Is the Universal Unit Converter free to use?

Yes! The Universal Unit Converter is 100% free with no registration, ads, or hidden limits.

What conversion categories are supported?

Over 45 categories are supported including Length, Weight/Mass, Temperature, Volume, Currency, Force, Torque, Bandwidth, Density, Case Converter, and Number Bases (Binary, Decimal, Hex, Roman).

Full Version Suite — 45+ Converter Categories

Universal Unit Converter & Utility Hub

Q: How does client-side image and video compression work?

All image and video compression processes occur 100% locally inside your web browser using HTML5 Canvas & Web APIs. Your media files are never uploaded to any remote server.

Convert Common, Engineering, Electrical, Thermal, Fluid, Light, Radiology, Number Bases, Text Cases, Color Codes, Image & Video compression instantly!

Select Converter Category

Filter by group or type to search across 45+ converters

Length Converter

Convert between meters, kilometers, feet, inches, miles and more.

From Value

From Unit

Select a unit to see description.

Converted Result

To Unit

Select a unit to see description.

Text Case Converter

Convert any text instantly between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.

Number System & Roman Numeral Converter

Convert numbers dynamically between Decimal (Base-10), Binary (Base-2), Octal (Base-8), Hexadecimal (Base-16), and Roman Numerals!

Decimal (Base 10)

Binary (Base 2)

Octal (Base 8)

Hexadecimal (Base 16)

Roman Numeral

Popular Worldwide Conversions

Click any card below to immediately load it into the converter

Interactive Color Picker & Converter

Pick any color or type values to seamlessly convert between HEX, RGB, HSL, HSV, and CMYK formats.

#3B82F6 Open Visual Color Picker

Preset Colors:

HEX

RGB

HSL

HSV / HSB

CMYK

Client-Side Image Compressor

Compress JPG, PNG, and WEBP images directly in your browser without uploading to any server!

Drag & Drop Image Here

or click to browse from your device

Client-Side Video Compressor

Reduce video file size by re-encoding resolution and bitrate directly inside your browser!

Drag & Drop Video Here

Supports MP4, WebM, MOV files

Frequently Asked Questions (FAQ)

Find quick answers about our unit conversion tools and privacy.

Yes, our converter is completely free with no registration, subscription fees, or usage limits. You can perform unlimited unit conversions, color codes, and media compression anytime.

Compression runs 100% locally inside your web browser using HTML5 Canvas & Web API re-encoding. Your images and video files remain private on your computer and are never uploaded to external servers.

Over 45 categories are supported, including Length, Mass, Temperature, Area, Volume, Currency, Pressure, Force, Torque, Density, Bandwidth, Case Converter, and Number Bases (Decimal, Binary, Octal, Hex, and Roman Numerals).

Recent conversions are saved locally in your browser using HTML5 LocalStorage. They remain accessible whenever you revisit the page and can be cleared anytime using the "Clear History" button.

Recent Conversions

Your conversion history is saved locally on your device.

No conversion history yet. Try converting values above!