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How to Use the Binary, Hex & Decimal Converter

2026-11-124 min readBy Apex Tool Station Team

How to use the Binary, Hex & Decimal Converter — step-by-step guide

Convert numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36. Supports big numbers.

100% free No signup Works in your browser

Open the Binary, Hex & Decimal Converter tool

1. What is the Binary, Hex & Decimal Converter?

Convert between number systems used in programming and electronics. Type in any field — binary, octal, decimal or hex — and the others update instantly. It uses BigInt, so very large numbers convert exactly. Prefixes like 0x and 0b are accepted.

2. How to use the Binary, Hex & Decimal Converter

Here is the whole process, step by step. It takes less than a minute from opening the tool to seeing your result.

  1. 1Fill in the Binary (base 2), Octal (base 8), Decimal (base 10), Hexadecimal (base 16) fields.
  2. 2Your result appears on the page.

Your result updates as you type — there is nothing to press and nothing to wait for.

Everything runs in your browser — your files and text never leave your device.

3. Tips for best results

  1. Your text never leaves your device — The tool runs entirely in your browser using JavaScript. Nothing is uploaded, so you can paste private documents without worry. That also means there is no account to create and no file to upload.
  2. It works on your phone too — Open the tool in any modern browser on Android or iPhone. The layout adjusts to the screen and everything works the same way on a small screen as on a desktop.
Why use the Binary, Hex & Decimal Converter

Frequently asked questions

Is the Binary, Hex & Decimal Converter free?

Yes. The Binary, Hex & Decimal Converter on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.

Are my files or data uploaded to a server?

No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.

Does it work on mobile?

Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.

Apex Tool Station TeamFree Online Tools

The team behind Apex Tool Station. We build free online tools that run in your browser — no signup, no uploads, no watermarks.

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Try the Binary, Hex & Decimal Converter

The Binary, Hex & Decimal Converter is free, with no signup and no watermark. Open it and try it now.

Open the Binary, Hex & Decimal Converter tool

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