# Chrome DevTools & Firefox DevTools
## ChromeDevTools
- [devtools.chrome.com](https://devtools.chrome.com)
- [Port of Firefox's JSON Viewer](https://chrome.google.com/webstore/detail/json-viewer/efknglbfhoddmmfabeihlemgekhhnabb)
- [twitter.com/ChromeDevTools](https://twitter.com/ChromeDevTools)
- In @ChromeDevTools Network, the Copy menu is powerful for replaying network requests. Copy as Fetch API code, cURL and a Node.js fetch that includes cookie data:
[](https://twitter.com/addyosmani)
## Firefox DevTools
- [Firefox DevTools](https://developer.mozilla.org/en-US/docs/Tools/Tools_Toolbox)
- Tip: Firefox has a really nice JSON viewer built in. Transforms JSON files (and API responses) into an easy to browse & search tree.
[](https://developer.mozilla.org/en-US/docs/Tools/Tools_Toolbox)
## Other Tools
- [jsontoolbox.com](https://jsontoolbox.com/)