Base64 encoder
Encode Text to Base64 Instantly
Use this free online Base64 Encoder to convert plain text into Base64 encoded format instantly. Useful for developers, web designers, API integrations, data transmission, and encoding sensitive text for transport.
What is Base64 Encoding?
Base64 encoding converts plain text or binary data into ASCII text format using a standardized 64-character alphabet. It is commonly used when binary data must be transmitted over text-based protocols such as email, JSON APIs, XML, or HTML.
How to Use This Tool
- Enter or paste your plain text into the input field.
- Click the encode button.
- Instantly receive the Base64 encoded output.
- Copy the encoded string using the copy button.
Common Uses of Base64 Encoding
- Encoding API payloads
- Embedding images in HTML/CSS
- Encoding authentication tokens
- Safely transmitting binary data via text protocols