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FAQ: Base64 Encoding Options

🔒 What is URL-safe Base64?

Standard Base64 encoding uses characters like +, /, and =, which may cause issues in URLs or file names. URL-safe Base64 replaces + with - and / with _, and omits padding. This makes the encoded string safe to use in URLs and filenames.

📏 What does "Line Breaks" mean?

By default, Base64 is encoded in one long line. Enabling line breaks will insert a newline character every 76 characters, following MIME format. This is useful for email content, PEM certificates, or other text-based formats that expect line wrapping.