Encode & Decode Base64
Convert text and .txt files to/from Base64 format with smart content detection ⚡
📥 Input
📤 Output
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Secure & Private
All processing happens in your browser. No data is sent to our servers.
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Smart Detection
Automatically detects Base64 vs plain text content in uploaded files.
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.txt Files Only
Focused on text file processing with proper validation and error handling.