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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 226th emgordon154 628 190 12 Jan 2025 227th annaproxy 626 207 6 May 2022 228th AdrienHache 🇫🇷 625 189 3 Jan 2025 229th stefangimmillaro 623 159 20 Oct 2023 230th StefanHabel 🇨🇦 623 208 8 Apr 2024 230th emgordon154 623 208 12 Jan 2025 232nd DialFrost 🇸🇬 616 180 18 Jan 2024 233rd bac0id 616 257 25 Jun 2024 234th stefangimmillaro 614 195 12 Nov 2024 235th OllieBoyne 🇬🇧 614 211 19 Aug 2022 236th postie77 612 193 24 Mar 2023 237th annaproxy 612 309 4 Sep 2022 238th Artemis21 🇬🇧 611 212 3 Jan 2025 239th emgordon154 610 252 12 Jan 2025 240th bac0id 607 208 25 Jun 2024 241st DialFrost 🇸🇬 605 201 18 Jan 2024 242nd rucin93 🇵🇱 604 196 5 Jan 2025 243rd mathisfun271 603 215 12 Feb 2024 244th TFeld00 🇩🇰 600 216 19 May 2022 245th weliveinhell 🇭🇹 599 203 19 Jul 2024 245th helbling 🇨🇭 599 203 6 Sep 2024 247th neel11235813 594 201 1 Apr 2024 248th ndren 592 219 22 Nov 2023 248th neel11235813 592 219 1 Apr 2024 250th MeWhenI 🇻🇦 588 272 14 Jun 2023 251st voytxt 🇨🇿 587 207 31 Jul 2024 252nd DialFrost 🇸🇬 586 221 18 Jan 2024 253rd bac0id 584 185 25 Jun 2024 254th KatieLG 🇬🇧 584 222 7 Jul 2024 255th scpchicken 🇵🇼 584 324 17 Mar 2023 256th jared-hughes 576 135 25 May 2022 257th dmrichwa 🇺🇸 576 211 17 Jun 2023 258th lynn 574 303 31 Mar 2022 259th edsrzf 🇳🇿 573 269 28 Jan 2025 260th guilhem-roy 🇫🇷 571 227 3 Mar 2022 261st antimon2 🇯🇵 569 195 8 Mar 2024 262nd bac0id 568 208 25 Jun 2024 263rd scpchicken 🇵🇼 566 229 13 Oct 2023 264th janbehrens 🇩🇪 557 218 4 Dec 2024 265th stu303 556 233 20 Jul 2022 266th davecame 549 236 19 Mar 2024 267th DialFrost 🇸🇬 548 221 29 Jan 2024 268th m42km 545 238 12 Nov 2023 269th InigoK 🇺🇸 540 240 11 Jun 2023 270th KatieLG 🇬🇧 538 222 27 Oct 2024 271st MichalMarsalek 🇨🇿 538 266 12 Oct 2023 272nd commandblockguy 🇺🇸 536 242 27 Sep 2023 273rd CaedenHarper 🇨🇦 533 243 19 Jan 2025 274th olleicua 🇺🇸 532 179 20 Feb 2025 275th bac0id 532 275 25 Jun 2024 276th alemelis 529 245 27 Aug 2024 276th CornerMercury 🇬🇧 529 245 2 Mar 2025 278th m42km 528 226 4 Feb 2024 279th dokutan 527 246 24 Feb 2025 280th retrohun 527 259 23 Nov 2022 281st janbehrens 🇩🇪 526 301 4 Dec 2024 282nd FlorianCassayre 🇫🇷 525 247 21 Oct 2023 282nd janbehrens 🇩🇪 525 247 4 Dec 2024 284th CaedenHarper 🇨🇦 524 228 19 Jan 2025 285th Natanaelel 🇸🇪 520 183 18 Feb 2024 286th rucin93 🇵🇱 518 250 21 Jan 2024 287th coreynash 515 236 13 Feb 2024 288th janbehrens 🇩🇪 511 238 4 Dec 2024 289th DialFrost 🇸🇬 511 367 27 Sep 2024 290th rucin93 🇵🇱 510 234 21 Jan 2024 291st cros107 508 255 28 Jan 2024 292nd CedricGebistorf 504 257 3 Mar 2022 293rd andersk 🇺🇸 503 346 1 Nov 2022 294th uttumuttu 🇫🇮 502 242 9 Apr 2022 295th scpchicken 🇵🇼 501 224 25 Feb 2023 296th Waffle3z 500 249 18 Sep 2021 297th snoozingnewt 🇺🇸 500 284 14 Oct 2023 298th MarcMush 🇫🇷 497 261 14 Jan 2024 299th emgordon154 496 245 4 Aug 2024 300th RYNO8 495 262 4 Sep 2023 Prev 226–300 of 405 Next