base64.questValidate & Repair Base64
Paste a string to check if it's valid Base64. The tool automatically handles raw Base64 and Data URI formats.
Valid: falseFormat: standardConfidence: 0%
Suggestions
- Input is empty.
Auto-correction attempts to fix common errors like whitespace or incorrect characters. It will preserve a Data URI prefix if one is found.
Preview Full Corrected String
(empty)