Utility
Decision Wheel
Offline-ready spinner for quick calls: Yes, No, Up to you, or Wait & try again.
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Timer
Countdown Timer
Up to 4 simultaneous countdown timers with custom titles. Set a duration or pick a target date & time (max 99 hrs).
ツールを開く →Utility
Coin Flip
Animated heads or tails coin flip with optional best-of-N series mode. Works offline.
ツールを開く →Productivity
Quick Notes
Minimal scratchpad that saves to your browser. Supports multiple notes with localStorage persistence.
ツールを開く →Developer
Base64 Codec
Encode and decode text or files (including images) to and from Base64. All processing stays in your browser.
ツールを開く →Design
Color Picker
Pick colors, generate harmonious palettes, and copy values in HEX, RGB, and HSL. Works offline.
ツールを開く →AI
AI Chat
Chat with Qwen3.5-0.8B running locally in your browser via WebGPU. Supports vision. No data leaves your device.
ツールを開く →AI
Motivational Quote
AI-generated original motivational quotes. Runs locally in your browser.
ツールを開く →AI
Infinite Radio
AI-generated epic cinematic music streaming infinitely. Learns your taste locally. No data leaves your device.
ツールを開く →Utility
Invoice Generator
Build clean, single-page invoices in your browser. Auto-saves, prints to A4, exports/imports JSON. No data leaves your device.
ツールを開く →Utility
Markdown → PDF
Write markdown, see a live preview, and download a clean professional PDF. Auto-saves to your browser. No data leaves your device.
ツールを開く →Game
Tetris
Browser-native Tetris in the Mentria synthwave palette. Touch, keyboard, and mouse supported. Plays offline.
ツールを開く →Game
Pong
Brick-buster paddle game with synthwave powerups, lives, and a high-score table. Plays offline.
ツールを開く →Game
Flappy
Paper plane flapping through stacks of command prompts. Tap, click, or SPACE. Plays offline.
ツールを開く →Game
Minesweeper
Classic logic puzzle in terminal dress. Three difficulties, mouse + touch input, best-time tracking. Plays offline.
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