Base64 Encoder/Decoder
Encode and decode Base64 strings and files
Convert text or files to Base64 encoded string
0 characters
About Base64 Encoding
- • Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format
- • It's commonly used to embed images in HTML/CSS, encode data in URLs, and transfer binary data over text-based protocols
- • Base64 encoding increases data size by approximately 33% compared to the original
- • This tool supports Unicode characters and handles them properly using UTF-8 encoding
About this tool
Encode and decode Base64 strings and files This tool runs entirely in your browser — your data never leaves your device.
Privacy
All processing happens client-side. We don't store or transmit your data to any server. Your files and inputs remain completely private.