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Base64 Decoder
Decode Base64 strings back to readable UTF-8 text.
Zero Server Storage: All computation and file conversion runs 100% locally in your browser memory.
SANDBOXEDLoading workspace...
Operating Manual
3-STEP WORKFLOW01
Paste your Base64 encoded string.
02
Click Decode.
03
Copy or inspect the resulting decoded plaintext.
About This Tool
INFORMATIONDecode Base64 encoded strings back to human-readable plaintext with automatic padding correction.
This tool processes your input locally in your web browser. Your files, texts, and data never leave your device, ensuring total privacy and instant results with zero wait times.
Frequently Asked Questions
What happens if a Base64 string is missing padding ("=")?
Our decoder automatically handles missing padding characters and decodes safely.