Base64 encoding converts text or binary data into a text representation using a specific set of 64 characters, commonly used to safely embed data in places that only support plain text.
Yes, it is Unicode-safe, meaning emoji and non-Latin scripts encode and decode correctly, not just basic ASCII text.
The tool shows a clear error message stating the input is invalid Base64, instead of producing garbled or broken output.
Yes, both "Encode to Base64" and "Decode from Base64" buttons are available together on the same page.
It is commonly used to embed images or files inside text-based formats like HTML, CSS, JSON, or email, where only plain text is allowed.