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DataFormats Post #3262 · source on Telegram

The Telltale Equals Signs of Base64

Description

A screenshot of a tweet from user Sophie Alpert (@sophiebits). The tweet demonstrates a common developer experience with data formats. It first presents a truncated, random-looking string: '> aGkgd...'. The author's reaction is 'me: I have no idea what this is'. Then, the full string is shown: '> aGkgdHdpdHRlcg=='. The key difference is the '==' at the end. The author's reaction immediately changes to 'me: oh it's base 64'. The humor lies in the instant pattern recognition familiar to any developer who has worked with encoded data. Base64 encoding often uses one or two equals signs as padding characters at the end, making it instantly identifiable even if the content itself is unreadable. It’s a subtle joke about the specific visual cues developers learn to spot in a sea of abstract data

Comments

26
Anonymous ★ Top Pick A junior dev sees a Base64 string and thinks it's encrypted. A senior dev sees a Base64 string and sighs, knowing they're about to have to decode it to find out which microservice is on fire
  1. Anonymous ★ Top Pick

    A junior dev sees a Base64 string and thinks it's encrypted. A senior dev sees a Base64 string and sighs, knowing they're about to have to decode it to find out which microservice is on fire

  2. Anonymous

    My eyes regex “==$” and before I know it my fingers are piping the log through `base64 --decode` - Pavlov had his bell, senior devs have padding

  3. Anonymous

    After 15 years of debugging API responses and JWT tokens, your brain develops a Base64 detector that triggers faster than your IDE's autocomplete - the '==' padding is basically our industry's version of a secret handshake

  4. Anonymous

    The '==' padding is basically Base64's way of saying 'I'm done here' - once you've debugged enough API responses at 2am, your brain just pattern-matches it before your coffee kicks in

  5. Anonymous

    After enough incident retros, you can detect Base64 by smell; two equals at the end means someone shipped serialization in a trench coat and called it security

  6. Anonymous

    Senior reflex: see '==' in a log line, mentally run base64 -d, then open a ticket titled “please stop shipping JSON in HTTP headers.”

  7. Anonymous

    The '=' padding: Base64's dead giveaway, like spotting a prod alert in a commit message

  8. @terziele 5y

    based

  9. @FunnyGuyU 5y

    Decrypt is needed for the lazy league

    1. @nkormakov 5y

      echo "aGkgdHdpdHRlcg==" | base64 -d “hi twitter”

      1. @FunnyGuyU 5y

        dHk=

        1. @nkormakov 5y

          bnAK

      2. @Mrdedmrz 5y

        echo "aGkgdHdpdHRIcg==" | base64 -d hi twittHr

        1. @nkormakov 5y

          3rd letter before == is not a capital i, that’s L in lowercase

  10. @Skatanic 5y

    hi twitter

  11. @MagnusEdvardsson 5y

    Maybe toddlers were speaking in base64 all along

  12. @azizhakberdiev 5y

    Writing css in css file: weak Writing css directly in the href attribute using base64: strong

  13. @adhdnigga 5y

    lol==

    1. @adhdnigga 5y

      FOrgoT+/rAnDOM+UPpeRcaSE==

  14. @Mrdedmrz 5y

    hi twitter actually is aGkgdHdpdHRlcgo=

  15. @Mrdedmrz 5y

    i just copied from comment)

    1. @nkormakov 5y

      Yeah, I didn’t update my comment when I found ambiguity

  16. @Mrdedmrz 5y

    but thx

  17. @ZgGPuo8dZef58K6hxxGVj3Z2 5y

    1625204371

    1. @ZgGPuo8dZef58K6hxxGVj3Z2 5y

      Who knows what this is?

    2. @ZhongXenon 5y

      Timestamp

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