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 400th firegene 🇮🇪 377 238 17ms 23 days ago 402nd annaproxy 376 309 434ms 20 Mar 2022 403rd Xzyaihni 376 459 230ms 20 Oct 2022 404th CaedenHarper 🇨🇦 374 240 11ms 10 Aug 2025 405th h3ra993huskp 🇯🇵 373 352 463ms 30 Nov 2025 406th commandz0 🇺🇸 371 242 10ms 27 Sep 2023 407th MostParsingVex 370 319 2,629ms 4 days ago 408th m42km 368 226 651ms 4 Feb 2024 409th alemelis 366 245 18ms 27 Aug 2024 409th AstroOrbis 366 245 20ms 22 Feb 2026 411th jusaka 366 426 1,282ms 6 days ago 412th CaedenHarper 🇨🇦 365 228 671ms 19 Jan 2025 412th commandz0 🇺🇸 365 228 633ms 1 Sep 2025 414th jusaka 364 320 2ms 6 days ago 415th janbehrens 🇩🇪 363 247 11ms 4 Dec 2024 416th janbehrens 🇩🇪 363 291 2ms 13 Sep 2022 417th jusaka 363 518 138ms 6 days ago 418th jusaka 359 409 3ms 6 days ago 419th aksyristos 358 251 20ms 27 days ago 420th rucin93 🇵🇱 355 234 577ms 21 Jan 2024 421st jusaka 353 197 37ms 6 days ago 422nd cros107 🇦🇺 352 255 11ms 28 Jan 2024 423rd c0d3-4-F00d 🇩🇪 351 301 2ms 21 Mar 2022 424th DialFrost 🇸🇬 351 367 4ms 27 Sep 2024 425th jusaka 351 423 6ms 6 days ago 426th CedricGebistorf 349 257 18ms 3 Mar 2022 427th BambooleanLogic 🇸🇪 348 281 9ms 13 Jul 2023 428th te-chnical 345 260 24ms 18 Nov 2025 429th Waffle3z 344 202 37ms 23 Sep 2021 430th MarcMush 🇫🇷 344 261 17ms 14 Jan 2024 431st RYNO8 343 262 16ms 4 Sep 2023 432nd jusaka 341 317 189ms 6 days ago 433rd jusaka 340 230 3ms 6 days ago 434th msbranicky 337 454 324ms 31 Aug 2023 435th janbehrens 🇩🇪 336 237 594ms 4 Dec 2024 436th ridingqwerty 🇺🇸 336 267 17ms 14 Feb 2024 437th msbranicky 336 437 2ms 27 Aug 2023 438th FortuiteMan 🇫🇷 335 268 17ms 7 Jul 2025 439th madex 🇩🇪 335 292 10ms 21 Mar 2026 440th alemelis 334 249 695ms 23 Aug 2024 441st madex 🇩🇪 329 273 22ms 21 Mar 2026 442nd MeWhenI 🇻🇦 325 531 211ms 18 Mar 2024 443rd msbranicky 323 361 2ms 14 Oct 2023 444th MeWhenI 🇻🇦 323 582 119ms 18 Mar 2024 445th tomh1012 321 362 441ms 17 Dec 2025 446th jusaka 320 402 5ms 6 days ago 447th IISResetMe 319 272 350ms 14 Jun 2024 448th nemoyatpeace 318 282 17ms 12 Jan 2026 449th scpchicken 🇵🇼 316 224 181ms 25 Feb 2023 450th zakariamouhid 316 309 11ms 8 Jun 2023 451st adamnielson42 🇺🇸 314 286 15ms 29 Nov 2023 452nd dokutan 311 256 620ms 20 Apr 2025 453rd knutae 🇳🇴 303 296 10ms 29 Oct 2021 454th jusaka 302 1,419 13ms 6 days ago 455th msbranicky 289 310 18ms 12 Aug 2023 456th JDiLenarda 🇫🇷 287 543 1,486ms 24 Nov 2023 457th raspofabs 281 319 21ms 12 Nov 2023 458th TheZwierzLF 🇵🇱 280 320 12ms 6 Jan 2026 459th gigaprofisi 🇺🇸 278 352 13ms 4 Sep 2025 460th jusaka 272 497 7ms 6 days ago 461st msbranicky 267 311 699ms 16 Jan 2024 462nd LeeCamp 267 336 17ms 9 Dec 2021 463rd janbehrens 🇩🇪 266 294 3ms 13 Sep 2022 464th TheZwierzLF 🇵🇱 266 312 869ms 6 Jan 2026 465th mbittner20 265 339 10ms 3 Jul 2023 466th Indivicivet 262 342 11ms 19 Oct 2021 467th Yewzir 🇧🇪 261 741 1,689ms 2 days ago 468th KatieLG 🇬🇧 260 1,865 9ms 22 Oct 2025 469th roupiq 🇵🇱 258 348 10ms 11 days ago 470th jusaka 257 337 302ms 6 days ago 471st TaserTheFox 🇺🇸 256 351 17ms 19 May 2023 472nd amollberg 🇸🇪 254 353 65ms 7 Jan 2022 473rd jusaka 254 604 5ms 6 days ago 474th Stanbroek 252 490 70ms 19 Sep 2023 475th jusaka 251 282 145ms 6 days ago 476th TheZwierzLF 🇵🇱 245 284 42ms 6 Jan 2026 477th jusaka 244 326 210ms 6 days ago 478th JPRuskin 🇬🇧 244 356 318ms 25 Apr 2024 479th KrausRaus 🇺🇸 243 369 17ms 4 Jul 2024 480th Pyroan 238 377 11ms 16 Apr 2025 First Prev 401–480 of 528 Next Last