Free Online Base64 Encoder and Decoder Tool
Convert text to Base64 and decode Base64 strings instantly. 100% client-side processing for maximum privacy and security.
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About Our Free Online Base64 Encoder and Decoder Tool
What is Base64 Encoding?
Our free online Base64 encoder and decoder tool is designed specifically for developers and technical professionals. Base64 is a binary-to-text encoding scheme that converts binary data into an ASCII string format. This Base64 tool makes it easy to encode and decode data instantly, with 100% client-side processing for maximum privacy and security. Whether you need to convert text to Base64 or decode Base64 strings, our tool handles it all efficiently.
Common Use Cases for Base64 Encoding
- Email Attachments: Use our Base64 encoder for MIME encoding and safe email transmission
- Data URIs: Encode images to Base64 for embedding directly in HTML/CSS
- API Integration: Encode credentials for Basic Authentication with our online tool
- Web Development: Safe transmission of binary data in JSON/XML using Base64 encoding
- JWT Tokens: Encode headers and payloads for web security applications
Why Use Our Free Online Base64 Encoder Tool?
🔒 100% Private & Secure
All Base64 encoding and decoding happens in your browser. Your data never touches our servers.
⚡ Lightning Fast Encoder
Instant Base64 encoding and decoding with optimized algorithms.
📱 Mobile-Friendly Tool
Our Base64 encoder works perfectly on all devices.
🆓 Completely Free
Use our online Base64 tool with no registration or limits.
How to Use the Base64 Encoder and Decoder
🔒 Encoding Text to Base64
- Click the "Encode" button on our free tool
- Paste or type your text in the input field
- Click "Encode to Base64" button
- Your Base64 encoded string appears instantly
- Click "Copy" to use the encoded result
🔓 Decoding Base64 to Text
- Click the "Decode" button
- Paste your Base64 string
- Click "Decode from Base64"
- Your decoded text appears
- Copy the result as needed
Frequently Asked Questions About Our Base64 Encoder and Decoder
What is this free online Base64 encoder and decoder tool used for?
Our free online Base64 encoder and decoder tool converts binary data into text format for safe transmission. Common uses include email attachments, data URIs, and API authentication.
Is Base64 encoding secure?
Base64 is NOT encryption. Anyone can decode Base64 strings using tools like ours. Use proper encryption (AES/RSA) for sensitive data.
Can I encode images using this tool?
Yes! Use our Image to Base64 converter to encode PNG, JPG, GIF, or SVG images.
Is my data safe using this online encoder?
Absolutely! All encoding happens 100% in your browser. Your data never leaves your computer.