Question 1

Why convert Base64 to hex?

Accepted Answer

Base64 and hex are both ways to represent binary data as text. Hex (two characters per byte) is more readable for low-level inspection of binary content — seeing individual byte values. Cryptographic operations, binary protocols, and debuggers commonly work in hex.

Question 2

Is information lost when converting Base64 to hex?

Accepted Answer

No. Both formats represent the same underlying binary data — just in different encodings. Base64→hex and hex→Base64 are lossless reversible transformations. The binary content is identical throughout.

Question 3

How much larger is hex output compared to Base64?

Accepted Answer

Hex represents each byte as 2 characters; Base64 represents every 3 bytes as 4 characters (~1.33× overhead). Hex has a ~2× overhead over raw bytes. So hex output is approximately 50% larger than equivalent Base64 output.

Base64→16進

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