Encode and decode text to/from Base64 format. Perfect for data encoding, URL parameters, and API integrations.
Professional-grade encoding and decoding with advanced features
All encoding and decoding happens locally in your browser. Your data never leaves your device.
Instant encoding and decoding with real-time results. No waiting, no delays.
Copy encoded or decoded results to clipboard instantly with a single click.
Smart validation detects invalid Base64 strings and provides helpful error messages.
No limits on file size or usage frequency. Encode and decode as much as you need.
Responsive design works perfectly on desktop, tablet, and mobile devices.
Everything you need to know about Base64 encoding
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data in email, URLs, and web applications.
Yes, absolutely! All encoding and decoding happens locally in your browser. Your data never leaves your device and is not sent to any servers.
You can encode any text, including special characters, URLs, JSON data, and even binary data represented as text. It's perfect for API integrations and data transmission.
There are no strict limits imposed by our tool. However, very large texts may slow down your browser. For best performance, we recommend keeping individual encodings under 10MB.
Yes, our tool can decode any valid Base64 string. If the string is invalid, we'll show you a helpful error message explaining what went wrong.
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