MENTRIA_

~/tools

Utility Tools

Simple, focused utilities that work offline. Each one does one thing well.

category name summary
AI Search Find tools and feed posts. Type any query — keyword or natural language.
Health Step Counter Count your steps on a walk, right in the browser. Uses your phone's motion sensor — nothing is uploaded.
Utility QR & Barcode Scanner + Generator Scan QR codes and barcodes, or generate a QR code from any link or text — all on-device, nothing uploaded.
Utility Decision Wheel Can't decide? Spin the wheel and let fate choose. Works offline.
Timer Countdown Timer Set a duration or pick a target time. Up to 4 independent timers with alarm sound.
Utility Coin Flip Heads or tails — flip a coin instantly. Run a best-of series for tiebreakers. Works offline.
Productivity Quick Notes A minimal scratchpad that lives in your browser. Create multiple notes, auto-saved on every keystroke.
Developer Base64 Codec Encode and decode text or files to and from Base64. Supports images, documents, and any file type. Everything runs locally in your browser.
Security TOTP Two-factor authentication codes that live in your browser, encrypted at rest. Nothing on a server.
Design Color Picker Pick any color, view its HEX / RGB / HSL values, and generate harmonious palettes. Works offline.
AI Annotate Image Upload an image and get an instant AI description, alt-text, transcription, or tags — with tested one-tap prompts. Runs locally in your browser, nothing uploaded.
AI AI Chat Qwen3.5-0.8B running locally in your browser. No server, no API keys. Supports vision.
AI Motivational Quote Original quotes generated by AI, running locally in your browser. No data leaves your device.
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 as you type. Print to A4 or export to JSON.
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 Stack tetrominoes. Clear lines. Speed ramps every 10 lines. Pieces in cyan, purple, pink, amber, green — the Mentria palette.
Game Breakout Brick-buster meets paddle game. Catch falling powerups, clear the wall, survive levels that get faster and meaner. Runs locally — no data leaves your device.
Game Flappy A paper plane threading a stack of command prompts. Tap, click, or press SPACE to flap. Don't crash the prompt.
Game Minesweeper Classic logic puzzle in terminal dress. Click to dig, right-click (or F-mode) to flag. Numbers count adjacent mines. Don't pop the pink ones.
Game Sudoku Logic puzzle in terminal dress. Unique-solution generator, four difficulties, pencil marks. Runs locally — no data leaves your device.
Game Ludo Four tokens home wins. Roll a six to break out, capture on contact, dodge to the safe stars. Play the bots or pass & play.
Game Chess Local engine, hot-seat, and online play — no servers. Full rules with castling, en passant, promotion; an alpha-beta engine with four strengths, eval bar, and hints.