Base64 Encoder/Decoder
Encode and decode text or binary data in Base64 format for embedding images, APIs, and data transfer
How to Use This Tool
Choose Encode or Decode mode, then select Text or File tab.
In Text mode, type or paste — output updates in real time.
In File mode, upload a file to encode or decode it. Auto-detection suggests the right mode.
About This Tool
Base64 Encoder/Decoder converts between text or binary files and Base64 encoding. Commonly used for embedding images in HTML/CSS via data URIs, transmitting binary data over text-only protocols like JSON, and encoding email attachments. All processing runs locally in your browser.
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