Base64 Encoder

Encode plain text to Base64 with UTF-8 and other character sets. Set padding, wrap MIME lines or encode each line separately, then copy or download the result.

0 characters
Ready when you are

Add your input, adjust the options and run the tool.

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Options
Runs in your browser
No input saved

How to use this tool

01

Add your input

Paste text or choose a file. Try the example to get started.

02

Choose your options

Encode UTF-8 text, choose a character set, wrap MIME lines or convert each line independently.

03

Inspect and export

Review the processing notes, then copy or download the result. Continue with another tool if needed.

A practical guide to Base64: bits, padding and validation