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Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 back to text instantly — free and entirely in your browser.
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What Base64 encoding is for
Base64 encoding converts binary or text data into an ASCII-safe string, commonly used for embedding data in URLs, emails, and JSON payloads where raw binary data isn't safely transportable.
Frequently asked questions
Base64 encoding converts binary or text data into an ASCII-safe string, commonly used for embedding data in URLs, emails, and JSON.
It can decode any valid standard Base64 string; invalid or corrupted strings will show a decoding error.