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 401st jusaka 378 614 27ms 8 hours ago 402nd m42km 377 238 19ms 12 Nov 2023 402nd firegene 🇮🇪 377 238 17ms 17 days ago 404th annaproxy 376 309 434ms 20 Mar 2022 405th Xzyaihni 376 459 224ms 20 Oct 2022 406th CaedenHarper 🇨🇦 374 240 11ms 10 Aug 2025 407th h3ra993huskp 🇯🇵 373 352 463ms 30 Nov 2025 408th commandz0 🇺🇸 371 242 10ms 27 Sep 2023 409th m42km 368 226 651ms 4 Feb 2024 410th alemelis 366 245 18ms 27 Aug 2024 410th AstroOrbis 366 245 20ms 22 Feb 2026 412th jusaka 366 426 1,282ms 14 hours ago 413th CaedenHarper 🇨🇦 365 228 671ms 19 Jan 2025 413th commandz0 🇺🇸 365 228 633ms 1 Sep 2025 415th jusaka 364 320 2ms 9 hours ago 416th janbehrens 🇩🇪 363 247 11ms 4 Dec 2024 417th janbehrens 🇩🇪 363 291 2ms 13 Sep 2022 418th jusaka 363 518 138ms 14 hours ago 419th jusaka 359 409 3ms 14 hours ago 420th aksyristos 358 251 20ms 21 days ago 421st rucin93 🇵🇱 355 234 577ms 21 Jan 2024 422nd MostParsingVex 355 332 2,720ms 11 Nov 2024 423rd jusaka 353 197 37ms 14 hours ago 424th cros107 🇦🇺 352 255 11ms 28 Jan 2024 425th c0d3-4-F00d 🇩🇪 351 301 2ms 21 Mar 2022 426th DialFrost 🇸🇬 351 367 4ms 27 Sep 2024 427th jusaka 351 423 6ms 14 hours ago 428th CedricGebistorf 349 257 18ms 3 Mar 2022 429th BambooleanLogic 🇸🇪 348 281 9ms 13 Jul 2023 430th te-chnical 345 260 24ms 18 Nov 2025 431st Waffle3z 344 202 37ms 23 Sep 2021 432nd MarcMush 🇫🇷 344 261 17ms 14 Jan 2024 433rd RYNO8 343 262 16ms 4 Sep 2023 434th jusaka 341 317 189ms 9 hours ago 435th jusaka 340 230 3ms 14 hours ago 436th msbranicky 337 454 324ms 31 Aug 2023 437th janbehrens 🇩🇪 336 237 594ms 4 Dec 2024 438th ridingqwerty 🇺🇸 336 267 17ms 14 Feb 2024 439th msbranicky 336 437 2ms 27 Aug 2023 440th FortuiteMan 🇫🇷 335 268 17ms 7 Jul 2025 441st madex 🇩🇪 335 292 10ms 26 days ago 442nd alemelis 334 249 695ms 23 Aug 2024 443rd madex 🇩🇪 329 273 22ms 26 days ago 444th MeWhenI 🇻🇦 325 531 202ms 18 Mar 2024 445th msbranicky 323 361 2ms 14 Oct 2023 446th MeWhenI 🇻🇦 323 582 119ms 18 Mar 2024 447th tomh1012 321 362 441ms 17 Dec 2025 448th jusaka 320 402 5ms 14 hours ago 449th IISResetMe 319 272 350ms 14 Jun 2024 450th nemoyatpeace 318 282 17ms 12 Jan 2026 451st scpchicken 🇵🇼 316 224 181ms 25 Feb 2023 452nd zakariamouhid 316 309 11ms 8 Jun 2023 453rd adamnielson42 🇺🇸 314 286 15ms 29 Nov 2023 454th dokutan 311 256 620ms 20 Apr 2025 455th knutae 🇳🇴 303 296 10ms 29 Oct 2021 456th jusaka 302 1,419 13ms 8 hours ago 457th msbranicky 290 310 18ms 12 Aug 2023 458th JDiLenarda 🇫🇷 287 543 1,486ms 24 Nov 2023 459th raspofabs 281 319 21ms 12 Nov 2023 460th TheZwierzLF 🇵🇱 280 320 12ms 6 Jan 2026 461st gigaprofisi 🇺🇸 278 352 13ms 4 Sep 2025 462nd jusaka 272 497 7ms 14 hours ago 463rd msbranicky 267 311 699ms 16 Jan 2024 464th TheZwierzLF 🇵🇱 267 312 869ms 6 Jan 2026 465th LeeCamp 267 336 17ms 9 Dec 2021 466th janbehrens 🇩🇪 266 294 3ms 13 Sep 2022 467th mbittner20 265 339 10ms 3 Jul 2023 468th Indivicivet 262 342 11ms 19 Oct 2021 469th KatieLG 🇬🇧 260 1,865 9ms 22 Oct 2025 470th roupiq 🇵🇱 258 348 10ms 5 days ago 471st jusaka 257 337 302ms 8 hours ago 472nd TaserTheFox 🇺🇸 256 351 17ms 19 May 2023 473rd amollberg 🇸🇪 254 353 65ms 7 Jan 2022 474th jusaka 254 604 5ms 9 hours ago 475th Stanbroek 252 490 64ms 19 Sep 2023 476th jusaka 251 282 145ms 14 hours ago 477th TheZwierzLF 🇵🇱 245 284 37ms 6 Jan 2026 478th jusaka 244 326 210ms 14 hours ago 479th JPRuskin 🇬🇧 244 356 318ms 25 Apr 2024 480th KrausRaus 🇺🇸 243 369 17ms 4 Jul 2024 First Prev 401–480 of 529 Next Last