// daily apps · v2026.10.11
Play, learn, and explore a 3D island.
Free, no sign-up, and works without internet.
What do you want to do today?
See everything
~/tools/
# small everyday utilities · total 26 open →
productivity/ Finance & Productivity
-
expense-tracker* Expense Tracker Track income and expenses in any currency, manage your own categories, monthly budgets and income targets, and see the summary. Your data stays on your device. -
todo* Todo List A task list with priorities, due dates, today and overdue filters, and drag-to-reorder. Saved on your device and works offline. -
pomodoro* Pomodoro Timer Focus for 25 minutes, rest for 5. A productivity timer that works offline. -
split-bill* Split Bill Split a shared bill fairly: assign each item to the people who had it, with service, tax, discount, and delivery. Copy the result straight to your group chat. -
stopwatch* Stopwatch & Countdown Timer A stopwatch with laps and several countdown timers at once, with an alarm sound. Stays accurate even if you close the page. -
habit-tracker* Habit Tracker Check off daily habits and see your streaks and a 12-week map. Data stays on your device, no account. -
cost-price-calculator* Cost & Price Calculator Work out the cost of goods from ingredients and other costs, then set a selling price from a target margin, including marketplace fees. -
break-even* Break-Even Calculator How many units must you sell to stop losing money? Find the break-even point per day, week, and month from fixed costs, price, and unit cost. -
cash-book* Small Business Cash Book Record sales and expenses for a small business, see daily and monthly profit, and your best-selling products. Data stays on your device.
developer/ Developer
-
json* JSON Formatter & Validator Pretty-print, minify, sort keys, and validate JSON. Errors point to the exact line and column, plus a tree view. -
base64* Base64 Encoder/Decoder Encode and decode Base64 for text (UTF-8, emoji included) and files, with URL-safe and data URI options. -
html* HTML Formatter & Validator Pretty-print HTML (including embedded CSS and JavaScript), minify, catch mistakes like unpaired tags and duplicate ids, with a preview.
design/ Image & Design
-
qr-code* QR Code Generator Make QR codes for text, URLs, Wi-Fi, or contacts. Set colors, size, and a logo, then download PNG or SVG. -
color-palette* Color Palette Generator Generate harmonious 5-color palettes (analogous, complementary, triadic, and more), lock favorites, and export to CSS or Tailwind. -
watermark* Image Watermark Add a text or logo watermark to many photos at once: set position, size, opacity, rotation, or a tiled pattern. -
image-compressor* Image Compressor & Resizer Shrink photo file size and dimensions, and convert to WebP, JPG, or PNG. Processed on your device, never uploaded.
text/ Text & Language
calculate/ Calculate & Convert
-
unit-converter* Unit Converter Convert length, weight, temperature, area, volume, speed, time, data, pressure, and energy units instantly. -
number-bases* Number Bases Convert numbers between decimal, binary, octal, and hexadecimal. Flip individual bits and watch the value change. -
percentage-calculator* Percentage & Discount Calculator Work out stacked discounts like 30%+20%, percentages of a number, and percent increase or decrease. -
loan-calculator* Loan & Mortgage Calculator Simulate mortgage or car loan payments: compare amortizing, flat, and declining-balance interest, with a monthly schedule. -
date-calculator* Date Calculator Count days between dates, working days, exact age down to the day, and the date after adding or subtracting days, months, or years.
utilities/ Everyday Utilities
-
compass* Compass & Qibla A digital compass from your phone’s sensors, with cardinal directions and a qibla pointer from your GPS location. Works without internet. -
spirit-level* Spirit Level Turn your phone into a spirit level: check tables or shelves in flat mode, or picture frames and wall shelves in edge mode. Calibratable. -
qr-scanner* QR Scanner Scan QR codes with your phone camera or from images and screenshots. Copy the result, open links, and read Wi-Fi QR passwords at a glance.
