Everyday Physics, Design &
Developer Utilities

⚡

GitSpeed

GitHub cloud relay accelerator powered by Tokyo high-speed backbone. Fast releases & clone downloads.

⚡ GitHub 雲端加速 Launch →

🚗

CargoFit

3D geometry simulator to check if large furniture or TVs will fit in your car trunk.

📐 Cargo Sizer Launch →

💊

ToxClear

Substance half-life and clearance calculator for caffeine, alcohol, and medications with safety margin.

📉 Half-Life Calc Launch →

🛂

NomadStay

Schengen 90/180-day rolling window visa calculator for digital nomads to prevent overstays.

🗓️ Visa Tracker Launch →

🔇

SoundWall

STC noise transmission calculator & decibel simulator. Test window and wall soundproofing.

🎧 STC Simulator Launch →

❄️

FreezeSafe

Drink rapid chiller & freezer explosion warning timer. Aluminum can and glass bottle safety.

❄️ Chiller & Timer Launch →

🎯

TurnMaster

Multi-touch finger roulette ('Who Goes First') & tap-to-pass board game turn timer with buzzer.

🎲 Board Game & Party Launch →

🅿️

ParkFit

Mechanical parking lift & low ceiling garage clearance sizer. Mirror fold and rim scrape warning.

🚗 Car & Parking Launch →

📟

MicroWatt

Microwave wattage & cooking time converter. Real-time food standing conduction advice & timer.

📟 Kitchen & Microwave Launch →

☀️

SolSafe

UV sunburn burn time calculator & live countdown alarm for SPF reapplication.

☀️ UV & Sunburn Launch →

🛡️

SpyGuard

Hotel & Airbnb hidden camera sweeper. Optical lens strobe flasher & two-way mirror tester.

🏨 Hotel & Privacy Launch →

💊

PillSplit

Medication split & crush safety advisor. Check lethal dose dumping from XR, ER, CR & EC pills.

💊 Medicine & Health Launch →

🛞

TirePSI

Gas station hot/cold tire pressure compensator. Boyle's law thermal inflation sizer & TPMS reset.

🚗 Car & Tire Pressure Launch →

✈️

AeroCharge

Aviation power bank & battery Wh flight compliance checker. Avoid airport confiscation.

🛫 Airport & Battery Launch →

🐾

PetTox

Emergency pet toxicity dosage & triage calculator. Chocolate, grapes, xylitol & lilies.

🐕 Pet & Emergency Launch →

🧺

WashTag

Laundry care symbol decoder & dryer heat matcher. Tap tag icons to prevent shrinking.

👕 Laundry & Care Launch →

⏱️

SoberClock

Medical Widmark BAC countdown timer. Real-time sober clock & driving safety check.

🍻 Nightlife & Safety Launch →

🥩

FoodThaw

USDA safe meat thawing calculator with 30-min cold water interval alert timer.

🍳 Kitchen & Food Launch →

❄️

RoomCool

HVAC AC capacity & tonnage sizing. Instant West sun, top floor & iron roof multipliers.

🏢 HVAC & Housing Launch →

🏠

RentTrueCost

Real apartment monthly cash outflow comparison. Expose fake cheap rent & power markups.

💰 Rent & Finance Launch →

🧳

FlightBag 3D

Airline baggage 3D sizer cage simulator. Real-time compliance check for 40+ carriers.

✈️ Travel & Flight Launch →

💸

QuickSettle

Zero-login dinner AA splitter. Graph min-cash-flow algorithm with 1-click LINE export.

🍻 Dining & Expense Launch →

👟

ShoeShift

Cross-brand sneaker sizing matrix. Nike, Samba, NB 990, Salomon offset & wide foot advisor.

🛍️ Sneaker Sizer Launch →

🛋️

PivotFit

Furniture doorway & 90° corner physics simulator with tight squeeze safety warnings.

Physics & Moving Launch →

🍰

PanScale

Baking pan geometric area converter with full recipe text parser and oven thermal advice.

Kitchen Geometry Launch →

🖥️

CableDoctor

Display cable bandwidth diagnostic. Detects HDMI 2.1 fake specs, chroma blur & DSC support.

Hardware & Gaming Launch →

📐

GridCraft

Vector printable stationery lab. Dot grid, Cornell notes, 3D isometric & sheet music to PDF.

Vector Stationery Launch →

🌐

Public API Hub

Zero-auth, CORS-enabled free public REST mock endpoints for fast prototyping.

API & Prototyping Launch →

🎬

FFmpeg Command Studio

Visual FFmpeg command builder for Discord 10MB compression, crisp GIFs & audio extraction.

Video & Media Launch →

🎙️

Whisper Subtitle Cleaner

Filter AI hallucination loops, normalize timestamps, and strip filler words from SRT/VTT.

AI & Subtitles Launch →

📐

FreeLaTeX Converter

Convert academic PDF papers to clean Overleaf LaTeX projects with math formulas & figures.

Academic & LaTeX Launch →

🔑

JWT Token Inspector

Client-side JWT decoding, expiry timer, and HMAC-SHA256 signature verification.

Security & Auth Launch →

🧠

LLM Token Counter

Accurate token and cost estimator for GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5.

AI & LLM Launch →

🎨

Palette Extractor

Extract dominant color schemes from images with Tailwind & CSS Variables export.

Design Tokens Launch →

⏱️

Cron Expression Visualizer

Interactive cron syntax explainer, next execution timeline, and preset generator.

DevOps & Cron Launch →

📱

Social Card Previewer

Real-time OpenGraph preview for Twitter, Facebook, Discord, and LinkedIn.

SEO & Social Launch →

🔄

cURL to Code

Convert raw cURL terminal commands into production Python, Node.js fetch, or Go.

Code Generator Launch →

🖧

CIDR Subnet Calculator

Visual IPv4 network calculator with usable host ranges, broadcast addresses, and binary bits.

Networking Launch →

🛡️

Header Security Analyzer

Audit HTTP response headers for missing CSP, HSTS, X-Frame-Options, and CORS flags.

Web Security Launch →

🍪

Set-Cookie Parser

Break down complex cookie headers, validate SameSite, Secure, and HttpOnly attributes.

Web Standards Launch →

📄

Env • JSON • YAML Sync

Bi-directional conversion between .env files, JSON configurations, and Docker YAML.

Config Utility Launch →

📊

CSV to Markdown Table

Paste Excel spreadsheets or CSV data to generate perfectly aligned GitHub markdown tables.

Formatting Launch →

🔒

Linux Chmod Calculator

Visual permission matrix, octal calculator (e.g. 755, 644), and symbolic explanation.

Linux & CLI Launch →

🔐

Bcrypt Hash Generator

Client-side Bcrypt password hashing with configurable salt rounds and match testing.

Cryptography Launch →