Instant Base64 Decoder: Convert Encoded Strings to Original Format

Base64 Decoder transforms Base64-encoded strings back into their original format, whether text or files. Simply paste your Base64 string to decode it instantly. Features automatic format detection, file downloading, and clipboard copying for seamless data conversion.

How to Use Base64 Decoder

  • 1. Paste your Base64 encoded string in the input field
  • 2. Click "Decode Base64" to convert the string
  • 3. Choose to copy the decoded text or download as a file
  • 4. For files, enter an optional filename before downloading

Frequently Asked Questions

Base64 is a encoding method that converts binary data into ASCII text format. It's commonly used for sending attachments via email, embedding images in web pages, and storing complex data in a text format.

You can decode any valid Base64 string, including text, images, documents, and other file types. The tool will automatically detect if the decoded content is text or binary data.

Make sure your Base64 string is complete and valid. Common issues include missing padding characters (=), line breaks, or special characters that might have been altered during copying.