Base64 Decoder

Base64 Decoding: Complete Guide

Base64 decoding converts Base64-encoded strings back to their original binary or text format. Here's what you need to know:

• Text decoding - Convert Base64 back to plain text
• File decoding - Decode Base64 to original binary files
• Validation - Check if Base64 string is valid
• Error handling - Identify and fix malformed Base64

Our Base64 decoder supports text and file decoding with automatic validation and file type detection.

Common Use Cases:

• Decode email attachments
• Extract images from Data URIs
• Decode API response data
• Recover binary files from Base64