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~/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.
Security EXIF Inspector See what a photo secretly carries — camera details, timestamps, GPS location — and download a clean copy with it all removed. Nothing is uploaded.
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 running locally in your browser. No server, no API keys. Supports vision.
AI Console Chat with the on-device model while it uses Mentria apps on a shared phone screen — or let it play a test user and report what it finds.
AI Model Mirror Help deliver Mentria's on-device models peer-to-peer. Keep this tab open and your browser becomes a mirror.
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.
Game PHOSPHOR Combat time trials in the browser — sprint, slide, mantle and a full-auto carbine across five dusk-lit courses. Medals, ghost racing, offline play.
Utility Extensions Install private single-file extensions that live only on this device. They appear in your launcher and terminal — and never on the public site.
Utility Files Browse, export, and delete the data Mentria tools store on this device. Everything stays local.
Social Comms Peer-to-peer chat, voice and video calls, and file drop. End-to-end encrypted, no accounts, no server in the middle.
Utility Bubble Level Turn your phone into a spirit level online — a bubble level online with no app needed, accurate to 0.1°, that works offline.
Utility Decibel Meter A sound level meter in your browser — measure noise in dB with your phone or laptop mic, no app to install.
Utility Compass A compass online with no app to install — open it in your browser and read your magnetic heading straight from your phone's sensor.
Utility GPS Speedometer A GPS speedometer online — no app to install. Live speed in km/h, mph or knots, plus trip distance, all computed on your device.
Utility Online Ruler An online ruler in actual size — measure in cm, mm and inches right on the screen, and calibrate it with a bank card so the millimetres are real.