UtilitiesLocal Sandbox
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to plain text with full UTF-8 Unicode support.
devlab · base64
100% LocalWebCrypto
Encoded Base64 Output
Q3JlZXRpdmVsYWIgLSBEaWppdGFsIFRhc2FyxLFtICYgWWF6xLFsxLFtIFN0w7xkeW9zdSDwn5qA
76 characters1 lines76 bytes
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How It Works
1
Select Operation
Choose between Encode and Decode tabs.
2
Enter Input
Input your raw string or Base64 sequence.
3
Copy Output
Copy converted result or download as a text file.
Use Cases
Basic Authentication
Constructing username:password Authorization headers.
Frequently Asked Questions
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