Base64 Encoder / Decoder

About Base64 Encoder & Decoder Online

Free online Base64 encoder and decoder. Encode text or files to Base64 and decode Base64 strings instantly in your browser. Supports URL-safe Base64.

How to use Base64 Encoder

1. 1Select Encode or Decode mode using the tabs.
2. 2Enter your text or upload a file using the file picker.
3. 3The Base64 result appears instantly in the output field.
4. 4Toggle 'URL-safe' if you need the result in a URL, cookie, or filename.

Frequently Asked Questions

About Base64 Encoder & Decoder Online

Free online Base64 encoder and decoder. Encode text or files to Base64 and decode Base64 strings instantly in your browser. Supports URL-safe Base64.

How to use Base64 Encoder

1. 1Select Encode or Decode mode using the tabs.
2. 2Enter your text or upload a file using the file picker.
3. 3The Base64 result appears instantly in the output field.
4. 4Toggle 'URL-safe' if you need the result in a URL, cookie, or filename.

Frequently Asked Questions