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>Firebug brought the concept to existence in the first place. There were other browser "dev tools" before firebug. https://www.otsukare.info/2020/08/06/browse

• tommica 1y ago
  Crazy - I had forgotten about the earlier ones! The IE one I used at some point, and fiddler too
  • leptons 1y ago
    I still use Fiddler. I prefer it to browser inspector network tab when I need to get into the weeds. It does so much, and I can write custom proxy tweaks with Javascript (actually JScript.NET, but works just like good old JS), and it works with other software, I use it with NodeJS all the time. It's like the Swiss army knife of HTTP.