Base64-Encoder/Decoder (ALL)

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Base64 Encoder / Decoder

Encode any file or text — decode with live preview. 100% client-side, nothing leaves your browser.

Upload File

📂

Click to browse or drag & drop any file
Images, PDFs, audio, video, documents — all supported

or type / paste text

Plain Text Input

Include data:mime/type;base64, prefix in output

Base64 Output

Base64 String

MIME Type (auto-detected · override if needed)

👁 Live Preview

🔐 100% private — all processing happens in your browser. Zero data sent anywhere.