By: Parker Harris Add-on
Download Developer Tools Advanced Max (current and past versions) for Firefox
Try xHeader →
Latest Version:
3.5.5 Updated:
7 days ago Removed
Ready to install?
Developer Tools Advanced Max is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of Developer Tools Advanced Max here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 3.5.5 | XPI · ZIP · Source code | 15.19KB | 0 | 2026-08-09 |
3.5.5 15.19KB
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Developer Tools Advanced Max ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Developer Tools Advanced Max ZIP file from step 1. Developer Tools Advanced Max is now installed on your browser.
Best Developer Tools Advanced Max Alternatives
Here are some Firefox add-ons that are similar to Developer Tools Advanced Max:
Developer Tools Advanced Pro
Emily Jones
Developer Tools Advanced Ultra
Jessica Williams
xDevTools - Developer Utilities
xDevTools
Dev Toolkit — 440+ Developer Tools
yurukusa
Web Developer Toolkit Plus
33WIN
Developer Toolkit
chuanyu
99Tools: Web Developer Toolkit
99Tools
DesignPlus Toolkit
Odom
DevSuite Pro
Softpulse Infotech
Website Inspector
Waliul Awal Taha
Portex — Developer Toolkit
Sajjad Yousefnia
StackOnlineTools: Your ultimate all-in-one toolbox
stackonlinetools.com