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Developer Tools

A collection of useful web-based tools for developers, designers, and data analysts.

Game Dev Tools

Frequency-to-Color Mapper

Game Dev Tools

Audio-visual mapping tool for game developers. Convert audio frequencies to colors with support for Unity 3D and Unreal Engine, multiple color spaces, and harmonic palette generation.

Features:

  • Map frequencies to colors via OKLAB, HSV, HSL, CIELAB
  • Unity 3D & Unreal Engine code generation
  • Solfeggio frequency presets
  • Harmonic palette generation
  • Export mappings as JSON
  • Musical note detection
Open Tool

Development Tools

Screen Resolution & Device Info

Development Tools

Get detailed information about your screen resolution, device model, browser, and viewport dimensions. Essential for UI/UX development.

Features:

  • Real-time screen resolution
  • Device model detection
  • Browser information
  • Pixel ratio display
  • Viewport dimensions
Open Tool

JWT Inspector

Development Tools

Decode and inspect JSON Web Tokens with a sleek cyberpunk interface. View header, payload, and signature sections with security alerts and expiration checks.

Features:

  • Decode JWT header and payload
  • Security vulnerability alerts
  • Token expiration detection
  • Color-coded token segments
  • Demo token for testing
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LogLens — Log Formatter

Development Tools

Parse, format, and analyze developer logs with syntax highlighting, log level filtering, IP extraction, and a resizable dual-pane layout.

Features:

  • Auto-detect and highlight log levels
  • JSON pretty-printing in logs
  • IP address extraction
  • Filter by ERROR, WARN, INFO
  • Resizable dual-pane layout
  • Adjustable font size
Open Tool

Design Tools

Color Converter Pro

Design Tools

Simple Color program that allows you to convert the most popular color formats to any other popular color format

Features:

  • Convert between RGB, HEX, HSL, HSV, CMYK
  • OpenGL float and BGR formats
  • Color harmony generation
  • Web safe color palette
  • System color reference
  • Real-time color preview
Open Tool

Data Analysis

CSV Config Comparator

Data Analysis

Compare two Daikin AEQ config CSV files and see differences highlighted. Perfect for configuration management and debugging.

Features:

  • Upload and compare CSV files
  • Numeric tolerance settings
  • Visual difference highlighting
  • Download comparison results
  • Works offline in browser
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Math Tools

Proportions Calculator

Math Tools

Find missing numerators or denominators in proportions. Enter any three values and calculate the fourth automatically.

Features:

  • Solve for missing numerator or denominator
  • Visual fraction display
  • Automatic calculation
  • Error handling for invalid inputs
  • Mobile-responsive design
  • Works offline in browser
Open Tool

About These Tools

These tools are built with vanilla HTML, CSS, and JavaScript for maximum compatibility and performance. They work entirely offline and don't require any external dependencies. You can save the web pages to your computer and open them offline.