Base 64 Decode Online
Free Base64 decoder - decode Base64 encoded strings to plain text instantly
âšī¸ About Base64 Decoding
This tool decodes Base64 encoded strings back to their original text format. Base64 encoding is reversible, so you can decode any properly encoded Base64 string to retrieve the original data.
đ Format Examples
Example 1: Simple Text
Base64 Input:
SGVsbG8gV29ybGQh
Decoded Output:
Hello World!
Example 2: Email Content
Base64 Input:
VXNlcjogam9obkBleGFtcGxlLmNvbQpQYXNzd29yZDogc2VjcmV0MTIz
Decoded Output:
User: [email protected]
Password: secret123
Example 3: JSON Data
Base64 Input:
eyJuYW1lIjoiSm9obiIsImFnZSI6MzAsImNpdHkiOiJOZXcgWW9yayJ9
Decoded Output:
{"name":"John","age":30,"city":"New York"}
đĄ Common Use Cases
- Decoding email attachments and MIME content
- Reading Base64-encoded configuration files
- Decoding API responses with Base64 data
- Extracting text from data URIs in HTML/CSS
- Debugging web applications that use Base64 encoding