Base64 to Hex Converter

Summary

Paste a Base64 string and instantly get the hexadecimal representation of its decoded bytes.

How it works

1. Paste your Base64 string into the input field.
2. Choose uppercase or lowercase hex output.
3. Optionally set the byte separator (space, colon, none, etc.).
4. Click Convert to decode the Base64 and render each byte as a two-digit hex value.
5. Copy the hex output or the raw decoded text with one click.

Use cases

• Inspect raw byte values of a Base64-encoded binary blob.
• Debug cryptographic keys, digests, or tokens stored in Base64.
• Convert Base64 certificates or public keys to hex for byte-level analysis.
• Verify encoding round-trips during development and testing.
• Analyze Base64 payloads from network captures or API responses.

Frequently Asked Questions