Binary‑Decimal Conversion Quiz - Online Speed Drills
Test how fast you can convert between binary and decimal. Timed drills with increasing difficulty. Learn base‑2 fluency.
UD5 Toolkit
Test how fast you can convert between binary and decimal. Timed drills with increasing difficulty. Learn base‑2 fluency.
Convert any integer up to 3999 into its Roman numeral representation and vice versa. Quick and accurate. Local.
Convert decimal numbers to their hexadecimal equivalents. Support for large integers. Fast and handy for low-level programming reference.
Translate hexadecimal numbers to decimal integers. Instantly see the magnitude. A simple, private utility for developers and mathematicians.
Convert numbers to Roman numerals and decode Roman numerals back to numbers. Supports up to large values. A fun educational tool running entirely in your browser.