Yes—we encode and decode UTF-8 bytes, not only ASCII—suitable for lesson snippets that include accents or symbols.

Do not paste live API keys or passwords into shared machines. This page has no backend, but your environment still matters.

Free toolsBase64 encoder & decoder

Base64 encoder & decoder

Encode or decode small strings while you work through API courses, webhooks, or data-in-URL examples.

Text → Base64

UTF-8 safe—useful for small API examples, data URLs in docs, or debugging lesson exports.

Plain text

Preview

TGVzc29uIHBheWxvYWQ6IHsiaWQiOjQyfQ==

Base64 → text

Base64

Paste Base64 to decode, or encode from the field above.

Frequently asked questions

UTF-8 safe?: Yes—we encode and decode UTF-8 bytes, not only ASCII—suitable for lesson snippets that include accents or symbols.
Secrets?: Do not paste live API keys or passwords into shared machines. This page has no backend, but your environment still matters.