security/ Security & Privacy
~/games/
# learn by playing · total 51 open →
puzzle/ Classic Puzzles
-
2048.glb 2048 Slide number tiles, merge equal ones, and reach 2048. One-step undo, and your game is saved automatically. -
minesweeper.glb Minesweeper Open every square without hitting a mine. Three difficulty levels, a guaranteed-safe first click, and a flag mode for touch screens. -
maze.glb Maze Find the way out of a maze that is new every game. Three difficulty levels, a foggy mode, path hints, and maze codes to challenge friends. -
sudoku.glb Sudoku 9×9 Sudoku with a fresh puzzle every game, three difficulty levels, pencil notes, mistake highlighting, and best times. -
sliding-puzzle.glb Sliding 15 Puzzle The classic sliding puzzle in 3×3, 4×4, and 5×5, with numbers or an island picture. Tap or swipe tiles, count moves and time, keep your best. -
arrow-path.glb Arrow Path Place arrows on the board so the monkey reaches the banana, the rabbit the carrot, or the robot the battery. 30 logic levels for kids and grown-ups. -
sokoban.glb Sokoban Push every box onto its target without getting stuck. 18 levels starting very easy, undo, and a move counter. -
lights-out.glb Lights Out Tap a light to flip it and its neighbours, and switch them all off. 30 levels, hints, and the maths behind it. -
color-merge.glb Color Merge Tap a blob of same-coloured tiles to pop it. Reach the target of each stage before your moves run out; the bomb tile blasts its surroundings. -
nonogram.glb Nonogram Fill squares by the number clues on every row and column until a hidden picture appears. 16 pictures in 5×5, 8×8, and 10×10.
words/ Words & Language
-
balloon-words.glb Word Guess Guess the word letter by letter before all the balloons pop. Categories: animals, fruits, cities, and tech terms. -
word-guess.glb Five-Letter Word Guess Guess the five-letter word in six tries, Wordle-style. One shared word every day, plus unlimited free play. -
typing-test.glb Typing Speed Test Measure your typing speed in words per minute and your accuracy, with everyday text or code snippets. Choose 30, 60, or 120 seconds. -
anagram.glb Anagram Unscramble letters into words before time runs out. Indonesian or English words, three levels, letter hints and categories.
arcade/ Arcade
-
snake.glb Snake The classic snake game: eat as much as you can without hitting the walls or yourself. Swipe, keyboard, or on-screen controls. -
simon.glb Simon Says Remember a growing sequence of colours and tones, then repeat it. Every pad also has a symbol and a number. -
hide-and-seek.glb Hide and Seek Play hide and seek on the World Mode island: find 1–5 people hiding in the crowd, on the beach, in the mountains, or behind buildings. Watch out for cars! -
red-light-green-light.glb Red Light, Green Light Race from the mountain to the beach with dozens of contestants. When the giant doll turns, freeze! Anyone who moves gets lasered. Inspired by the Netflix series Squid Game. -
courier.glb Speedy Courier Deliver parcels around the World Mode island before time runs out: take the train, cable car, ferry, plane, even the rocket to Mars. -
treasure-hunt.glb Treasure Hunt Solve riddles that point to places on the World Mode island, find the treasure chest, then move on to the next riddle. -
nature-photographer.glb Nature Photographer Explore the World Mode island and photograph everything on the list: rabbits, dolphins, the hot-air balloon, the train, the rocket, even a meteor at night. -
mars-mission.glb Mars Mission Collect rock samples from the craters of Mars with the rover before your oxygen runs out. Every sample unlocks a fact about the red planet. -
island-race.glb Island Race Run through checkpoint rings around the World Mode island against 5 other runners: from town, up to the cave on the snowy mountain, down to the beach. -
skydive.glb Skydive Take the plane from the island airport, jump, open your parachute in time, and land on the target rings on the beach. Careful, the wind can blow you off course! -
detective.glb Town Detective Something was taken! Question the witnesses, collect clues about the culprit such as shirt colour, hat, and bag, then arrest the right person in the crowd. -
capture-the-base.glb Capture the Base A traditional game on the World Mode island: you and 3 teammates against the red team. Catch rivals on your side, free your friends, and capture the rival base. -
falling-blocks.glb Falling Blocks Stack the falling blocks to fill and clear rows. The higher the level, the faster they fall. Big thumb buttons and swipe controls. -
breakout.glb Breakout Bounce the ball with your paddle to break every brick. Levels, falling power-ups, and lives. Slide your finger or use the keyboard.
