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Number Base Converter Developer

Convert numbers between binary, octal, decimal, hex and any base up to 36.

Number Base Converter is a free online tool that convert numbers between binary, octal, decimal, hex and any base up to 36. It runs entirely in your web browser using plain JavaScript, so files are processed on your own device and never uploaded to a server. There is no sign-up, no file size limit imposed by the site, no watermark and no paid tier.

Price
Free — no account, no quota, no watermark
Category
Developer
Where it runs
In your browser, on your device
Files uploaded
None
Technology
plain JavaScript
Settings
3
Works offline
Yes, after the first visit

About Number Base Converter

Number Base Converter is one of 43 developer tools on DuckyTools, and like all of them it runs entirely inside this page. Convert numbers between binary, octal, decimal, hex and any base up to 36.

How to use it

  1. Enter value, from base and also show base.
  2. Results update the moment anything changes.

The 3 settings

SettingWhat it doesDefault
ValueFree text.255
From baseRange 2–36.10
Also show baseRange 2–36.36

Under the hood

Runs onplain JavaScript — runs the whole thing
ControlsValue, From base, Also show base

Questions

What are the limits on from base?

It accepts 2 to 36, starting at 10. The other numeric controls have their own ranges: also show base 2–36.