Base64 Converter
Encode and decode Base64 strings
Input Text
Output Result
Our professional Base64 converter is the ultimate tool for developers, web designers, and IT professionals who need to encode and decode Base64 strings quickly and efficiently. This powerful utility supports bidirectional conversion, allowing you to transform plain text, binary data, images, and files into Base64 encoded format or decode existing Base64 strings back to their original form. Base64 encoding is essential for web development, email transmission, data storage, and API integrations.
Whether you're embedding images in CSS, transmitting binary data through JSON APIs, or storing sensitive information in databases, our Base64 encoder handles all common use cases. The tool supports various input formats including text strings, file uploads, and direct paste operations. Key features include real-time conversion as you type, support for large files up to 10MB, automatic format detection, and copy-to-clipboard functionality. Our Base64 decoder automatically validates input and provides clear error messages for malformed data.
The interface is mobile-responsive and works perfectly on desktop, tablet, and smartphone browsers. Perfect for software engineers working with REST APIs, email developers handling MIME attachments, database administrators storing binary data, and web developers implementing image embedding. The tool is completely free, requires no registration, and processes all data locally in your browser for maximum security and privacy.