Convert numbers between binary, octal, decimal and hexadecimal.
A developer-friendly base converter. Enter a number and pick its base (2, 8, 10, 16) to see the value in all four formats instantly.
Hex maps cleanly to 4-bit binary nibbles and is compact for memory addresses and colors.
Convert numbers between binary, octal, decimal and hexadecimal. This free developer tool is designed for Indian users — it delivers instant results right in your browser with no sign-up, no registration and no hidden charges. Everything is computed locally for privacy and speed.
Using the Base Converter is simple. Enter your values in the input fields at the top of the page and the result updates immediately. The tool follows Indian formatting (INR, lakh/crore numbering, Indian tax and measurement standards) so output is ready to use for Indian planning, filing, construction or business needs. It works on mobile, tablet and desktop.
ToolsOfIndia.com hosts some of the most-used free developer utilities in India. Unlike international tools, ours use India-specific rates, units, tax slabs and number formatting. There is no login, no premium tier and no data upload — your inputs never leave your device. Every tool is optimised for Core Web Vitals and mobile.
Hex maps cleanly to 4-bit binary nibbles and is compact for memory addresses and colors.