we also created:

World's simplest base64 JSON encoder for web developers and programmers. Just paste your JSON data structure in the form below, press Base64 Encode JSON button, and you get a base64-encoded JSON document. Press button, get JSON. No ads, nonsense or garbage.

Announcement: We just added another two new tools categories –
PNG Tools and UTF8 Tools. Check them out!

Want to decode a base-64 encoded JSON?

Use the Base64 Decoder!

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Pro tip: You can use ?input=text query argument to pass text to tools.