devtools
🔒 Local processing
Local developer utility

Number Base Converter

Convert arbitrary-length signed integers between bases 2 through 36. Your input stays in your browser while you work.

Number Base Converter🔒 Processed locally

How to use Number Base Converter

Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Inputs

  • Integer
  • Input base
  • Output base
  • Detect input base from 0x, 0o or 0b prefix
  • Group digits
  • Uppercase letters
  • Show base prefixes
  • Bit width

Related tools

  • XML Formatter — Validate and indent XML while preserving mixed text content.
  • XML Validator — Check XML well-formedness. This does not validate an XSD schema.
  • XML Minifier — Remove indentation-only XML text nodes; preserve mixed content and xml:space.
  • SOAP Formatter — Validate a SOAP envelope and format its XML.