🛠️ Utility Den
Free Web Tools That Actually Work
Your Swiss Army knife for the internet. Fast, free, and no sign-up required.
Universal Converter
Convert anything: length, weight, crypto, AI tokens, banana scale, and 500+ more units across 15 categories.
Weather Lookup
Get current weather and 5-day forecast by zip code or city. Temperature, humidity, wind speed, and more.
Password Generator
Create strong, secure passwords with customizable length and character types. Keep your accounts safe.
Color Converter
Convert between HEX, RGB, and HSL color formats. Includes color picker for easy selection.
Text Tools
Character counter, word counter, case converter, and lorem ipsum generator all in one place.
Time Zone Converter
Compare time zones around the world. Perfect for scheduling international meetings.
Percentage Calculator
Calculate tips, discounts, grade percentages, and more. Quick and accurate percentage math.
Age Calculator
Calculate your exact age in years, months, days, hours, and even seconds. Fun birthday tool!
How Broke Are You?
Find out how your income compares to the rest of the world! Fun calculator showing your global wealth ranking with shareable results.
NewQR Code Generator
Create custom QR codes for URLs, WiFi, text, email, and more. Customize colors and download in multiple formats.
NewSpeed Reading Test
Test your reading speed and comprehension. Get your WPM score instantly with multiple difficulty levels.
NewTime Until Countdown
Beautiful countdown timers for important dates and events. Track days, hours, minutes, and seconds to what matters most.
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Why Choose Utility Den?
Utility Den is your go-to destination for free, fast, and reliable online tools. Whether you need to convert units, check the weather, generate a secure password, or work with text and colors, we've got you covered.
Features That Make Us Different
- ✓ 100% Free Forever - No hidden fees, no premium tiers
- ✓ No Registration Required - Start using tools instantly
- ✓ Mobile-Friendly - Works perfectly on all devices
- ✓ Lightning Fast - Optimized for speed
- ✓ Privacy Focused - No tracking, no data collection
- ✓ Always Available - 24/7 access to all tools
Most Popular Tools
Our Universal Converter is packed with over 500 unit types, including fun conversions like "banana for scale" and football fields. The Weather Tool provides accurate forecasts with auto-location detection. Need a strong password? Our Password Generator creates cryptographically secure passwords in seconds.
Perfect For
- Students working on homework and projects
- Professionals needing quick calculations
- Developers converting data units and AI tokens
- Anyone who wants fast, reliable online tools
How It Works
- Choose your tool from the grid above
- Enter your values or make selections
- Get instant results - no waiting!
- Share results with friends (optional)
All tools are completely free to use with no limitations. Bookmark this page and come back anytime you need a quick conversion, calculation, or utility tool.