Convert text to Base64 or decode Base64 strings instantly. Fast, secure, and privacy-first.
Base64 is an encoding scheme that converts binary data into ASCII text. It's commonly used for encoding data in emails, embedding images in HTML/CSS, and transmitting data over text-based protocols.
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 emails, embedding images in HTML/CSS, and transmitting data over text-based protocols like JSON and XML.
All encoding and decoding happens in your browser. Your data never leaves your device.
Instant conversion with no server delays. Process large texts in milliseconds.
Upload files directly to encode them to Base64. Perfect for images and documents.
Simple interface with one-click copy. Switch between encode and decode modes instantly.
Base64 encoding works by dividing binary data into chunks of 6 bits and representing each chunk with one of 64 ASCII characters (A-Z, a-z, 0-9, +, /). The padding character (=) is used when the input length isn't divisible by 3.
Our tool handles UTF-8 encoding automatically, ensuring that special characters and international text are encoded correctly.
No. Base64 is an encoding scheme, not encryption. It's designed for data representation, not security. Anyone can decode Base64 strings.
Base64 increases data size by approximately 33% because it uses 4 ASCII characters to represent 3 bytes of binary data.
Yes! Click the "Upload File to Encode" button to convert any file to Base64. This is useful for embedding images in CSS or creating data URLs.