Base64 Encoder/Decoder
Encode and decode text to/from Base64 format instantly in your browser. Supports full Unicode and emoji characters with no server upload required for complete data privacy.
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How to Use
- Paste or type your plain text to encode, or a Base64 string to decode back to readable text
- Click the 'Encode' or 'Decode' button to instantly convert your input in the browser
- Copy the converted result from the output area using the one-click copy button
- Use the mode switch button to seamlessly toggle between encoding and decoding modes
- Bidirectional Base64 encoding and decoding
- Complete Unicode and emoji support
- Real-time validation with error messages
- No server upload - completely client-side processing
Frequently Asked Questions
Yes, EZ2Conv's Base64 encoder/decoder is 100% free with no hidden fees, premium tiers, or usage limits. Encode and decode unlimited text with full Unicode and emoji support at no cost.
Absolutely. All Base64 encoding and decoding is performed entirely in your browser using JavaScript. Your text never leaves your device or gets sent to any server, making it safe for encoding API keys, tokens, and other sensitive strings.
No registration or login required. Simply visit the page and start encoding or decoding Base64 immediately. Get instant results with bidirectional conversion, no email or account needed.
Base64 encoding converts binary data into ASCII text format. It's commonly used for embedding images in HTML/CSS, sending data in URLs, encoding email attachments (MIME), storing binary data in JSON/XML, and transmitting data through text-only channels.
Yes, our Base64 encoder fully supports Unicode characters, including emojis, accented letters, and characters from all languages. The tool properly handles UTF-8 encoding to ensure accurate conversion of any text content.