This tool is useful when doing web or REST development, or when you need to make HTTP requests that are not easily done via the browser (PUT/POST/DELETE). This is based off of the Poster addon, with a focus on preserving the history of transactions, allowing you to go back and review, re-execute, and save/load HTTP requests. HttpRequester can be opened via the Toolbar button (dual-arrow icon). Not
![HttpRequester – Get this Extension for 🦊 Firefox (ja)](https://cdn-ak-scissors.b.st-hatena.com/image/square/43e8700846a7b0ddc704927a757c2bbb519e354b/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F144%2F144966.png%3Fmodified%3D1530208970)