Base64 Encoder Decoder

Base64 encoder decoder: encode any text to Base64 or decode Base64 strings and images instantly. Free, private, runs locally in your browser, no signup.

Client-side only Nothing stored No account needed
Last verified July 2026

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What does this converter do?

Base64 encoder decoder: encode any text to Base64 or decode Base64 strings and images instantly. Free, private, runs locally in your browser, no signup.

Transparent methodology

How this calculator works

Frequently asked questions

What does base64 encode decode do?

Base64 encode decode converts text or binary data into a Base64 string (encoding) and reverses it back to the original format (decoding), all directly in your browser.

Is my data safe when using this base64 encode decode tool?

Yes. This is a no-signup, browser-based tool. Your data is never uploaded to a server or stored anywhere , encoding and decoding happen entirely on your device.

Do I need to create an account or install anything to use base64 encode decode?

No. There is no signup, no installation, and no software to download. Simply open the tool in your browser, paste your text, and encode or decode instantly.

Cite this tool

BoringToolsKit. “Base64 Encoder Decoder.” boringtoolskit.com/base64-tool/. Free to reference in articles, syllabi, and answer posts with a link.

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