Base64 Encode & Decode Online

Base64 is a binary-to-text encoding scheme used to represent binary data in an ASCII string format. It is essential for developers when transmitting data over media that are designed to deal with textual data (like HTTP or HTML).

• Encode Text: Convert any string to Base64 format.
• Decode Text: Reveal the original content of a Base64 string.
• Image to Base64: Convert JPG/PNG images to Data URIs for embedding in CSS or HTML.
• Base64 to Image: Preview and download an image from a Base64 string.

Why use QodeCat Base64 Tool?

Security First

Decoding sensitive data (like API keys or tokens) on unknown websites is risky. QodeCat processes everything locally in your browser. Your data never leaves your device.

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