Online Converters
Transform data between different formats instantly. Convert units, timestamps, dates, colors, images, and data formats with precision. Free tools for developers, scientists, designers, and everyone who needs accurate conversions without complex calculations.
Unix Timestamp Converter
Convert Epoch timestamps to human dates.
Unit Converter
Convert length, mass, volume and area.
Date Format Converter
ISO, RFC 2822, SQL, and localized dates.
Time Units Converter
Seconds to minutes, hours, days, years.
Color Converter
Convert between RGB, HEX, and HSL.
Angle Converter
Degrees, Radians, Gradians conversion.
JSON ↔ CSV Converter
Convert JSON data to CSV spreadsheet format.
PNG ↔ JPG Converter
Convert PNG images to JPG format.
Image to WebP
Convert images to WebP format.
Why Use Online Converters?
Converters transform data from one format or unit to another. In a world of diverse standards — metric vs imperial, RGB vs HEX, Unix timestamps vs readable dates — conversions are essential for communication, programming, and everyday tasks.
Manual conversions are error-prone and time-consuming. Remembering that 1 mile equals 1.609344 kilometers, or calculating a Unix timestamp for "December 25, 2025 at 3:00 PM EST" requires either memorization or complex calculations. Our converters handle this instantly.
Types of Converters We Offer
- Unit Converters: Length, weight, temperature, volume, speed, and area conversions between metric, imperial, and other systems
- Time & Date Converters: Unix timestamps, date formats, time zones, and duration calculations
- Color Converters: Transform between HEX, RGB, HSL, CMYK, and other color models
- Data Format Converters: JSON to CSV, image format conversions, and encoding transformations
- Mathematical Converters: Angles, number bases, and scientific notation
Key Benefits
- Accuracy: Precise calculations without rounding errors or estimation
- Speed: Instant results — no manual calculations needed
- Convenience: All common conversions in one place
- Privacy: All processing happens in your browser
Who Uses Converters?
Developers & Engineers
Developers constantly work with Unix timestamps, JSON data, color codes, and different date formats. Converting between API timestamp formats, debugging time-related bugs, or transforming data for different systems are daily tasks.
Designers & Creatives
Designers work across tools with different color format requirements. Photoshop might give you RGB, but CSS needs HEX. Print requires CMYK. Image format conversions help optimize assets for web and print.
Scientists & Researchers
Scientific work involves constant unit conversions — converting measurements between systems, calculating angles for experiments, or transforming data between formats for analysis in different software.
International Teams
Teams working across countries deal with different measurement systems, date formats, and time zones. Converting between DD/MM/YYYY and MM/DD/YYYY, or understanding when "5 PM EST" is in your local time, is crucial for coordination.
Frequently Asked Questions
How accurate are the conversions?
Our converters use high-precision floating-point arithmetic. Unit conversions are exact to at least 10 decimal places. For most practical purposes, the accuracy exceeds what you'd need for real-world applications.
What is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) since January 1, 1970, 00:00:00 UTC (the "Unix epoch"). It's the standard way computers represent time internally. For example, 1703505600 represents December 25, 2023, at noon UTC.
Why convert images to WebP?
WebP is a modern image format developed by Google that provides superior compression. WebP images are typically 25-35% smaller than equivalent JPEG/PNG images at the same visual quality. This means faster page loads and lower bandwidth costs.
Can I convert between metric and imperial?
Yes! Our unit converter supports both metric (SI) and imperial/US customary units. Convert meters to feet, kilograms to pounds, liters to gallons, and vice versa. We also support less common units like nautical miles, troy ounces, and stones.
Start Converting
Choose a converter and transform your data instantly. Free, accurate, and completely private.