Number base converter

Convert integers between bases 2, 8, 10, and 16 within JS safe integer range.

{{ numberBase.message }}

Overview

Converts integers between bases 2, 8, 10, and 16 within JavaScript safe range. No floating point.

Technical deep dive

Common questions summarized

  • What is this tool for?: It runs fully in your browser: useful to validate, format, or convert data in everyday development.
  • Are my inputs sent to a server?: Processing happens locally with JavaScript. We do not store what you paste into the text areas.
  • Can I use this for real production data?: Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.

Sample payload to try

  • See also the larger "Code Snippets" sample; paste this excerpt to try locally: Sample — 255 (decimal) = 11111111 (bin) = FF (hex)

Tool guide

  • What a numeric base is A way to write integers: decimal (0–9), binary (0–1), octal (0–7), hexadecimal (0–9 and A–F). The mathematical value is the same; only the representation changes.

  • What the tool does Converts integers between these bases within JavaScript’s safe integer range.

  • Why use it Low-level programming, colours (#RRGGBB), bit masks, study, and quick checks without a calculator.

Code Snippets

Code example
255 (decimal) = 11111111 (bin) = FF (hex)

Sample

255 (decimal) = 11111111 (bin) = FF (hex)

FAQ

What is this tool for?

It runs fully in your browser: useful to validate, format, or convert data in everyday development.

Are my inputs sent to a server?

Processing happens locally with JavaScript. We do not store what you paste into the text areas.

Can I use this for real production data?

Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.