Base64 Encoder
Encode any text, including Unicode characters and emojis, to Base64 format instantly. Free online Base64 encoder — paste text, click Encode, copy result. Nothing uploaded.
Frequently Asked Questions
What does Base64 encoding do?
Base64 encoding converts text or binary data into a string of 64 safe ASCII characters. It is used in email attachments, data URIs, JWT tokens, and HTTP Basic Auth.
How do I encode text to Base64?
Paste your text into the input and click Encode. The Base64 string appears in the output — ready to copy.
Does this encoder support Unicode?
Yes. It uses TextEncoder internally, so all characters including emojis, Chinese, Arabic, and other scripts are handled correctly.