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Encode, decode, inspect, and copy Base64 or Base64URL values in a focused browser-only workspace.
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No. Base64 is encoding, not encryption. Anyone who receives a Base64 string can decode it instantly with no key or password required.
It makes binary or structured values safe to move through text-only systems such as HTTP headers, JSON payloads, email, and logs.
Base64URL replaces + with - and / with _, and often omits padding. It is commonly used in URLs and JWT tokens because the output is safer inside links.
No. Encoding, decoding, copying, and image preview detection run in your browser.