Base64 Decoder
Decode Base64 encoded strings to plain text
Input Length
0
Output Length
0
Encoding
UTF-8
Base64 Input
Enter or paste Base64 encoded string
Decoded Output
Plain text result
About Base64 Decoding
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text format. It's commonly used for encoding data in emails, URLs, and data URIs. This tool decodes Base64 strings back to their original text.
Features
- Real-time validation of Base64 format
- Auto-decode option for instant results
- File upload support
- Download decoded output
- Character count statistics
- Copy to clipboard functionality
Decode Base64 encoded strings back to their original content. Handles standard and URL-safe Base64 with automatic format detection. View decoded output as text or hex dump for binary data inspection.
Key Features
- ✓Decode standard and URL-safe Base64
- ✓Automatic format detection
- ✓Text and hex output modes
- ✓Error reporting for invalid input
- ✓UTF-8 decoding support
How to Base64 Decoder for Developers
- 1
Paste Base64 string
Enter the encoded data.
- 2
Data is decoded
Original content appears instantly.
- 3
Copy decoded result
Click copy for the decoded output.
Common Use Cases
- •Decoding API authentication headers
- •Inspecting Base64 payloads in JWTs
- •Decoding email attachments (MIME Base64)
- •Reading encoded configuration values
Frequently Asked Questions
Can it decode binary data?▼
Yes. Binary data is displayed as a hex dump. Text data is decoded and displayed as readable text.