Base64 to JSON Online - Free Tool

Decode Base64 encoded string to JSON. 100% browser-based, no registration required.

Step 1: Paste your JSON

Paste or type your JSON data into the input area above.

What is Base64 to JSON?

Decode Base64 encoded string to JSON. Works entirely in your browser.

Is Base64 to JSON free?

Yes, completely free. No registration, no limits, no hidden fees.

Can I process large JSON files?

Yes, the tool runs client-side. Large files may take longer.

Is my JSON data secure?

Yes, all processing is done locally in your browser.