About Base64 Encoder / Decoder
Base64 Encoder / Decoder — a lightweight online utility designed to encode plain UTF-8 text into Base64 format (RFC 4648) and decode Base64 strings back to human-readable text instantly.
How to Use the Base64 Encoder / Decoder
- Enter plain text to encode OR a Base64 string into the input area.
- Click Encode to Base64 or Decode from Base64.
- Inspect the output box, use Swap Text if needed, and click Copy Result.
Key Features & Practical Applications
- UTF-8 & Binary Support: Safely encodes special characters, symbols, and non-ASCII text strings.
- Two-Way Conversion: Effortlessly switch between text encoding and string decoding with instant feedback.
- Data URI & API Ready: Perfect for preparing web Data URIs, email attachments, and basic HTTP header authentication.
Frequently Asked Questions (FAQs)
Is Base64 encoding a form of encryption?
No — Base64 is a binary-to-text encoding scheme for data transmission, not encryption. Anyone can decode a Base64 string easily.
Why is Base64 used in web development?
Base64 allows binary data (such as images or credentials) to be safely embedded inside HTML, CSS, JSON, or XML without corruption.