Quick definition
Base64 converts binary or text data into an ASCII-safe string that can travel through text-based systems.
Best use cases
Data URIs, API payloads, email-safe encoding, and embedding small images or files.
What to watch out for
Base64 increases size and should not be treated as encryption.
Related converters
Conversion tip
Keep the original file, create a converted copy, then compare file size, quality, and compatibility before deleting or uploading the result.