Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 strings instantly. Perfect for web development and data transmission.
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How Base64 Encoding Works
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's widely used in web development for encoding data that needs to be transmitted over text-based protocols.
Common use cases include encoding images for data URLs, encoding credentials for HTTP Basic Authentication, and encoding binary data in JSON or XML. Base64 encoding ensures data integrity when transmitting binary information through text-based systems.
Common Use Cases
Common use cases include encoding images for data URLs, encoding credentials for HTTP Basic Authentication, and encoding binary data in JSON or XML. Base64 encoding ensures data integrity when transmitting binary information through text-based systems.
Security Considerations
Our tool supports both encoding text to Base64 and decoding Base64 strings back to their original text. This is essential for developers working with APIs, web applications, and data transmission systems.
Common use: Embedding images in HTML/CSS, API authentication, data transmission
Example: "Hello World" → "SGVsbG8gV29ybGQ="
Data URL: data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...
Frequently Asked Questions - Base64 Encoding
What is Base64 encoding used for?
Base64 encoding is used to encode binary data into ASCII text format. Common uses include encoding images in data URLs, encoding credentials for HTTP Basic Authentication, and encoding binary data in JSON or XML.
Is Base64 encoding secure?
Base64 is an encoding scheme, not encryption. It's not secure for sensitive data as it can be easily decoded. Use proper encryption for sensitive information.
How do I encode an image to Base64?
You can use our tool to encode text, but for images, you'd typically use a file input or drag-and-drop interface. The encoded string can then be used in data URLs like "data:image/png;base64,encoded_string".