Skip to main content
Formatza
All Tools
Back to all tools

Base Converter

Convert numbers between binary, decimal, hex, and other bases.

1
Upload
2
Configure
3
Convert
4
Download

Convert numbers between binary, decimal, hex, and other bases.

Live conversion

FF

Related tools

Ready tools are shown first.

JSON Formatter

Format JSON data for easier reading.

JSON Validator

Validate JSON syntax and structure.

JSON Minifier

Minify JSON data to reduce size.

JSON Beautifier

Beautify JSON data with readable formatting.

JSON to CSV

Convert JSON data to CSV format.

CSV to JSON

Convert CSV data to JSON format.

Tool guide

Base Converter Online

Convert numeric values between binary, octal, decimal, hexadecimal, and Base32. It is useful for programming, debugging, and learning number systems.

Steps

How it works

  • Choose the input base.
  • Choose the output base.
  • Enter a value.
  • Convert, copy, or download the result.
Highlights

Key features

  • Supports common numeric bases.
  • Shows a live conversion preview.
  • Validates invalid digits for the selected base.
  • Uses precise integer conversion.
Use cases

Common uses

  • Convert binary to decimal.
  • Inspect hexadecimal values.
  • Prepare numeric examples for code.
Notes

Limitations to know

  • This tool converts integer values.
  • Base64 text encoding is handled by the Base64 Encoder / Decoder tool.
  • Fractional base conversion is not included.
FAQ

Frequently asked questions

3 answers

Can I convert hex to binary?

Yes. Select Hexadecimal as the input base and Binary as the output base.

Why is a digit rejected?

Some digits are not valid in lower bases, such as 2 in binary or G in hexadecimal.

Does this convert Base64 text?

No. Use the Base64 Encoder / Decoder for text-to-Base64 workflows.