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Hex to Decimal

Convert a hexadecimal number to decimal.

What Is a Hex to Decimal?

The Hex to Decimal converter interprets hexadecimal (base-16) numbers and shows their decimal value. It handles numbers of any size precisely using BigInt, making it useful for color codes, memory addresses, and protocol fields. This free online tool is useful for hex to decimal converter, hexadecimal to decimal, base 16 to base 10. Common use cases include programming, memory addresses, protocol fields, color values, and number-system work. It is designed for quick browser-based hashing, encoding, decoding, encryption testing, checksum comparison, identifier generation, and cryptography education. For production security, follow the algorithm's current standards, key-management requirements, and application-specific security guidance.

How to Use This Hex to Decimal

  1. 1
    Enter the inputType or paste the text, number, key, or value required by the tool.
  2. 2
    Choose the relevant optionSelect the algorithm, variant, direction, or format when the tool provides choices.
  3. 3
    Run the operationThe conversion or cryptographic calculation is performed in your browser.
  4. 4
    Review the resultCheck the output format and any algorithm-specific warnings.
  5. 5
    Copy the resultUse the generated value in your development, testing, education, or verification workflow.

Frequently Asked Questions

FF in hex equals 255 in decimal. It is also the largest two-digit hex number, equivalent to a full 8-bit byte of 255.
No. Both 'ff' and '0xff' are accepted; the prefix is optional.

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