Base64 Encoder & Decoder - Online Tool

Base64 Encoder/Decoder

Privacy Notice

All encoding and decoding is performed locally in your browser using JavaScript. No input data is sent to any server, stored, or logged. Miracle Salad does not collect or retain any content entered into this tool.

Frequently Asked Questions

Base64 is a binary-to-text encoding scheme that represents binary data using 64 printable ASCII characters (A–Z, a–z, 0–9, +, /). It converts every 3 bytes of binary data into 4 ASCII characters, increasing size by ~33%. Base64 is not encryption — it provides no security. Its purpose is safe transmission of binary data through text-based channels like email, JSON, or HTML attributes.

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