What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII characters. It is commonly used to embed images in HTML/CSS, transmit data in URLs, and encode email attachments.

How do I encode text to Base64 online?

Paste your text into ZipKit's Base64 tool and click Encode. The Base64 output is generated instantly in your browser — no data is sent to any server.

How do I decode Base64 back to text?

Paste the Base64 string into ZipKit and click Decode. The original text is recovered instantly in your browser.

Is my data safe when using an online Base64 tool?

Yes. ZipKit processes everything locally in your browser using JavaScript. No data is uploaded to any server, ensuring complete privacy.

Base64 Encode & Decode Online Free — ZipKit

Convert text and files to Base64 directly in your browser. No upload, 100% private.

Please enable JavaScript to use ZipKit.