🔐 Base64 Encoder/Decoder
Encode and decode Base64 strings
or
About Base64 Encoder/Decoder
🚀 What is Base64?
Base64 is a binary-to-text encoding scheme that converts binary data into a string of ASCII characters. It's commonly used to encode data that needs to be stored or transferred over media designed to deal with text, such as email or JSON.
✨ Key Features
- Instant encoding and decoding
- Full UTF-8 support
- URL-safe Base64 option
- Copy results with one click
- Secure - data never leaves your browser
How to Use
- To Encode: Enter text in the top box and click "Encode to Base64"
- To Decode: Paste Base64 string in the bottom box and click "Decode from Base64"
- Click "Copy" to copy the result to clipboard
Common Use Cases
🌐 Web Development
Embed images directly in HTML/CSS as data URIs. Encode JSON Web Tokens (JWT) for authentication.
📧 Email
Encode email attachments for MIME format. Handle binary data in text-only systems.
🔑 APIs
Basic Authentication headers (username:password encoded). Binary data in JSON payloads.
📝 Configuration
Store binary data in YAML/JSON configs. Kubernetes secrets encoding.
💡 Example
Original: Hello, World!
Base64: SGVsbG8sIFdvcmxkIQ==