Base64 Encoder/Decoder

Encode or decode text and files to Base64 format instantly.

Base64 result will appear here...

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to embed image data within HTML or CSS, or to transmit data over media that only supports text. Our tool makes it easy to convert any string or file into its Base64 representation instantly.

Why use our Base64 Converter?

Whether you are a developer looking to embed a small icon into your stylesheet without an extra HTTP request, or you need to encode sensitive parameters for a URL, our tool is built for you. It supports both plain text and file uploads, providing a seamless workflow with zero server-side storage.

Key Features

  • Text Encoding & Decoding: Quickly switch between base64 and UTF-8 strings.
  • File to Base64: Upload images, PDFs, or any other file type up to 5MB.
  • Instant Result: See your converted data immediately as you type or upload.
  • 100% Secure: No data is uploaded; everything happens locally on your device.

How to use Base64 Converter?

  • To encode: Enter text into the input box or upload a file. The Base64 string will be generated automatically for files, or click Encode for text.
  • To decode: Paste a Base64 string into the input box and click Decode to get the original text.
  • Use the Copy button to quickly get the result to your clipboard.

Frequently Asked Questions

What file types are supported?

You can upload any file type (images, PDFs, text, etc.), though it is most commonly used for images. The size is limited to 5MB for browser performance.

Is it secure?

Yes, everything happens in your browser. Your files and text never leave your computer.

Does it support UTF-8 characters?

Yes, our encoder is specifically designed to handle UTF-8 text correctly, ensuring that special characters are preserved during the conversion process.