Base64 Encoder & Decoder

Convert any text or file to Base64 or decode Base64-encoded strings back to human-readable form. Ideal for developers, testers, and learners.

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme used to safely transmit data over media that are designed to handle text. It is commonly used in data URLs, JSON web tokens, email attachments, and more. This tool helps you easily encode or decode Base64 from plain text.

When to Use Base64?

  • Embedding images into HTML or CSS
  • Transmitting binary data via JSON
  • Encoding credentials in HTTP headers
  • Storing files in text-based formats

FAQs – Base64 Tool

No, Base64 is an encoding technique, not encryption. It’s not secure and shouldn't be used for protecting sensitive information.

Yes. Base64 is reversible using a decoder, such as this tool.

There's no strict limit, but browsers or apps might limit the size of data you can encode inline.