What is a Base64 Encoder / Decoder?
The Base64 Encoder / Decoder transforms text, code, or binary data into a safe, ASCII-only string for storage or transmission.
Base64 encoding is a must-have for developers, bug bounty hunters, and penetration testers working with HTTP headers, JWT tokens, emails, and more.
Decode encoded data in seconds or encode any input for secure transport.
- Fast and secure encoding/decoding for web, API, and security research
- Handles any text, JSON, code, or small binary blobs
- Copy/paste support for instant use in pentesting and development
Common Use Cases for Base64
- Encoding binary files for email attachments, web APIs, or safe database storage
- Decoding JWT tokens, HTTP cookies, or malware samples
- Safely embedding images, scripts, or config data in code or documents