Base64 to HEX Converter
Convert between Base64 and hexadecimal encoding
Base64 ⇄ HEX Converter
Convert between Base64 and hexadecimal encoding
Length: 0 chars • Bytes when decoded: 0
Frequently Asked Questions (FAQs)
Base64 to HEX conversion is the process of converting Base64-encoded text to hexadecimal (base-16) representation. This is useful for inspecting binary data, cryptographic operations, and debugging encoded data.
Common use cases include: 1) Analyzing Base64-encoded cryptographic keys or hashes, 2) Debugging encoded data in APIs, 3) Converting data for use with tools that require HEX input, 4) Inspecting binary file contents encoded in Base64.
Yes, our converter automatically detects and handles URL-safe Base64 (which uses - and _ instead of + and /). You can also manually select URL-safe mode for conversion.
You can choose from multiple HEX output formats: plain (48656C6C6F), spaced (48 65 6C 6C 6F), 0x-prefixed (0x48 0x65 0x6C 0x6C 0x6F), or U+ notation for Unicode characters.
Yes, the converter handles large Base64 strings efficiently. For extremely large inputs (several MB), it processes in chunks to maintain browser performance.
Yes, Base64 to HEX conversion is completely lossless when using valid Base64 input. The original binary data can be perfectly reconstructed from the HEX output.
The converter validates Base64 input and shows errors for invalid characters or malformed Base64 strings. It also handles missing padding automatically.
Yes, our tool includes bidirectional conversion. You can switch between Base64 to HEX and HEX to Base64 modes with a single click.
HEX representation is larger than Base64. Base64 uses 4 characters for every 3 bytes, while HEX uses 2 characters per byte. HEX is about 50% larger than the original binary, while Base64 is about 33% larger.
Base64 represents binary data, so there are no character encoding issues. The HEX output represents the raw bytes, which you can interpret as text if they contain valid UTF-8/ASCII.
