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From unit conversions to currency, images, and number bases — 12 tools and 24 guides to handle complex calculations instantly.

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⚡ Popular Tools

Unit ConverterInstantly convert length, weight, temperature, speed, volume, area, pressure, energy, and data units.
#length#weight
Currency ConverterConvert between major currencies with live exchange rates and compare multiple currencies at once.
#exchange#dollar
Image ConverterCompress, resize, and convert images to WebP, JPEG, or PNG — all processed in your browser, no upload needed.
#compress#resize
Number Base ConverterConvert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) simultaneously.
#binary#hex
Date & Time ConverterConvert Unix timestamps to readable dates and back. Shows local time, ISO 8601, and relative formats.
#timestamp#UTC
Electronics CalculatorCalculate Ohm's law, LED resistor values, power consumption, and voltage dividers.
#ohm's law#LED

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🏠DailyUnit converters, image tools, and date/time utilities for everyday use✈️Travel & OverseasCurrency exchange, overseas shopping costs, GPS coordinates, and time zones💻DeveloperNumber base conversion, color tools, text encoding, and code page utilities⚡ElectronicsOhm's law, LED resistors, ADC conversion, and electrical unit tools

📖 Latest Guides

Clear explanations for everyday questions

Daily4 min

Pyeong to Square Meters Conversion Guide

A complete reference for converting between pyeong (a Korean area unit) and square meters, including a handy conversion table.

Daily3 min

Inches to cm Conversion Guide

Learn how to easily convert between inches and centimeters for TV screens, monitor sizes, smartphone displays, and shoe sizes.

Daily3 min

kg, lbs & Temperature Unit Guide

A practical guide to converting between pounds and kilograms, and between Fahrenheit and Celsius for everyday use.

Daily4 min

How to Reduce Image File Size with Minimal Quality Loss

Practical tips for resizing and compressing images for blogs, online stores, and social media.

Daily4 min

JPEG vs PNG vs WebP: Which Format Should You Use?

A comparison of common image formats to help you choose the right one for photos, illustrations, and screenshots.

Daily4 min

UTC vs KST: Understanding Timestamps and Time Zones

How UTC and KST differ, how to read Unix timestamps, and how to interpret server log times.

🏷 Popular Tags

#Pyeong Calculation#Inch Conversion#Exchange Rate#Overseas Shopping#Base Conversion#RGB Conversion#LED Resistor#Timestamp#Image Compression#Ohm's Law