← Tools

Base64 Encoder / Decoder

Encode or decode Base64 strings and files instantly.

Input — Plain Text or File
0 characters
Base64 Encoded
Base64 Output
0 characters
100% Private, Device-Local
← Tools

Base64 Encoder / Decoder

Encode or decode Base64 strings and files instantly.

About Base64 Encoder / Decoder

Base64 Encoder / Decoder helps convert text and data between plain text and Base64 format. Base64 encoding is widely used in APIs, authentication workflows, email systems, data transmission, web applications, and software development. Developers often encounter Base64 when working with JWT tokens, embedded images, file transfers, and encoded payloads. This tool makes it easy to encode plain text into Base64 or decode Base64 strings back into readable content. Whether you're debugging API responses, inspecting application data, or preparing encoded values for transmission, the tool provides a fast and convenient browser-based workflow. No installation is required, making it suitable for developers, students, administrators, and technical professionals.

Key Benefits

  • Encode plain text into Base64 format.
  • Decode Base64 strings into readable text.
  • Useful for APIs, tokens, and data transmission.
  • Fast browser-based conversion workflow.

How to use

  1. Paste Input

    Enter text or Base64 data into the input field.

  2. Choose Action

    Select Encode or Decode.

  3. Process Data

    Generate the converted output instantly.

  4. Copy Result

    Use the output in your application or workflow.

Frequently Asked Questions

What is Base64 encoding?

Base64 is a method of representing binary or text data using ASCII characters.

Is Base64 encryption?

No. Base64 is an encoding mechanism, not encryption.

Why is Base64 used in APIs?

It helps safely transmit data through systems that expect text-based formats.

Can I decode JWT payloads?

Base64 decoding is commonly used when inspecting JWT token payloads.

Does the tool store my data?

The tool is designed to process data directly in your browser.