Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text.

100% Private — Nothing is Uploaded

All processing happens locally in your browser. Your files never leave your device and are never sent to any server.

Input text

URL-safe mode

Result

About Base64

Base64 is a way to encode binary data as ASCII text. It is commonly used in email attachments, data URLs, and API tokens.

This tool encodes plain text into Base64 or decodes Base64 back into plain text. Everything runs in your browser, so your data stays private.