two-player/ Two Players
-
memory-match.md Memory Match Train your memory by finding matching pairs: emoji, colors, numbers, uppercase, or lowercase letters. Play solo or take turns with a friend. -
tic-tac-toe.glb Tic-Tac-Toe Play noughts and crosses with a friend on one device, or against an easy or perfect AI. Turn on see how the AI thinks to reveal each move’s value. -
connect-four.glb Connect Four Take turns dropping discs and line up four first. Play two players on one device or against an easy or hard AI. -
chess.glb Chess Play chess with a friend on one device or against a three-level AI. Legal moves are highlighted, with undo, promotion, and a move list. -
dots-and-boxes.glb Dots and Boxes Take turns drawing lines between dots. Close a box to claim it and move again. Two players or against the AI. -
pong-duel.glb Pong Duel Pong for two on one phone: lay it between you and each player drags on their own side. First to 7 wins. You can also play the AI. -
reflex-duel.glb Reflex Duel Who taps first when the screen turns green? Duel on one phone, or measure your own reaction time in milliseconds. -
math-duel.glb Math Duel Two players, one phone: answer the same math question faster than your opponent. First to 10 points wins. Easy, medium, and hard levels. -
congkak.glb Congkak (Mancala) A traditional Indonesian mancala game: sow seeds around the board, fill your store, and capture your opponent’s seeds. Two players on one device or against an AI. -
tug-of-war.glb Tug of War The screen is split in two: whoever taps fastest pulls the rope to their side. Great fun for two on one phone. -
othello.glb Othello Trap your opponent’s discs and flip them to your colour. Two players on one device or against an AI, with legal-move hints. -
gomoku.glb Gomoku (Five in a Row) Be the first to line up five stones on a 13×13 board. Two players on one device or against an AI. -
dam.glb Checkers Capture your opponent’s pieces by jumping over them. Captures are compulsory, jumps chain, and pieces are crowned at the far row. Two players or against an AI. -
nim.glb Nim Take turns removing sticks from one row; whoever takes the last stick loses. Includes a "show the winning formula" mode using binary logic. -
rock-paper-scissors.glb Rock Paper Scissors Elephant-person-ant or classic rock-paper-scissors, against the computer or two players on one phone with hidden picks. Best of 5. -
truth-or-dare-kids.glb Truth or Dare Kids Family-friendly Truth or Dare: light questions and fun, safe challenges for ages 6–8 or 9–12. For 2 to 8 players. -
air-hockey.glb Air Hockey Two-player air hockey on one phone: each player slides a round mallet on their half, at the same time. First to 7 goals wins. You can also play the AI. -
halma.glb Halma Hop your 10 pieces across an 8×8 board into the opposite corner. Two players on one device, with chain hops. -
balloon-words-duo.glb Word Guess Duo One player types a secret word and a hint, the other guesses letter by letter. Then swap roles and collect points. -
battleship.glb Battleship Hide 5 ships on an 8×8 sea, pass the phone, then take turns firing. Sink every enemy ship first. -
snap.glb Snap Cards flip one by one. When one matches the card before it, tap your button first to take the pile. Two players on one phone. -
number-duel.glb Number Duel Each player hides a secret number from 1 to 100, then take turns guessing the other’s with higher or lower hints. Fewest guesses wins. -
code-breaker.glb Code Breaker Crack a secret 4-peg colour code using pin clues, against the computer or a friend. Every colour has a symbol, so it is colourblind friendly. -
snake-duel.glb Snake Duel Two light snakes on one screen leave trails behind them. Steer yours so you do not hit a wall or a trail. Best of 5 rounds.
