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 321st bac0id 510 257 416ms 25 Jun 2024 322nd prplz 🇦🇺 501 179 10ms 13 Jan 2024 323rd jerrandolph 501 306 368ms 25 Sep 2025 324th lynn 500 96 43ms 3 Apr 2023 325th jared-hughes 499 180 17ms 9 Apr 2022 326th MeWhenI 🇻🇦 491 172 163ms 5 Jan 2025 327th jusaka 491 479 31ms 5 days ago 328th Natanaelel 🇸🇪 490 142 36ms 18 Sep 2021 329th janbehrens 🇩🇪 489 238 5ms 4 Dec 2024 330th jared-hughes 486 143 37ms 10 Sep 2022 331st alexsave 486 201 11ms 3 Jan 2026 332nd jusaka 486 255 158ms 5 days ago 333rd jusaka 485 240 5ms 5 days ago 334th stefangimmillaro 473 147 38ms 12 May 2024 335th inventshah 472 190 17ms 12 Nov 2022 335th stefangimmillaro 472 190 27ms 8 Aug 2023 337th p-vf 🇨🇭 472 246 417ms 21 Nov 2021 338th janbehrens 🇩🇪 467 286 18ms 13 Sep 2022 339th yzhs 🇩🇪 465 193 10ms 4 Jun 2022 340th CaedenHarper 🇨🇦 464 330 360ms 17 Nov 2025 341st yuchuehw 463 194 18ms 6 Jan 2024 342nd jusaka 462 214 826ms 5 days ago 343rd MeWhenI 🇻🇦 462 268 432ms 4 Mar 2022 344th jusaka 461 212 10ms 5 days ago 345th jusaka 461 229 2ms 5 days ago 346th MeWhenI 🇻🇦 459 256 64ms 28 Feb 2024 347th jusaka 458 270 1,555ms 5 days ago 348th janbehrens 🇩🇪 457 254 409ms 4 Dec 2024 349th jusaka 457 459 74ms 5 days ago 350th CaedenHarper 🇨🇦 454 218 1,265ms 2 Oct 2025 351st nullie 453 198 10ms 14 Jun 2022 352nd madex 🇩🇪 453 233 2ms 21 Mar 2026 353rd jusaka 449 185 464ms 5 days ago 354th janbehrens 🇩🇪 449 218 10ms 4 Dec 2024 355th elgan65536 🇺🇸 448 385 165ms 7 Feb 2026 356th CaedenHarper 🇨🇦 439 299 397ms 7 Oct 2025 357th jakobkordez 🇸🇮 438 205 18ms 30 Oct 2022 358th jusaka 437 256 2ms 5 days ago 359th MeWhenI 🇻🇦 437 480 91ms 18 Mar 2024 360th janbehrens 🇩🇪 436 301 463ms 4 Dec 2024 361st jusaka 436 372 747ms 5 days ago 362nd Chinay-Domitrix 🇺🇸 435 271 2,796ms 14 Mar 2026 363rd CatsAreFluffy 434 207 18ms 17 Feb 2024 363rd StefanHabel 🇨🇦 434 207 11ms 9 Mar 2026 365th KatieLG 🇬🇧 432 161 34ms 2 Oct 2025 366th CaedenHarper 🇨🇦 432 269 418ms 17 Oct 2025 367th Natanaelel 🇸🇪 432 737 20ms 19 Feb 2024 368th rucin93 🇵🇱 431 196 155ms 5 Jan 2025 369th jusaka 430 266 2ms 5 days ago 370th jusaka 429 336 40ms 5 days ago 371st scpchicken 🇵🇼 427 210 19ms 12 days ago 372nd jusaka 427 276 2,998ms 4 days ago 373rd OllieBoyne 🇬🇧 425 211 10ms 19 Aug 2022 374th jusaka 425 314 6ms 5 days ago 375th jusaka 424 309 355ms 5 days ago 376th jusaka 423 410 42ms 5 days ago 377th InigoK 🇺🇸 419 214 18ms 22 Sep 2025 378th jusaka 418 278 431ms 5 days ago 379th mathisfun271 417 215 10ms 12 Feb 2024 380th andrewjc2000 415 216 29ms 15 May 2025 381st coreynash 414 236 10ms 13 Feb 2024 381st CaedenHarper 🇨🇦 414 236 16ms 29 Aug 2025 383rd antimon2 🇯🇵 409 195 1,350ms 8 Mar 2024 384th BREMAUCY 🇫🇷 406 221 19ms 22 Aug 2025 385th pschmid0 🇺🇸 405 287 5ms 23 Oct 2022 386th uttumuttu 🇫🇮 404 242 11ms 9 Apr 2022 387th janbehrens 🇩🇪 402 307 2,980ms 20 Nov 2022 388th jusaka 396 1,222 3ms 4 days ago 389th guilhem-roy 🇫🇷 395 227 10ms 3 Mar 2022 390th janbehrens 🇩🇪 395 314 451ms 13 Sep 2022 391st jusaka 394 245 1,539ms 5 days ago 392nd jusaka 394 358 379ms 5 days ago 393rd Waffle3z 393 249 10ms 18 Sep 2021 394th olleicua 🇺🇸 391 250 11ms 21 Feb 2024 395th madex 🇩🇪 389 303 2,546ms 21 Mar 2026 396th stu303 385 233 11ms 20 Jul 2022 397th davecame 380 236 18ms 19 Mar 2024 398th scpchicken 🇵🇼 379 206 3ms 24 Feb 2023 399th jusaka 378 614 27ms 4 days ago 400th m42km 377 238 19ms 12 Nov 2023 First Prev 321–400 of 528 Next Last