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 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 Calendar 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 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 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 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 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 Calendar 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 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 301st jared-hughes 503 143 35ms 10 Sep 2022 302nd prplz 🇦🇺 501 179 9ms 13 Jan 2024 303rd lynn 500 96 36ms 3 Apr 2023 304th jared-hughes 498 180 16ms 9 Apr 2022 305th jerrandolph 497 306 265ms 25 Sep 2025 306th stefangimmillaro 490 147 41ms 12 May 2024 307th MeWhenI 🇻🇦 490 172 134ms 5 Jan 2025 308th janbehrens 🇩🇪 485 238 4ms 4 Dec 2024 309th inventshah 472 190 16ms 12 Nov 2022 309th stefangimmillaro 472 190 24ms 8 Aug 2023 311th p-vf 🇨🇭 470 246 329ms 21 Nov 2021 312th yzhs 🇩🇪 465 193 10ms 4 Jun 2022 313th janbehrens 🇩🇪 465 286 20ms 13 Sep 2022 314th yuchuehw 462 194 17ms 6 Jan 2024 315th CaedenHarper 🇨🇦 461 330 272ms 21 days ago 316th MeWhenI 🇻🇦 460 268 489ms 4 Mar 2022 317th MeWhenI 🇻🇦 459 256 68ms 28 Feb 2024 318th janbehrens 🇩🇪 456 254 344ms 4 Dec 2024 319th nullie 453 198 9ms 14 Jun 2022 320th CaedenHarper 🇨🇦 451 218 867ms 2 Oct 2025 321st KatieLG 🇬🇧 447 161 36ms 2 Oct 2025 322nd janbehrens 🇩🇪 447 218 9ms 4 Dec 2024 323rd elgan65536 443 387 156ms 10 Apr 2024 324th jakobkordez 🇸🇮 437 205 17ms 30 Oct 2022 325th CaedenHarper 🇨🇦 437 299 350ms 7 Oct 2025 326th janbehrens 🇩🇪 434 301 303ms 4 Dec 2024 327th CatsAreFluffy 433 207 17ms 17 Feb 2024 328th Natanaelel 🇸🇪 432 737 20ms 19 Feb 2024 329th StefanHabel 🇨🇦 431 208 11ms 8 Apr 2024 330th rucin93 🇵🇱 430 196 141ms 5 Jan 2025 331st CaedenHarper 🇨🇦 430 269 349ms 17 Oct 2025 332nd MeWhenI 🇻🇦 430 480 80ms 18 Mar 2024 333rd OllieBoyne 🇬🇧 425 211 10ms 19 Aug 2022 334th InigoK 🇺🇸 419 214 16ms 22 Sep 2025 334th blaztoma 🇱🇹 419 214 16ms 19 days ago 336th mathisfun271 417 215 9ms 12 Feb 2024 337th andrewjc2000 415 216 27ms 15 May 2025 338th coreynash 413 236 9ms 13 Feb 2024 338th CaedenHarper 🇨🇦 413 236 11ms 29 Aug 2025 340th antimon2 🇯🇵 408 195 1,207ms 8 Mar 2024 341st BREMAUCY 🇫🇷 406 221 16ms 22 Aug 2025 342nd uttumuttu 🇫🇮 403 242 9ms 9 Apr 2022 343rd pschmid0 🇺🇸 402 287 4ms 23 Oct 2022 344th janbehrens 🇩🇪 401 307 2,233ms 20 Nov 2022 345th guilhem-roy 🇫🇷 395 227 11ms 3 Mar 2022 346th scpchicken 🇵🇼 392 229 19ms 13 Oct 2023 347th Waffle3z 392 249 9ms 18 Sep 2021 348th janbehrens 🇩🇪 392 314 457ms 13 Sep 2022 349th olleicua 🇺🇸 390 250 9ms 21 Feb 2024 350th stu303 385 233 10ms 20 Jul 2022 351st davecame 380 236 16ms 19 Mar 2024 352nd scpchicken 🇵🇼 378 206 2ms 24 Feb 2023 353rd m42km 377 238 18ms 12 Nov 2023 354th CaedenHarper 🇨🇦 374 240 11ms 10 Aug 2025 355th annaproxy 374 309 344ms 20 Mar 2022 356th Xzyaihni 373 459 228ms 20 Oct 2022 357th commandblockguy 🇺🇸 371 242 10ms 27 Sep 2023 358th h3ra993huskp 🇯🇵 371 352 359ms 8 days ago 359th m42km 368 226 1,124ms 4 Feb 2024 360th alemelis 366 245 16ms 27 Aug 2024 361st CaedenHarper 🇨🇦 364 228 670ms 19 Jan 2025 361st commandblockguy 🇺🇸 364 228 841ms 1 Sep 2025 363rd janbehrens 🇩🇪 363 247 10ms 4 Dec 2024 364th janbehrens 🇩🇪 362 291 2ms 13 Sep 2022 365th Waffle3z 356 202 39ms 23 Sep 2021 366th rucin93 🇵🇱 355 234 1,030ms 21 Jan 2024 367th cros107 🇦🇺 352 255 10ms 28 Jan 2024 368th c0d3-4-F00d 🇩🇪 350 301 2ms 21 Mar 2022 369th CedricGebistorf 349 257 16ms 3 Mar 2022 370th MostParsingVex 349 332 3,288ms 11 Nov 2024 371st DialFrost 🇸🇬 348 367 4ms 27 Sep 2024 372nd BambooleanLogic 🇸🇪 347 281 9ms 13 Jul 2023 373rd te-chnical 345 260 22ms 19 days ago 374th MarcMush 🇫🇷 344 261 16ms 14 Jan 2024 375th RYNO8 342 262 17ms 4 Sep 2023 First Prev 301–375 of 457 Next Last