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 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 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 Polygon Triangulations QR Encoder Quadratic Formula 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 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 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 301st commandblockguy 🇺🇸 493 242 15 Jan 2024 302nd CatsAreFluffy 493 263 17 Feb 2024 303rd wh3n3v3r 🇨🇿 491 264 14 Nov 2024 304th SB-945 489 265 14 Mar 2024 305th Waffle3z 488 249 18 Sep 2021 306th olleicua 🇺🇸 486 250 21 Feb 2024 307th ridingqwerty 🇺🇸 486 267 14 Feb 2024 307th te-chnical 486 267 3 May 2025 309th alemelis 480 249 23 Aug 2024 310th p-vf 🇨🇭 479 246 21 Nov 2021 311th KatieLG 🇬🇧 478 254 26 Oct 2022 312th janbehrens 🇩🇪 477 286 13 Sep 2022 313th scpchicken 🇵🇼 474 206 24 Feb 2023 314th MeWhenI 🇻🇦 473 268 4 Mar 2022 315th Waffle3z 471 202 23 Sep 2021 316th snoozingnewt 🇺🇸 465 279 23 Sep 2023 317th janbehrens 🇩🇪 463 254 4 Dec 2024 318th janbehrens 🇩🇪 462 240 4 Dec 2024 319th adamnielson42 🇺🇸 453 286 29 Nov 2023 320th elgan65536 451 387 10 Apr 2024 321st emgordon154 447 265 5 Jan 2025 322nd snoozingnewt 🇺🇸 441 271 11 Feb 2024 323rd MeWhenI 🇻🇦 441 480 18 Mar 2024 324th knutae 🇳🇴 438 296 29 Oct 2021 325th Natanaelel 🇸🇪 438 737 19 Feb 2024 326th BambooleanLogic 🇸🇪 432 281 13 Jul 2023 327th h3ra993huskp 🇯🇵 426 372 6 May 2024 328th pschmid0 🇺🇸 424 287 23 Oct 2022 329th IISResetMe 421 272 14 Jun 2024 330th msbranicky 418 310 12 Aug 2023 331st janbehrens 🇩🇪 411 307 20 Nov 2022 332nd raspofabs 407 319 12 Nov 2023 333rd MeWhenI 🇻🇦 406 506 19 Mar 2024 334th janbehrens 🇩🇪 404 314 13 Sep 2022 335th yzhs 🇩🇪 392 331 4 Jun 2022 336th LeeCamp 386 336 9 Dec 2021 337th msbranicky 384 311 16 Jan 2024 338th yuchuehw 384 338 5 Jan 2024 339th mbittner20 383 339 3 Jul 2023 340th annaproxy 381 309 20 Mar 2022 341st CatsAreFluffy 380 201 27 Jan 2023 342nd Xzyaihni 380 459 20 Oct 2022 343rd Indivicivet 379 342 19 Oct 2021 344th albanian-laundromat 374 347 21 days ago 345th janbehrens 🇩🇪 371 291 13 Sep 2022 346th TaserTheFox 🇺🇸 369 351 19 May 2023 347th amollberg 🇸🇪 367 353 7 Jan 2022 348th MostParsingVex 361 332 11 Nov 2024 349th c0d3-4-F00d 🇩🇪 359 301 21 Mar 2022 350th KatieLG 🇬🇧 357 267 9 Jan 2023 351st msbranicky 355 437 27 Aug 2023 352nd KrausRaus 🇺🇸 351 369 4 Jul 2024 353rd Pyroan 344 377 16 Apr 2025 354th eiburns 341 380 27 Oct 2023 354th roupiq 🇵🇱 341 380 19 Apr 2024 356th msbranicky 340 454 31 Aug 2023 357th msbranicky 336 361 14 Oct 2023 358th michelebastione 🇮🇹 335 387 26 Feb 2022 359th janbehrens 🇩🇪 332 294 13 Sep 2022 360th MeWhenI 🇻🇦 329 531 18 Mar 2024 361st MeWhenI 🇻🇦 325 582 18 Mar 2024 362nd JPRuskin 🇬🇧 322 356 25 Apr 2024 363rd camieac 🇬🇧 322 403 22 Nov 2023 364th madex 🇩🇪 320 405 24 Oct 2024 365th retrohun 309 420 24 Sep 2021 366th dokutan 302 367 18 Mar 2025 367th janbehrens 🇩🇪 296 387 4 Oct 2021 368th martinnorling 🇸🇪 296 438 11 Mar 2022 369th JDiLenarda 🇫🇷 294 543 24 Nov 2023 370th BREMAUCY 🇫🇷 289 448 15 Apr 2025 371st zakariamouhid 275 442 8 Jun 2023 372nd madex 🇩🇪 273 349 17 Jul 2024 373rd croc54 273 475 30 Jan 2025 374th CLOStrophobic 🇮🇹 267 486 10 Feb 2025 375th Yewzir 🇧🇪 263 668 7 May 2024 Prev 301–375 of 406 Next
