~/tools

Ferramentas Úteis

Utilitários simples e focados que funcionam offline. Cada um faz uma coisa bem feita.

Utility Decision Wheel Offline-ready spinner for quick calls: Yes, No, Up to you, or Wait & try again.

Timer Countdown Timer Up to 4 simultaneous countdown timers with custom titles. Set a duration or pick a target date & time (max 99 hrs).

Utility Coin Flip Animated heads or tails coin flip with optional best-of-N series mode. Works offline.

Productivity Quick Notes Minimal scratchpad that saves to your browser. Supports multiple notes with localStorage persistence.

Developer Base64 Codec Encode and decode text or files (including images) to and from Base64. All processing stays in your browser.

Design Color Picker Pick colors, generate harmonious palettes, and copy values in HEX, RGB, and HSL. Works offline.

AI AI Chat Chat with Qwen3.5-0.8B running locally in your browser via WebGPU. Supports vision. No data leaves your device.

AI Motivational Quote AI-generated original motivational quotes. Runs locally in your browser.

AI Infinite Radio AI-generated epic cinematic music streaming infinitely. Learns your taste locally. No data leaves your device.

Utility Invoice Generator Build clean, single-page invoices in your browser. Auto-saves, prints to A4, exports/imports JSON. No data leaves your device.

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.

Game Tetris Browser-native Tetris in the Mentria synthwave palette. Touch, keyboard, and mouse supported. Plays offline.

Game Pong Brick-buster paddle game with synthwave powerups, lives, and a high-score table. Plays offline.

Game Flappy Paper plane flapping through stacks of command prompts. Tap, click, or SPACE. Plays offline.

Game Minesweeper Classic logic puzzle in terminal dress. Three difficulties, mouse + touch input, best-time tracking. Plays offline.