Security Tools

Free online security tools: JWT decoder & inspector, Base64 encoder, and Base64 decoder. Decode tokens and encode data instantly — 100% in your browser.

3 Tools available

JWT Decoder

Decode and inspect JWT tokens instantly. View the header, payload, and signature.

Free Tool

Base64 Decoder

Decode Base64 strings back to plain text instantly.

Free Tool

Base64 Encoder

Encode text to Base64 instantly.

Free Tool

Frequently Asked Questions

Are these tools free?

Yes. All tools on PayloadTools are completely free to use with no registration required.

Is my data private?

All processing happens entirely in your browser. Your data never leaves your machine and is never sent to any server.

Do I need to install anything?

No. All tools run directly in your web browser. No installation, plugin, or extension is required.