Base64 in Python: encode, decode, and urlsafe_b64encode Explained
Complete guide to Python's base64 module: b64encode, b64decode, urlsafe variants, encoding bytes vs strings, and handling padding errors.
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Tags: encoding, python, base64
Base64 in Python: encode, decode, and urlsafe_b64encode Explained Python's module is part of the standard library — no pip install required. It covers standard Base64, URL-safe Base64, Base32, Base16, and more. This guide focuses on the functions you'll actually use: , , , and , plus the file encoding patterns that trip people up. b64encode and b64decode Encoding Decoding The parameter By default, silently ignores invalid characters. This is a common source of bugs — you think you're decoding valid data, but garbage bytes slip through. Use to enforce strict decoding: Always use when decoding user-supplied or network-received data. --- URL-safe Base64 Standard Base64 uses and characters, which are special in URLs and must be percent-encoded. URL-safe Base64 replaces them: → , → . This…
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