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 MeWhenI 🇻🇦 490 172 149ms 5 Jan 2025 322nd Natanaelel 🇸🇪 489 142 36ms 18 Sep 2021 323rd janbehrens 🇩🇪 487 238 5ms 4 Dec 2024 324th jared-hughes 486 143 37ms 10 Sep 2022 325th alexsave 486 201 9ms 3 Jan 2026 326th stefangimmillaro 473 147 38ms 12 May 2024 327th inventshah 472 190 17ms 12 Nov 2022 327th stefangimmillaro 472 190 27ms 8 Aug 2023 329th p-vf 🇨🇭 471 246 382ms 21 Nov 2021 330th yzhs 🇩🇪 465 193 10ms 4 Jun 2022 331st janbehrens 🇩🇪 465 286 18ms 13 Sep 2022 332nd yuchuehw 463 194 18ms 6 Jan 2024 333rd CaedenHarper 🇨🇦 463 330 360ms 17 Nov 2025 334th MeWhenI 🇻🇦 460 268 432ms 4 Mar 2022 335th MeWhenI 🇻🇦 459 256 64ms 28 Feb 2024 336th janbehrens 🇩🇪 456 254 386ms 4 Dec 2024 337th nullie 453 198 10ms 14 Jun 2022 338th madex 🇩🇪 452 233 2ms 19 days ago 339th CaedenHarper 🇨🇦 451 218 1,265ms 2 Oct 2025 340th janbehrens 🇩🇪 448 218 10ms 4 Dec 2024 341st elgan65536 🇺🇸 448 385 157ms 7 Feb 2026 342nd jakobkordez 🇸🇮 438 205 18ms 30 Oct 2022 343rd CaedenHarper 🇨🇦 438 299 397ms 7 Oct 2025 344th janbehrens 🇩🇪 435 301 463ms 4 Dec 2024 345th CatsAreFluffy 434 207 18ms 17 Feb 2024 345th StefanHabel 🇨🇦 434 207 11ms 9 Mar 2026 347th Chinay-Domitrix 🇺🇸 433 271 2,796ms 26 days ago 348th KatieLG 🇬🇧 432 161 34ms 2 Oct 2025 349th Natanaelel 🇸🇪 432 737 20ms 19 Feb 2024 350th CaedenHarper 🇨🇦 431 269 401ms 17 Oct 2025 351st rucin93 🇵🇱 430 196 170ms 5 Jan 2025 352nd MeWhenI 🇻🇦 430 480 91ms 18 Mar 2024 353rd scpchicken 🇵🇼 427 210 19ms 22 hours ago 354th OllieBoyne 🇬🇧 425 211 10ms 19 Aug 2022 355th InigoK 🇺🇸 419 214 18ms 22 Sep 2025 356th mathisfun271 417 215 10ms 12 Feb 2024 357th andrewjc2000 415 216 29ms 15 May 2025 358th coreynash 414 236 10ms 13 Feb 2024 358th CaedenHarper 🇨🇦 414 236 12ms 29 Aug 2025 360th antimon2 🇯🇵 408 195 1,191ms 8 Mar 2024 361st BREMAUCY 🇫🇷 406 221 19ms 22 Aug 2025 362nd uttumuttu 🇫🇮 404 242 12ms 9 Apr 2022 363rd pschmid0 🇺🇸 404 287 4ms 23 Oct 2022 364th janbehrens 🇩🇪 401 307 2,980ms 20 Nov 2022 365th guilhem-roy 🇫🇷 395 227 10ms 3 Mar 2022 366th Waffle3z 392 249 10ms 18 Sep 2021 367th janbehrens 🇩🇪 392 314 451ms 13 Sep 2022 368th olleicua 🇺🇸 391 250 13ms 21 Feb 2024 369th madex 🇩🇪 387 303 2,546ms 19 days ago 370th stu303 385 233 11ms 20 Jul 2022 371st davecame 380 236 18ms 19 Mar 2024 372nd scpchicken 🇵🇼 379 206 3ms 24 Feb 2023 373rd m42km 377 238 19ms 12 Nov 2023 373rd firegene 🇮🇪 377 238 18ms 10 days ago 375th Xzyaihni 376 459 224ms 20 Oct 2022 376th annaproxy 375 309 402ms 20 Mar 2022 377th CaedenHarper 🇨🇦 374 240 11ms 10 Aug 2025 378th h3ra993huskp 🇯🇵 372 352 463ms 30 Nov 2025 379th commandz0 🇺🇸 371 242 10ms 27 Sep 2023 380th m42km 368 226 651ms 4 Feb 2024 381st alemelis 366 245 18ms 27 Aug 2024 381st AstroOrbis 366 245 20ms 22 Feb 2026 383rd CaedenHarper 🇨🇦 364 228 671ms 19 Jan 2025 383rd commandz0 🇺🇸 364 228 633ms 1 Sep 2025 385th janbehrens 🇩🇪 363 247 11ms 4 Dec 2024 386th janbehrens 🇩🇪 362 291 2ms 13 Sep 2022 387th aksyristos 358 251 20ms 14 days ago 388th rucin93 🇵🇱 355 234 577ms 21 Jan 2024 389th MostParsingVex 354 332 2,720ms 11 Nov 2024 390th cros107 🇦🇺 352 255 11ms 28 Jan 2024 391st c0d3-4-F00d 🇩🇪 350 301 2ms 21 Mar 2022 392nd CedricGebistorf 349 257 18ms 3 Mar 2022 393rd BambooleanLogic 🇸🇪 348 281 13ms 13 Jul 2023 394th DialFrost 🇸🇬 348 367 4ms 27 Sep 2024 395th te-chnical 345 260 24ms 18 Nov 2025 396th Waffle3z 344 202 37ms 23 Sep 2021 397th MarcMush 🇫🇷 344 261 17ms 14 Jan 2024 398th RYNO8 343 262 16ms 4 Sep 2023 399th ridingqwerty 🇺🇸 336 267 17ms 14 Feb 2024 400th msbranicky 336 454 324ms 31 Aug 2023 First Prev 321–400 of 482 Next Last