Base64 Converter
A real-time Base64 encoder and decoder. Convert text to Base64 and vice versa with instant feedback.
How to Use
- Encode: Enter text in the input field to convert to Base64
- Decode: Enter Base64 in the input field to convert back to text
- Auto-detect: The tool automatically detects if you're encoding or decoding
Ready
Features
- Real-time Conversion: Auto-detect and convert as you type
- Manual Controls: Encode/Decode buttons for explicit control
- Error Handling: Clear error messages for invalid input
- Length Information: Track input and output character counts
- Responsive Design: Works on all devices
Privacy & Security
🔒 100% Client-side: All processing happens in your browser. No data is sent to any server or saved anywhere.
Common Use Cases
Configuration Files
Encode sensitive configuration data for storage or transmission.
API Authentication
Generate Base64 encoded credentials for API requests.
Data Transmission
Encode binary data as text for safe transmission.
Log Analysis
Decode Base64 encoded log entries for analysis.
Examples
Text to Base64
Base64 to Text
JSON Configuration
Input: {"api_key": "secret123", "endpoint": "https://api.example.com"}
Output: eyJhcGlfa2V5IjogInNlY3JldDEyMyIsICJlbmRwb2ludCI6ICJodHRwczovL2FwaS5leGFtcGxlLmNvbSJ9
Technical Notes
- Encoding: Uses
btoa()for text to Base64 conversion - Decoding: Uses
atob()for Base64 to text conversion - Auto-detection: Attempts to detect if input is valid Base64
- Character Support: Handles UTF-8 encoded text
- Error Recovery: Graceful handling of invalid Base64 strings