Download Spector.js (current and past versions) for Firefox
Latest Version:
0.9.28 Updated:
4 years ago
Ready to install?
Spector.js is available to install from Firefox Add-ons Store and for download from this page.
1,175
Daily users
18 ratings
0
Total downloads
Available versions
You can find the current and older versions of Spector.js 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 |
|---|---|---|---|---|
| 0.9.28 | XPI · ZIP · Source code | 366.37KB | 0 | 2022-08-01 |
0.9.28 366.37KB
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 Spector.js ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Spector.js ZIP file from step 1. Spector.js is now installed on your browser.
Best Spector.js Alternatives
Here are some Firefox add-ons that are similar to Spector.js:
WebGPU Inspector
brendan-duncan
Specter-dev
Setu Kathawate
Specter — design inspector
Eni
Excalibur Dev Tools
Erik Onarheim
Three.js Developer Tools
Jordan Santell
PixiJS Devtools
Bob Fanger
FicusJS devtools
Ficus
Svelte Reactive Debugger
unlocomqx
DevScope - Developer Diagnostics
POLPROG
Tinker Tester Developer Spy
Thomas Wisniewski
JavaScript Viewer
William Nguyen
Show Data Variables
onii.com