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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 201st MeWhenI 🇻🇦 680 132 11ms 22 Oct 2021 202nd inventshah 680 155 1ms 12 Nov 2022 203rd MeWhenI 🇻🇦 677 623 13ms 27 Jan 2025 204th TFeld00 🇩🇰 675 133 17ms 19 May 2022 204th anter69 🇭🇺 675 133 19ms 7 Jul 2025 206th DialFrost 🇸🇬 674 118 608ms 2 Jan 2024 207th helbling 🇨🇭 674 145 12ms 6 Sep 2024 207th voytxt 🇨🇿 674 145 10ms 2 Jun 2025 209th albanian-laundromat 🇺🇸 669 147 857ms 25 Oct 2025 210th pardouin 🇫🇷 667 176 2,694ms 20 May 2025 211th stefangimmillaro 667 229 328ms 18 Oct 2023 212th Waffle3z 666 167 2ms 8 Apr 2022 213th MeWhenI 🇻🇦 666 239 40ms 13 Feb 2025 214th weliveinhell 🇭🇹 665 147 11ms 21 Jan 2024 215th MeWhenI 🇻🇦 665 148 776ms 15 Sep 2025 216th saito-ta 🇯🇵 661 118 3ms 13 Feb 2023 217th primo-ppcg 🇹🇭 661 201 14ms 24 Jan 2022 218th DialFrost 🇸🇬 660 136 19ms 23 Feb 2024 218th KatieLG 🇬🇧 660 136 10ms 14 Sep 2024 218th Flekay 🇩🇪 660 136 11ms 15 Feb 2026 221st NewDefectus 🇮🇱 659 160 1ms 28 Dec 2021 222nd MeWhenI 🇻🇦 659 176 1ms 28 Feb 2024 223rd dmrichwa 🇺🇸 656 149 10ms 28 Jan 2023 224th MeWhenI 🇻🇦 656 418 14ms 17 Nov 2021 225th edsrzf 🇳🇿 655 243 39ms 17 Dec 2025 226th inventshah 652 174 1ms 12 Nov 2022 227th ovs-code 🇩🇪 649 128 486ms 6 Jul 2025 228th stefangimmillaro 648 202 473ms 6 Oct 2025 229th MeWhenI 🇻🇦 643 152 12ms 28 Feb 2024 229th JOrE20 643 152 11ms 23 Feb 2026 231st albanian-laundromat 🇺🇸 643 227 3ms 6 Jul 2025 232nd edsrzf 🇳🇿 641 199 3ms 16 Nov 2025 233rd stefangimmillaro 640 181 395ms 6 Oct 2025 234th MeWhenI 🇻🇦 636 232 7ms 17 Dec 2025 235th MeWhenI 🇻🇦 634 131 485ms 13 Jul 2024 236th stefangimmillaro 632 255 138ms 24 Jul 2023 237th emgordon154 631 241 6ms 29 Jun 2025 238th stefangimmillaro 630 273 164ms 17 Nov 2023 239th ovs-code 🇩🇪 628 143 9ms 6 Jul 2025 240th MeWhenI 🇻🇦 628 170 133ms 27 Mar 2026 241st stefangimmillaro 628 227 107ms 3 Oct 2023 242nd jared-hughes 618 180 1ms 9 Apr 2022 243rd AdrienHache 🇫🇷 617 188 500ms 25 Jul 2025 244th ovs-code 🇩🇪 615 113 38ms 6 Jul 2025 245th MeWhenI 🇻🇦 612 188 4ms 28 Feb 2024 246th KatieLG 🇬🇧 611 136 549ms 28 Oct 2024 247th dokutan 610 147 20ms 10 Sep 2025 248th stefangimmillaro 605 159 1,302ms 20 Oct 2023 249th annaproxy 605 309 129ms 4 Sep 2022 250th targrik 604 192 5ms 7 days ago 251st emgordon154 603 162 13ms 7 Aug 2024 252nd stefangimmillaro 602 195 2,497ms 12 Nov 2024 253rd postie77 601 193 409ms 24 Mar 2023 254th error256 601 223 8ms 29 Jul 2024 255th Lv0Sys 🇵🇱 601 254 343ms 28 Feb 2026 256th rucin93 🇵🇱 598 150 17ms 31 May 2025 256th Babafaba 598 150 18ms 29 Oct 2025 258th AlephSquirrel 597 247 6ms 27 Jan 2025 259th jared-hughes 596 164 9ms 9 Apr 2022 260th scpchicken 🇵🇼 595 131 4ms 4 days ago 261st bac0id 592 208 456ms 25 Jun 2024 262nd qpwoeirut 590 152 19ms 5 Oct 2025 263rd MeWhenI 🇻🇦 589 147 285ms 28 Feb 2024 264th RaBa21 🇭🇺 587 153 17ms 31 Jul 2025 265th NewDefectus 🇮🇱 585 167 10ms 21 Sep 2021 266th MeWhenI 🇻🇦 582 191 1ms 28 Feb 2024 267th DialFrost 🇸🇬 577 201 6ms 18 Jan 2024 268th KatieLG 🇬🇧 575 170 15ms 5 Oct 2025 269th wh3n3v3r 🇨🇿 572 157 20ms 14 Nov 2024 269th blaztoma 🇱🇹 572 157 16ms 28 Dec 2025 271st bac0id 570 185 1ms 25 Jun 2024 272nd Babafaba 569 146 365ms 29 Oct 2025 272nd dokutan 569 146 456ms 14 Feb 2026 274th SB-945 568 158 11ms 14 Mar 2024 274th robin-scragg 568 158 18ms 27 Aug 2025 276th MeWhenI 🇻🇦 568 272 1,582ms 14 Jun 2023 277th lynn 568 303 162ms 31 Mar 2022 277th andersk 🇺🇸 568 303 226ms 1 Nov 2022 279th MeWhenI 🇻🇦 565 138 3ms 28 Feb 2024 280th albanian-laundromat 🇺🇸 561 160 20ms 27 Jun 2025 280th Lv0Sys 🇵🇱 561 160 11ms 28 Feb 2026 282nd bac0id 557 208 383ms 25 Jun 2024 283rd jared-hughes 551 135 33ms 25 May 2022 284th ryyyn 🇺🇸 551 163 19ms 9 Dec 2025 285th edsrzf 🇳🇿 548 210 4ms 16 Dec 2025 286th 5cw 🇺🇸 547 164 10ms 8 May 2024 287th janAkali 🇷🇺 545 259 421ms 24 Mar 2026 288th FlorianCassayre 🇫🇷 544 165 10ms 21 Oct 2023 288th JOrE20 544 165 13ms 4 Dec 2025 290th AlephSquirrel 541 166 13ms 10 Jun 2023 290th bricknellj 541 166 18ms 3 Apr 2025 292nd MeWhenI 🇻🇦 537 148 412ms 28 Feb 2024 293rd lynn 537 167 10ms 13 Feb 2023 294th KrausRaus 🇺🇸 537 182 11ms 30 Jun 2024 294th Lv0Sys 🇵🇱 537 182 10ms 28 Feb 2026 296th tayloia 🇬🇧 534 183 10ms 4 May 2023 297th snoozingnewt 🇨🇦 534 302 122ms 20 Nov 2025 298th primo-ppcg 🇹🇭 530 131 36ms 28 Sep 2021 298th olleicua 🇺🇸 530 131 39ms 20 Feb 2025 300th MichalMarsalek 🇨🇿 530 266 405ms 12 Oct 2023 First Prev 201–300 of 481 Next Last