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 GPT 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 Colors (Inverse) 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 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 GPT 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 Colors (Inverse) 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 301st wh3n3v3r 🇨🇿 491 264 14 Nov 2024 302nd SB-945 489 265 14 Mar 2024 303rd Waffle3z 488 249 18 Sep 2021 304th olleicua 🇺🇸 486 250 21 Feb 2024 305th ridingqwerty 🇺🇸 486 267 14 Feb 2024 305th te-chnical 486 267 11 days ago 307th alemelis 480 249 23 Aug 2024 308th p-vf 🇨🇭 479 246 21 Nov 2021 309th KatieLG 🇬🇧 478 254 26 Oct 2022 310th janbehrens 🇩🇪 477 286 13 Sep 2022 311th scpchicken 🇵🇼 474 206 24 Feb 2023 312th MeWhenI 🇻🇦 473 268 4 Mar 2022 313th Waffle3z 471 202 23 Sep 2021 314th snoozingnewt 🇺🇸 465 279 23 Sep 2023 315th janbehrens 🇩🇪 463 254 4 Dec 2024 316th janbehrens 🇩🇪 462 240 4 Dec 2024 317th adamnielson42 🇺🇸 453 286 29 Nov 2023 318th elgan65536 451 387 10 Apr 2024 319th emgordon154 447 265 5 Jan 2025 320th snoozingnewt 🇺🇸 441 271 11 Feb 2024 321st MeWhenI 🇻🇦 441 480 18 Mar 2024 322nd knutae 🇳🇴 438 296 29 Oct 2021 323rd Natanaelel 🇸🇪 438 737 19 Feb 2024 324th BambooleanLogic 🇸🇪 432 281 13 Jul 2023 325th h3ra993huskp 🇯🇵 426 372 6 May 2024 326th pschmid0 🇺🇸 424 287 23 Oct 2022 327th IISResetMe 421 272 14 Jun 2024 328th msbranicky 418 310 12 Aug 2023 329th andrewjc2000 414 313 42 mins ago 330th janbehrens 🇩🇪 411 307 20 Nov 2022 331st raspofabs 407 319 12 Nov 2023 332nd MeWhenI 🇻🇦 406 506 19 Mar 2024 333rd janbehrens 🇩🇪 404 314 13 Sep 2022 334th yzhs 🇩🇪 392 331 4 Jun 2022 335th LeeCamp 386 336 9 Dec 2021 336th msbranicky 384 311 16 Jan 2024 337th yuchuehw 384 338 5 Jan 2024 338th mbittner20 383 339 3 Jul 2023 339th annaproxy 381 309 20 Mar 2022 340th CatsAreFluffy 380 201 27 Jan 2023 341st Xzyaihni 380 459 20 Oct 2022 342nd Indivicivet 379 342 19 Oct 2021 343rd albanian-laundromat 374 347 4 hours ago 344th janbehrens 🇩🇪 371 291 13 Sep 2022 345th TaserTheFox 🇺🇸 369 351 19 May 2023 346th amollberg 🇸🇪 367 353 7 Jan 2022 347th MostParsingVex 361 332 11 Nov 2024 348th c0d3-4-F00d 🇩🇪 359 301 21 Mar 2022 349th KatieLG 🇬🇧 357 267 9 Jan 2023 350th msbranicky 355 437 27 Aug 2023 351st KrausRaus 🇺🇸 351 369 4 Jul 2024 352nd Pyroan 344 377 16 Apr 2025 353rd eiburns 341 380 27 Oct 2023 353rd roupiq 🇵🇱 341 380 19 Apr 2024 355th msbranicky 340 454 31 Aug 2023 356th msbranicky 336 361 14 Oct 2023 357th michelebastione 🇮🇹 335 387 26 Feb 2022 358th janbehrens 🇩🇪 332 294 13 Sep 2022 359th MeWhenI 🇻🇦 329 531 18 Mar 2024 360th MeWhenI 🇻🇦 325 582 18 Mar 2024 361st JPRuskin 🇬🇧 322 356 25 Apr 2024 362nd camieac 🇬🇧 322 403 22 Nov 2023 363rd madex 🇩🇪 320 405 24 Oct 2024 364th retrohun 309 420 24 Sep 2021 365th dokutan 302 367 18 Mar 2025 366th janbehrens 🇩🇪 296 387 4 Oct 2021 367th martinnorling 🇸🇪 296 438 11 Mar 2022 368th JDiLenarda 🇫🇷 294 543 24 Nov 2023 369th BREMAUCY 🇫🇷 289 448 15 Apr 2025 370th zakariamouhid 275 442 8 Jun 2023 371st madex 🇩🇪 273 349 17 Jul 2024 372nd croc54 273 475 30 Jan 2025 373rd CLOStrophobic 🇮🇹 267 486 10 Feb 2025 374th Yewzir 🇧🇪 263 668 7 May 2024 375th KatieLG 🇬🇧 263 1,876 10 Jan 2023 Prev 301–375 of 405 Next
