Base64 Encode/Decode

Encode or decode Base64 strings.

Base64 Output

Enter text above to see Base64 output.

What is Base64 Encode/Decode?

Base64 encoding represents binary data as ASCII text. Encode/decode tools are essential for tokens, PEM bodies, and protocol debugging.

How it works

Paste text or Base64. PacketWizard converts in-browser and helps you spot padding or URL-safe alphabet issues.

Common issues

  • URL-safe Base64

    JWTs use Base64URL without padding. Standard Base64 decoders may fail until -/_ and padding are normalized.

Frequently asked questions

Is Base64 encryption?

No. Base64 is encoding only. Anyone can decode it; do not treat it as confidentiality protection.

Related tools

Continue with these related PacketWizard tools for adjacent diagnostics.

URL Encode/DecodeEncode or decode URL-encoded strings.Hex Encode/DecodeEncode and decode UTF-8 text as hexadecimal.JWT InspectorDecode, inspect, and verify JSON Web Tokens with claim analysis and signature validation.Hash GeneratorGenerate cryptographic hashes for text and files.