Encode and decode Base64 strings securely. Data is processed locally in your browser and never leaves your device.
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Output
Frequently Asked Questions
Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format. It translates data into a radix-64 representation, commonly used to encode binary data that needs to be stored and transferred over media that handle text.
Yes, this tool processes all data locally within your browser. No data is sent to or stored on our servers, ensuring your sensitive information remains completely private.
Base64 is frequently used for embedding images directly into HTML or CSS using Data URIs, encoding credentials for Basic HTTP Authentication, and attaching binary files in emails (MIME).
Simply select "Encode" or "Decode", paste your text or Base64 string into the input area, and click the "Encode to Base64" or "Decode from Base64" button. The result will appear instantly in the output box.