Free Base64 Encode/Decode Tool – Secure & Fast
Base64 encoding is essential for converting binary data like images, files, and documents into a string format that can be safely transmitted over text-based protocols. This encoding method is widely used in web development for embedding images directly in HTML/CSS, API data transmission, email attachments, and storing binary data in databases. Our tool provides instant, secure Base64 encoding and decoding with support for any text or binary data, making it perfect for developers, system administrators, and anyone working with data conversion.
Encode to Base64
Convert your text or data into Base64 format
Decode from Base64
Convert Base64 encoded data back to original format
Lightning Fast
Instant encoding and decoding with no server processing. Everything happens in your browser.
100% Secure
Your data never leaves your device. All processing is done locally in your browser.
Mobile Optimized
Responsive design that works perfectly on desktop, tablet, and mobile devices.
Common Base64 Use Cases
Image Embedding
Embed images directly in HTML, CSS, or JSON without external files.
API Data Transfer
Safely transmit binary data through REST APIs and web services.
Email Attachments
Encode file attachments for email transmission and storage.
Data Storage
Store binary data in text-based databases and configuration files.