Base64 Encoder/Decoder

Encode and decode Base64 strings instantly. Convert text, images, and files to Base64 format and vice versa.

cloud_upload
Drag & Drop files here to encode to Base64
Supports images, documents, and any file type
text_fields Input Text
lock Base64 Encode
Convert text to Base64 format
lock_open Base64 Decode
Convert Base64 back to text
http URL Safe Encode
Base64 for URLs (+/ becomes -_)
error There was an error processing your request.
warning Warning message will appear here.

About Base64 Encoding:

  1. Base64 Encoding converts binary data to ASCII text format using 64 characters
  2. Base64 Decoding converts Base64 strings back to their original format
  3. Commonly used for embedding images in HTML/CSS, email attachments, and data URIs
  4. Increases data size by approximately 33% due to encoding overhead

Common Use Cases:

  • Data URIs: Embed images directly in HTML/CSS
    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==
  • Email Attachments: Encode files for email transmission
  • API Responses: Send binary data in JSON APIs
  • Storage: Store binary data in text-based formats

Base64 Character Set:

  • Uppercase: A-Z (26 characters)
  • Lowercase: a-z (26 characters)
  • Numbers: 0-9 (10 characters)
  • Special: + and / (2 characters)
  • Padding: = (for padding)
  • URL Safe: - and _ instead of + and /

JavaScript Methods:

  • btoa() - Encode string to Base64
  • atob() - Decode Base64 to string
  • For Unicode support, use encodeURIComponent + btoa

Free Base64 Encoder and Decoder

Encode or decode Base64 text easily. Use this free Base64 encoder and decoder tool for your data or code.

Free Base64 Encoder and Decoder

Welcome to our Free Base64 Encoder and Decoder tool. This tool helps you change your text or data into Base64 and also change it back to normal text. It is free, fast, and very easy to use. You do not need to download anything or know coding. Just copy your text, paste it in the box, and click the button to change your data in one click.

Base64 is a way to make your text, files, or images safe for the internet. Many websites and apps use Base64 to send or save data safely. With this tool, anyone can change text to Base64 and back easily. Developers, students, or beginners can use it. It is simple for everyone.

You can use this tool on any device — computer, phone, or tablet. It works in your browser. Nothing leaves your device, so your data is safe and private. You can use this tool many times. It is always free and easy.

Base64 is useful for web work. You can use it to put images in a website, hide codes, or move data safely. This tool makes your work faster and easier. Even if you are not a developer, you can still read or change Base64 text without trouble.

Our Base64 Encoder and Decoder is very simple. Buttons are easy to click and the result shows clearly. You can copy the result with one click. You can also start again anytime. The tool is clean, fast, and saves your time.

This tool is for everyone — students, bloggers, developers, or content creators. It works all day and night, with no limits. You do not need an account or login. You can use it for school, work, or learning. Try it now and see how easy Base64 encoding and decoding can be with this free online tool.

We made this tool to help everyone. It is free, simple, safe, and quick. You can change text, code, or files into Base64 and back easily. It is perfect for learning, web projects, or sharing data online. With our free Base64 Encoder and Decoder, your work is faster, simpler, and safer.