jan 2025 159th primo-ppcg 🇹🇭 750 104 3ms 22 May 2022 160th MeWhenI 🇻🇦 750 188 390ms 28 Feb 2024 161st rotary-o 🇯🇵 748 175 405ms 8 May 2023 162nd MeWhenI 🇻🇦 747 165 441ms 28 Feb 2024 163rd SirBogman 🇺🇸 740 117 299ms 31 Jan 2024 164th MeWhenI 🇻🇦 737 233 40ms 13 May 2023 165th nwellnhof 🇩🇪 736 106 9ms 22 May 2022 166th SirBogman 🇺🇸 735 113 474ms 24 Jan 2024 166th duckyluuk 🇳🇱 735 113 537ms 29 Aug 2024 168th SirBogman 🇺🇸 734 168 426ms 2 Jan 2022 169th MeWhenI 🇻🇦 734 181 23ms 28 Feb 2024 170th rak1507 🇬🇧 733 87 2ms 31 Jan 2022 171st emgordon154 730 123 17ms 12 Apr 2025 171st snoozingnewt 🇨🇦 730 123 20ms 20 days ago 173rd SirBogman 🇺🇸 727 145 2ms 24 Nov 2021 173rd KasperKivimaeki 🇫🇮 727 145 863ms 14 Nov 2025 175th CLOStrophobic 🇮🇹 727 203 7ms 6 Mar 2025 176th neel11235813 724 124 22ms 5 Nov 2023 177th MeWhenI 🇻🇦 723 157 1ms 28 Feb 2024 178th MeWhenI 🇻🇦 722 202 2ms 28 Feb 2024 179th sean-niemann 🇺🇸 718 134 1,556ms 14 Aug 2025 180th dvargas46 🇺🇸 718 185 24ms 7 Apr 2023 181st MeWhenI 🇻🇦 718 192 103ms 28 Feb 2024 182nd SirBogman 🇺🇸 715 104 32ms 28 Nov 2023 183rd Natanaelel 🇸🇪 708 105 34ms 20 Feb 2024 184th orthoplex 🇨🇽 707 127 18ms 26 Oct 2021 184th ndren 707 127 27ms 22 Nov 2023 186th MeWhenI 🇻🇦 704 272 1,759ms 12 days ago 187th MostParsingVex 703 416 30ms 7 days ago 188th SirBogman 🇺🇸 702 99 40ms 31 Jan 2024 189th edsrzf 🇳🇿 701 218 335ms 16 Dec 2025 190th snoozingnewt 🇨🇦 698 119 700ms 20 days ago 191st annaproxy 696 129 11ms 8 Jun 2022 192nd MeWhenI 🇻🇦 695 219 5ms 13 Aug 2024 193rd MeWhenI 🇻🇦 694 220 333ms 28 Feb 2024 194th dcgjb 692 125 822ms 30 Jan 2024 194th nwellnhof 🇩🇪 692 125 228ms 18 Oct 2024 196th inventshah 692 178 445ms 12 Nov 2022 197th emgordon154 686 121 399ms 12 Apr 2025 198th Artemis21 🇬🇧 685 131 17ms 10 Jan 2025 199th tatzyr 🇯🇵 681 102 38ms 11 Mar 2025 200th neel11235813 681 122 555ms 27 Mar 2024 First Prev 101–200 of 481 Next Last