~/learn/
# interactive lessons · total 19 open →
science/ Science
-
solar-system.md 3D Solar System Explore the planets in 3D. Rotate, zoom, and tap a planet to learn its facts. -
stack.md Stack Stack blocks as high as you can without toppling. A physics game about center of mass and balance. -
chemistry-lab.md Chemistry Lab A 118-element periodic table and a mixing bench: combine elements or ions, discover compounds like NaOH and H₂O, then react what you found. -
periodic-table-quiz.md Periodic Table Quiz Guess element names, symbols, atomic numbers, and categories in 10 multiple-choice questions. From the first 20 elements up to all 118. -
game-of-life.md Game of Life Draw cells on a board, then watch them live, die and be born by three simple rules. Includes famous patterns like the glider and pulsar.
math/ Mathematics
- memory-match.md Memory Match Train your memory by finding matching pairs: emoji, colors, numbers, uppercase, or lowercase letters. Play solo or take turns with a friend.
-
math-race.md Math Race A 60-second mental math quiz: add, subtract, multiply, divide, with three levels, a big numpad, streak bonus, and best score per level. -
tower-of-hanoi.md Tower of Hanoi 3D Move a tower of 3–8 discs to another peg without ever putting a big disc on a smaller one. Shows the 2ⁿ−1 minimum and animates the recursive solution. -
binary-guess.md Binary Number Guess Flip bit cards from 128 down to 1 to make a number, or read the number from the face-up cards. Three levels and a 60-second timer. -
sorting-visualizer.md Sorting Visualizer Watch bars get sorted by bubble, selection, insertion, merge and quick sort, with step counters. Race mode: guess which algorithm is faster. - arrow-path.glb Arrow Path Place arrows on the board so the monkey reaches the banana, the rabbit the carrot, or the robot the battery. 30 logic levels for kids and grown-ups.
entrepreneurship/ Entrepreneurship
-
my-first-stall.md My First Stall Run a small stall: buy ingredients, set your prices, and serve customers. Learn about costs, revenue, and profit in a fun way for kids. -
island-market.md Island Market Rent a kiosk on the World Mode island, restock from the supplier, serve passing customers, and count your profit. Busy spots sell more but cost more to rent. -
business-canvas.md Business Model Canvas Plan a business in 9 simple boxes with guiding questions for students. Saves automatically and can be saved as a PNG image. -
cashier.md Little Cashier Be the shop cashier: add up the shopping and give the right change before the customer loses patience. Pick the answer or build it from Rupiah coins and notes. -
business-quiz.md Business Words Quiz A 10-question quiz on revenue, capital, cost of goods, gross and net profit, cash flow, and profit or loss, with stall examples and an explanation for every answer. -
idea-factory.md Idea Factory Draw problem, customer, and resource cards, then build a business idea. Answer key questions about buyers, price, cost, and how to sell, and save your idea card. -
bargaining.md Bargaining Practise bargaining with a seller or buyer who has a secret price limit. Keep them in a good mood, bargain smartly, and learn when to walk away. -
tycoon-mini.md Tycoon Mini Grow a business from a cart to a kiosk, a shop, and a branch in 20 days. Manage stock, price, ads, a helper, and an emergency fund.
social-studies/ History & Geography
For curious kids
Try typing help and press Enter.
bash — ~/farizijan
fariz:~$help
lslist tools & games (ls tools, ls games/puzzle)openopen <name>, e.g. open pomodoroworldenter the 3D islandlanglang en | lang id: switch languagewhoamiabout the site ownerversionthe app version you are runningclearclear the screen
fariz:~$ls tools
productivity/ # Finance & Productivity
developer/ # Developer
design/ # Image & Design
text/ # Text & Language
calculate/ # Calculate & Convert
utilities/ # Everyday Utilities
security/ # Security & Privacy