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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 321st yuchuehw 462 194 17ms 6 Jan 2024 322nd CaedenHarper 🇨🇦 461 330 268ms 17 Nov 2025 323rd MeWhenI 🇻🇦 460 268 483ms 4 Mar 2022 324th MeWhenI 🇻🇦 459 256 71ms 28 Feb 2024 325th janbehrens 🇩🇪 456 254 364ms 4 Dec 2024 326th nullie 453 198 9ms 14 Jun 2022 327th CaedenHarper 🇨🇦 451 218 846ms 2 Oct 2025 328th janbehrens 🇩🇪 448 218 9ms 4 Dec 2024 329th KatieLG 🇬🇧 447 161 34ms 2 Oct 2025 330th elgan65536 443 387 156ms 10 Apr 2024 331st CaedenHarper 🇨🇦 438 299 552ms 7 Oct 2025 332nd jakobkordez 🇸🇮 437 205 17ms 30 Oct 2022 333rd janbehrens 🇩🇪 435 301 464ms 4 Dec 2024 334th CatsAreFluffy 433 207 17ms 17 Feb 2024 335th Natanaelel 🇸🇪 432 737 20ms 19 Feb 2024 336th StefanHabel 🇨🇦 431 208 11ms 8 Apr 2024 337th CaedenHarper 🇨🇦 431 269 361ms 17 Oct 2025 338th rucin93 🇵🇱 430 196 141ms 5 Jan 2025 339th MeWhenI 🇻🇦 430 480 80ms 18 Mar 2024 340th OllieBoyne 🇬🇧 425 211 10ms 19 Aug 2022 341st InigoK 🇺🇸 419 214 16ms 22 Sep 2025 342nd mathisfun271 417 215 9ms 12 Feb 2024 343rd andrewjc2000 415 216 27ms 15 May 2025 344th coreynash 414 236 9ms 13 Feb 2024 344th CaedenHarper 🇨🇦 414 236 14ms 29 Aug 2025 346th antimon2 🇯🇵 408 195 1,359ms 8 Mar 2024 347th BREMAUCY 🇫🇷 406 221 16ms 22 Aug 2025 348th uttumuttu 🇫🇮 404 242 12ms 9 Apr 2022 349th pschmid0 🇺🇸 402 287 5ms 23 Oct 2022 350th janbehrens 🇩🇪 401 307 2,502ms 20 Nov 2022 351st guilhem-roy 🇫🇷 395 227 11ms 3 Mar 2022 352nd scpchicken 🇵🇼 392 229 19ms 13 Oct 2023 353rd Waffle3z 392 249 11ms 18 Sep 2021 354th janbehrens 🇩🇪 392 314 457ms 13 Sep 2022 355th olleicua 🇺🇸 391 250 11ms 21 Feb 2024 356th stu303 385 233 10ms 20 Jul 2022 357th davecame 380 236 16ms 19 Mar 2024 358th scpchicken 🇵🇼 379 206 2ms 24 Feb 2023 359th m42km 377 238 18ms 12 Nov 2023 360th annaproxy 375 309 344ms 20 Mar 2022 361st CaedenHarper 🇨🇦 374 240 11ms 10 Aug 2025 362nd Xzyaihni 373 459 229ms 20 Oct 2022 363rd h3ra993huskp 🇯🇵 372 352 457ms 30 Nov 2025 364th commandblockguy 🇺🇸 371 242 10ms 27 Sep 2023 365th m42km 368 226 731ms 4 Feb 2024 366th alemelis 366 245 16ms 27 Aug 2024 367th CaedenHarper 🇨🇦 364 228 715ms 19 Jan 2025 367th commandblockguy 🇺🇸 364 228 538ms 1 Sep 2025 369th janbehrens 🇩🇪 363 247 10ms 4 Dec 2024 370th janbehrens 🇩🇪 362 291 2ms 13 Sep 2022 371st Waffle3z 356 202 35ms 23 Sep 2021 372nd rucin93 🇵🇱 355 234 730ms 21 Jan 2024 373rd cros107 🇦🇺 352 255 10ms 28 Jan 2024 374th c0d3-4-F00d 🇩🇪 350 301 2ms 21 Mar 2022 375th CedricGebistorf 349 257 16ms 3 Mar 2022 376th MostParsingVex 349 332 3,670ms 11 Nov 2024 377th BambooleanLogic 🇸🇪 348 281 10ms 13 Jul 2023 378th DialFrost 🇸🇬 348 367 4ms 27 Sep 2024 379th te-chnical 345 260 22ms 18 Nov 2025 380th MarcMush 🇫🇷 344 261 16ms 14 Jan 2024 381st RYNO8 342 262 17ms 4 Sep 2023 382nd ridingqwerty 🇺🇸 336 267 16ms 14 Feb 2024 383rd janbehrens 🇩🇪 335 237 652ms 4 Dec 2024 384th FortuiteMan 🇫🇷 335 268 16ms 7 Jul 2025 385th msbranicky 335 454 269ms 31 Aug 2023 386th alemelis 334 249 556ms 23 Aug 2024 387th msbranicky 334 437 2ms 27 Aug 2023 388th MeWhenI 🇻🇦 323 531 216ms 18 Mar 2024 389th msbranicky 321 361 2ms 14 Oct 2023 390th MeWhenI 🇻🇦 321 582 119ms 18 Mar 2024 391st tomh1012 320 362 393ms 16 days ago 392nd IISResetMe 318 272 248ms 14 Jun 2024 393rd zakariamouhid 316 309 10ms 8 Jun 2023 394th scpchicken 🇵🇼 315 224 178ms 25 Feb 2023 395th adamnielson42 🇺🇸 314 286 14ms 29 Nov 2023 396th dokutan 310 256 612ms 20 Apr 2025 397th knutae 🇳🇴 303 296 9ms 29 Oct 2021 398th msbranicky 289 310 16ms 12 Aug 2023 399th JDiLenarda 🇫🇷 287 543 1,344ms 24 Nov 2023 400th Lv0Sys 🇵🇱 286 342 9ms 5 Dec 2025 First Prev 321–400 of 463 Next Last