Encode & Decode
Base64 Encoder/Decoder
Encode text or files to Base64, or decode Base64 strings back to plain text. Fast and private.
Input
Output (Encoded)
Text & File Support
Encode plain text or upload any file to get its Base64 representation.
Auto-Detect Mode
Automatically detects whether input is Base64 encoded and suggests the right action.
Instant Results
Get encoded or decoded output instantly with one-click copy to clipboard.
Base64 Tool FAQs
Everything you need to know about this tool.
Free Online Base64 Encoder & Decoder
Movfy's Base64 tool lets you quickly encode and decode Base64 strings and files. Base64 encoding is essential for embedding binary data in text-based formats like JSON, HTML, and CSS.
Upload files directly or paste text to convert. All processing runs in your browser for complete privacy and instant results.