Latest Version:
0.0.6.0 Updated:
2 months ago
Ready to install?
CSPTool is available to install from Firefox Add-ons Store and for download from this page.
Available versions
You can find the current and older versions of CSPTool 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 |
|---|---|---|---|---|
| 0.0.6.0 | XPI · ZIP · Source code | 327.59KB | 0 | 2026-04-23 |
| 0.0.5.0 | XPI · ZIP · Source code | 335.87KB | 0 | 2026-04-21 |
0.0.6.0 327.59KB
0.0.5.0 335.87KB
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 CSPTool ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the CSPTool ZIP file from step 1. CSPTool is now installed on your browser.
Best CSPTool Alternatives
Here are some Firefox add-ons that are similar to CSPTool:
CSP Checker
BJ88
CSP Tester
oxdef
CSP Content Security Policy Generator
RapidSec
Content Security Policy (CSP) Generator
Csper
CSP Evaluator ext
csp-evaluator-ext
CSP Evaluator
Hacks and Hops
CSP Unblock
Balvin
CSP Bypass For Testing
Developer
Quick CSP - Whitelist Generator
Xtendo Tech
Laboratory (Content Security Policy / CSP Toolkit)
April King
Disable CSP for a minute
python273
CSPBlocker
Jeurissen Apps