Base64 Encode/Decode
Encode text to Base64 or decode Base64 strings back to plain text. Ideal for data URIs, API payloads, and email attachments.
Related tools
What is this tool?
Base64 is an encoding scheme that converts binary data into ASCII text. This free online Base64 encoder and decoder lets you convert text to Base64 or decode Base64 back to plain text—useful for APIs, data URIs, and embedding binary in JSON.
How to use
Paste or type text in the input box. Click Encode to get Base64, or paste Base64 and click Decode to get original text. No data is sent to any server; everything runs in your browser.