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Base64 Encoder

Encode any text — including emoji and Unicode — to Base64

FreeInstantPrivate
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How it works

A compact workflow from input to download.

1

Enter your input

Paste text, add numbers, or choose the options this tool needs.

2

Get the result

The calculation or conversion runs instantly in your browser.

3

Copy or reuse it

Copy the output into your document, code, spreadsheet, email, or workflow.

Frequently asked questions

Does it handle emoji and non-English text?
Yes — text is first encoded to UTF-8 bytes and then to Base64, so 你好 and 🎉 round-trip correctly. Naive encoders that skip the UTF-8 step fail on anything beyond ASCII.
Is Base64 encryption?
No — it's a reversible encoding, not encryption. Anyone can decode it. Use it for data transport (embedding in JSON, data URIs, basic auth headers), never for hiding secrets.
Is anything uploaded?
No. This tool runs locally in your browser. The text or numbers you enter are not sent to a server, logged, or stored.

When to use Base64 Text Encoder

Small utilities are valuable because they remove tiny pieces of repeated work. A focused tool is faster than opening a heavyweight app, safer than uploading private data to an unknown service, and easier to trust because the result is visible immediately.

A local-first utility

This page is designed for quick everyday work: paste the input, adjust the options, and copy the result. Processing happens in the browser, which keeps the interaction fast and keeps your data on your own device.

Related tools

Continue the workflow with adjacent tools.

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Decode Base64 strings back into readable text
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Entity Decode
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