Base64 Encoder/Decoder

Encode or decode text using Base64 encoding. Simple, fast, and secure.

Why Use Our Base64 Tool?

Secure & Private

All processing happens in your browser. No data is sent to our servers.

Lightning Fast

Instant encoding and decoding with our optimized algorithms.

Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile.

How to Use Base64 Encoder/Decoder

Encoding Text to Base64

  1. 1. Select the "Encode" tab at the top of the tool
  2. 2. Enter or paste your text in the input field
  3. 3. Copy your encoded Base64 string from the output field

Decoding Base64 to Text

  1. 1. Switch to the "Decode" tab at the top
  2. 2. Paste your Base64 string into the input field
  3. 3. View your decoded text in the output field

Common Use Cases

  1. Encoding binary data for transmission in email attachments
  2. Embedding images directly in HTML/CSS using data URIs
  3. Storing binary data in JSON format
  4. Encoding authentication credentials for basic HTTP authentication

Base64 Tool Features

  1. Convert text or binary data into Base64 format
  2. Decode Base64 strings back to original data
  3. Support for UTF-8 encoded input/output
  4. Handles both plain text and file inputs
  5. Useful for safely transmitting binary data in URLs and APIs