Base64 Encode / Decode

Convert text to Base64 and decode it back, instantly and privately. Full Unicode (UTF-8) support, no upload, no limits.

What is Base64?

Base64 encodes binary or text data using 64 ASCII characters, so it can travel safely through systems that only handle text — email, JSON, data URLs, and HTTP headers. It isn't encryption: anyone can decode it. Use it for transport, not secrecy.

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Frequently asked questions

Does Base64 encrypt my data?

No. Base64 is reversible encoding, not encryption. Anyone can decode it — never use it to protect secrets.

Does it support emoji and accents?

Yes. This tool encodes UTF-8 correctly, so emoji and accented characters round-trip perfectly.