Base64 Decoded: What Actually Happens When You Hit 'Encode'

📰 Dev.to · zhihu wu

Learn how Base64 encoding works and what happens when you hit 'encode', and why it's not encryption

beginner Published 26 Jul 2026
Action Steps
  1. Paste a string into a Base64 encoder to see the encoded result
  2. Use a tool like Base64Encoder to encode and decode strings
  3. Compare the original string with the encoded string to understand the process
  4. Apply Base64 encoding to a sample dataset to practice
  5. Test decoding the encoded string to retrieve the original data
Who Needs to Know This

Developers and programmers can benefit from understanding Base64 encoding to work with data efficiently, and to differentiate it from encryption methods.

Key Insight

💡 Base64 encoding is a process of converting binary data into a text format using a 64-character alphabet

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💡 Base64 is encoding, not encryption! Learn what happens when you hit 'encode'

Full Article

Base64 is not encryption — it's encoding. If you paste Hello into a Base64 encoder and get SGVsbG8=,...
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