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 241st stefangimmillaro 628 227 113ms 3 Oct 2023 242nd lynn 627 249 1,351ms 25 Oct 2021 243rd jared-hughes 618 180 1ms 9 Apr 2022 244th AdrienHache 🇫🇷 617 188 398ms 25 Jul 2025 245th ovs-code 🇩🇪 615 113 36ms 6 Jul 2025 246th MeWhenI 🇻🇦 612 188 4ms 28 Feb 2024 247th KatieLG 🇬🇧 611 136 412ms 28 Oct 2024 248th dokutan 610 147 18ms 10 Sep 2025 249th stefangimmillaro 605 159 1,268ms 20 Oct 2023 250th annaproxy 605 309 129ms 4 Sep 2022 251st emgordon154 603 162 11ms 7 Aug 2024 252nd stefangimmillaro 602 195 2,634ms 12 Nov 2024 253rd postie77 601 193 376ms 24 Mar 2023 254th error256 601 223 9ms 29 Jul 2024 255th Lv0Sys 🇵🇱 601 254 336ms 28 Feb 2026 256th rucin93 🇵🇱 598 150 18ms 31 May 2025 256th Babafaba 598 150 17ms 29 Oct 2025 258th AlephSquirrel 597 247 6ms 27 Jan 2025 259th jared-hughes 596 164 11ms 9 Apr 2022 260th bac0id 592 208 422ms 25 Jun 2024 261st targrik 591 196 5ms 106 mins ago 262nd qpwoeirut 590 152 16ms 5 Oct 2025 263rd MeWhenI 🇻🇦 589 147 253ms 28 Feb 2024 264th RaBa21 🇭🇺 587 153 17ms 31 Jul 2025 265th NewDefectus 🇮🇱 585 167 10ms 21 Sep 2021 266th MeWhenI 🇻🇦 582 191 1ms 28 Feb 2024 267th DialFrost 🇸🇬 577 201 4ms 18 Jan 2024 268th KatieLG 🇬🇧 575 170 10ms 5 Oct 2025 269th MeWhenI 🇻🇦 574 272 1,305ms 14 Jun 2023 270th wh3n3v3r 🇨🇿 572 157 16ms 14 Nov 2024 270th blaztoma 🇱🇹 572 157 15ms 28 Dec 2025 272nd bac0id 570 185 1ms 25 Jun 2024 273rd Babafaba 569 146 394ms 29 Oct 2025 273rd dokutan 569 146 346ms 14 Feb 2026 275th SB-945 568 158 9ms 14 Mar 2024 275th robin-scragg 568 158 17ms 27 Aug 2025 277th lynn 568 303 153ms 31 Mar 2022 277th andersk 🇺🇸 568 303 223ms 1 Nov 2022 279th MeWhenI 🇻🇦 565 138 3ms 28 Feb 2024 280th albanian-laundromat 🇺🇸 561 160 17ms 27 Jun 2025 280th Lv0Sys 🇵🇱 561 160 10ms 28 Feb 2026 282nd bac0id 557 208 395ms 25 Jun 2024 283rd jared-hughes 551 135 33ms 25 May 2022 284th ryyyn 🇺🇸 551 163 16ms 9 Dec 2025 285th edsrzf 🇳🇿 548 210 4ms 16 Dec 2025 286th 5cw 🇺🇸 547 164 10ms 8 May 2024 287th FlorianCassayre 🇫🇷 544 165 10ms 21 Oct 2023 287th JOrE20 544 165 10ms 4 Dec 2025 289th AlephSquirrel 541 166 13ms 10 Jun 2023 289th bricknellj 541 166 16ms 3 Apr 2025 291st janAkali 🇷🇺 541 259 380ms 14 days ago 292nd blaztoma 🇱🇹 541 281 122ms 28 Nov 2025 293rd MeWhenI 🇻🇦 537 148 381ms 28 Feb 2024 294th lynn 537 167 10ms 13 Feb 2023 295th KrausRaus 🇺🇸 537 182 10ms 30 Jun 2024 295th Lv0Sys 🇵🇱 537 182 10ms 28 Feb 2026 297th tayloia 🇬🇧 534 183 10ms 4 May 2023 298th snoozingnewt 🇨🇦 534 302 125ms 20 Nov 2025 299th primo-ppcg 🇹🇭 530 131 36ms 28 Sep 2021 299th olleicua 🇺🇸 530 131 35ms 20 Feb 2025 301st Seek64 🇩🇪 528 170 10ms 27 Nov 2025 302nd MichalMarsalek 🇨🇿 527 266 398ms 12 Oct 2023 303rd ovs-code 🇩🇪 526 151 818ms 10 Mar 2024 304th lynn 526 158 477ms 17 Feb 2024 304th AlephSquirrel 526 158 475ms 12 Jan 2025 306th edsrzf 🇳🇿 525 171 23ms 16 Dec 2025 307th DialFrost 🇸🇬 525 221 1ms 29 Jan 2024 308th emgordon154 523 161 154ms 18 Oct 2024 309th Salutations45 523 187 10ms 15 Oct 2025 310th bac0id 519 275 125ms 25 Jun 2024 311th emplv 🇱🇻 517 163 164ms 28 Mar 2025 312th Natanaelel 🇸🇪 515 363 144ms 16 Jun 2025 313th retrohun 513 259 61ms 23 Nov 2022 314th blaztoma 🇱🇹 510 153 3ms 14 Dec 2025 315th bac0id 509 257 416ms 25 Jun 2024 316th prplz 🇦🇺 501 179 10ms 13 Jan 2024 317th lynn 500 96 43ms 3 Apr 2023 318th jared-hughes 499 180 16ms 9 Apr 2022 319th jerrandolph 499 306 290ms 25 Sep 2025 320th MeWhenI 🇻🇦 490 172 141ms 5 Jan 2025 First Prev 241–320 of 480 Next Last