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Base64 Encoder

Encode any text into Base64. Paste your text and get the encoded output with its character length — everything happens in your browser.

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🔒 Your file is processed locally in your browser whenever supported. This tool runs entirely on your device — nothing you type or upload is sent to a server, logged, or stored.

Why use Base64 Encoder?

Standard Base64 encoding of any UTF-8 text
Output length shown for payload planning
No uploads, no logs, no storage

How to use Base64 Encoder

Enter the text to encode.
Press Execute.
Copy the Base64 output.

Frequently asked questions

What is Base64 used for?

Base64 represents binary or special text as plain ASCII characters, commonly used in data URLs, API payloads, email attachments and configuration values.