Base64 to Hexadecimal Converter
Decode Base64-encoded strings and convert to hexadecimal representation. View binary data in the standard hex format used by developers and debugging tools. Perfect for analyzing cryptographic data, protocols, and binary files. All processing happens in your browser.
Recommended Settings
For Development
- •Standard format for binary data inspection
- •Perfect for cryptographic data analysis
- •Essential for protocol debugging
For Security
- •All conversion happens in your browser
- •No data sent to external servers
- •Safe for sensitive cryptographic data
Pro Tips
- •Each byte shown as 2-digit hex (00-ff)
- •Spaces separate bytes for readability
- •Industry standard for binary data viewing
Most Popular
Most users analyze binary data and cryptographic values
When to Use This Tool
Convert Base64-encoded binary data to hexadecimal for inspection and debugging. Hex is the standard format for viewing binary data, making it perfect for analyzing file headers, network packets, and data structures.
Recommended: Development
Inspect Base64-encoded cryptographic data, hashes, or encryption keys in hexadecimal format. Many cryptographic operations use hex representation for keys, signatures, and hash outputs.
Recommended: Security
Debug network protocols, file formats, or communication payloads by viewing the hexadecimal representation. Essential for reverse engineering and understanding binary protocols.
Recommended: Debugging
How It Works
Paste your Base64-encoded string
Tool decodes to raw bytes
Converts each byte to 2-digit hexadecimal
Displays space-separated hex values
100% Private
Files never leave your device. All processing happens locally in your browser.
Lightning Fast
Powered by Client-side JavaScript for optimal performance on modern browsers.
Open Source
Built with verified, open-source libraries. Fully transparent.
Frequently Asked Questions
What does this tool do?
This tool decodes Base64-encoded strings and converts each decoded byte into its 2-digit hexadecimal representation. Hexadecimal is the standard format for viewing binary data, commonly used in development and debugging.
What is hexadecimal format?
Hexadecimal (hex) uses base-16 numbers (0-9, a-f) to represent data. Each byte is shown as two hex digits (00-ff). It's more compact than decimal and is the standard format for viewing binary data in most development tools.
How is this different from decimal?
Hexadecimal is more compact and is the standard format used by developers, hex editors, and debugging tools. Two hex digits can represent any byte value (00-ff), while decimal requires up to three digits (0-255).
Is my data safe?
Absolutely! All decoding and conversion happens entirely in your browser using client-side JavaScript. No data is ever sent to any server, ensuring complete privacy and security.
Can I use this for cryptographic data?
Yes! This tool is perfect for viewing Base64-encoded cryptographic keys, hashes, signatures, and encrypted data in hexadecimal format. Many crypto tools and libraries use hex representation for these values.