Free Base64 Encoder

What is Base64 Encoding?

Base64 is an encoding scheme used to represent binary data (like images, files, or complex strings) in an ASCII string format. It translates data into a radix-64 representation so it can be safely transported over networks without corruption.

• UTF-8 & Unicode Support: Standard Base64 functions often crash when encoding Emojis, Arabic, or Urdu text. Our advanced engine securely escapes and encodes UTF-8 characters so you never lose data integrity.
• URL Safe Encoding: Standard Base64 includes `+` and `/` characters which break URLs. Enabling the URL-Safe option replaces them with `-` and `_`, and removes the padding `=`, making the string safe to pass in web requests.
• File to Base64 (Data URI): You can upload any image or small file to get its Base64 representation. This is incredibly useful for embedding images directly into CSS or HTML (using the Data URI scheme) to save HTTP requests and boost page speed.
• 100% Client-Side: Your text and files are processed entirely inside your browser. Nothing is ever uploaded to our servers, ensuring absolute privacy for your tokens and API keys.