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Discover how our intelligent decoder automatically handles nested formats like Base64 in JSON, JWT in URLs, and more. No more manual format switching!

Free online tool that automatically detects and decodes Base64, JSON, JWT, and URL formats. Secure client-side processing with nested format support.

Learn everything about Base64 encoding - what it is, how it works, when to use it, and common pitfalls to avoid. Includes practical examples and best practices.