Base64 Encoder / Decoder
Encode or decode text and files to Base64 format.
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About this tool
Convert text or files to Base64 encoding and decode Base64 strings back to original format. Supports UTF-8 and binary files.
Frequently Asked Questions
Base64 encoding converts binary data into ASCII text using 64 characters. It's commonly used for embedding images in CSS/HTML (data URIs), encoding API tokens, email attachments, and safely transmitting binary data in text-based protocols.