Firefox devtools responsive mode presets

presets.json

[
  {"key": "320x480", "name": "Apple iPhone 3GS", "width": 320, "height": 480},
  {"key": "320x480", "name": "Apple iPhone 4", "width": 320, "height": 480},
  {"key": "320x568", "name": "Apple iPhone 5", "width": 320, "height": 568},
  {"key": "375x667", "name": "Apple iPhone 6", "width": 375, "height": 667},
  {"key": "414x736", "name": "Apple iPhone 6 Plus", "width": 414, "height": 736},
  {"key": "384x640", "name": "BlackBerry Z10", "width": 384, "height": 640},
  {"key": "360x640", "name": "BlackBerry Z30", "width": 360, "height": 640},
  {"key": "384x640", "name": "Google Nexus 4", "width": 384, "height": 640},
  {"key": "360x640", "name": "Google Nexus 5", "width": 360, "height": 640},
  {"key": "320x533", "name": "Google Nexus S", "width": 320, "height": 533},
  {"key": "320x533", "name": "HTC Evo, Touch HD, Desire HD, Desire", "width": 320, "height": 533},
  {"key": "360x640", "name": "HTC One X, EVO LTE", "width": 360, "height": 640},
  {"key": "360x640", "name": "HTC Sensation, Evo 3D", "width": 360, "height": 640},
  {"key": "320x533", "name": "LG Optimus 2X, Optimus 3D, Optimus Black", "width": 320, "height": 533},
  {"key": "384x640", "name": "LG Optimus G", "width": 384, "height": 640},
  {"key": "424x753", "name": "LG Optimus LTE, Optimus 4X HD", "width": 424, "height": 753},
  {"key": "213x320", "name": "LG Optimus One", "width": 213, "height": 320},
  {"key": "320x569", "name": "Motorola Defy, Droid, Droid X, Milestone", "width": 320, "height": 569},
  {"key": "540x960", "name": "Motorola Droid 3, Droid 4, Droid Razr, Atrix 4G, Atrix 2", "width": 540, "height": 960},
  {"key": "720x1280", "name": "Motorola Droid Razr HD", "width": 720, "height": 1280},
  {"key": "360x640", "name": "Nokia C5, C6, C7, N97, N8, X7", "width": 360, "height": 640},
  {"key": "320x533", "name": "Nokia Lumia 7X0, Lumia 8XX, Lumia 900, N800, N810, N900", "width": 320, "height": 533},
  {"key": "360x640", "name": "Samsung Galaxy Note 3", "width": 360, "height": 640},
  {"key": "360x640", "name": "Samsung Galaxy Note II", "width": 360, "height": 640},
  {"key": "400x640", "name": "Samsung Galaxy Note", "width": 400, "height": 640},
  {"key": "360x640", "name": "Samsung Galaxy S III, Galaxy Nexus", "width": 360, "height": 640},
  {"key": "320x533", "name": "Samsung Galaxy S, S II, W", "width": 320, "height": 533},
  {"key": "360x640", "name": "Samsung Galaxy S4", "width": 360, "height": 640},
  {"key": "360x640", "name": "Sony Xperia S, Ion", "width": 360, "height": 640},
  {"key": "480x854", "name": "Sony Xperia Sola, U", "width": 480, "height": 854},
  {"key": "360x640", "name": "Sony Xperia Z, Z1", "width": 360, "height": 640},
  {"key": "1920x1200", "name": "Amazon Kindle Fire HDX 7″", "width": 1920, "height": 1200},
  {"key": "2560x1600", "name": "Amazon Kindle Fire HDX 8.9″", "width": 2560, "height": 1600},
  {"key": "1024x600", "name": "Amazon Kindle Fire (First Generation)", "width": 1024, "height": 600},
  {"key": "1024x768", "name": "Apple iPad 1 / 2 / iPad Mini", "width": 1024, "height": 768},
  {"key": "1024x768", "name": "Apple iPad 3 / 4", "width": 1024, "height": 768},
  {"key": "1024x600", "name": "BlackBerry PlayBook", "width": 1024, "height": 600},
  {"key": "1280x800", "name": "Google Nexus 10", "width": 1280, "height": 800},
  {"key": "960x600", "name": "Google Nexus 7 2", "width": 960, "height": 600},
  {"key": "966x604", "name": "Google Nexus 7", "width": 966, "height": 604},
  {"key": "1280x800", "name": "Motorola Xoom, Xyboard", "width": 1280, "height": 800},
  {"key": "1280x800", "name": "Samsung Galaxy Tab 7.7, 8.9, 10.1", "width": 1280, "height": 800},
  {"key": "1024x600", "name": "Samsung Galaxy Tab", "width": 1024, "height": 600},
  {"key": "1280x950", "name": "Notebook with touch", "width": 1280, "height": 950},
  {"key": "1440x900", "name": "Notebook with HiDPI screen", "width": 1440, "height": 900},
  {"key": "1280x800", "name": "Generic notebook", "width": 1280, "height": 800}
]

What is this?

A list of presets to use in Firefox dev tools Responsive Mode (Ctrl+Shift+M or ⌥+⌘+M).
This method is discussed on the mozilla support forum and you can find a lot of other lists online.

How to use it

Go to about:config with firefox. Search for the devtools.responsiveUI.presets preference. If doesn't exist, create it.
In the value field copy&paste the above list.

Credits

This list was taken from Chromium OverridesUI.js file (so the order is not alphabetical but phone, tablet, notebook).