Number Base Converter
Convert numbers between binary, decimal, and hexadecimal.
Share this tool
Binary
11111111
Decimal
255
Hex
FF
About this tool
Convert numbers between binary, decimal, and hexadecimal instantly. Useful for programming, networking, and low-level debugging.
- Switch input base freely
- See all three representations at once
- Copy any result with one click
Prefer a walkthrough? Read the Number Base Converter guide.
Guides
Learn the workflow, then jump back into the free tools
Guide for this tool
How to Use Number Base Converter
Convert numbers between binary, decimal, and hexadecimal. A practical Toolara guide with tips, workflow advice, and links to the free online tool.
4 min read
How to Build a Sitemap from a URL List
Paste your pages, set lastmod and priority, and download sitemap.xml for search engines.
4 min read
How to Build UTM Campaign Links
Add source, medium, and campaign tags so analytics can tell which link brought the visit.
5 min read
robots.txt and .htaccess Basics
Generate a robots file with a sitemap URL, and Apache rules for HTTPS, cache, and security headers.
Related tools
More utilities in the same category