Download simplecrimson (current and past versions) for Firefox
Latest Version:
2.0 Updated:
7 years ago
Ready to install?
simplecrimson 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 simplecrimson 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 |
|---|---|---|---|---|
| 2.0 | XPI · ZIP · Source code | 747.06KB | 0 | 2019-05-13 |
2.0 747.06KB
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 simplecrimson ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the simplecrimson ZIP file from step 1. simplecrimson is now installed on your browser.
Best simplecrimson Alternatives
Here are some Firefox add-ons that are similar to simplecrimson:
CrimsonB
Sureal
Abstract Crimson
nighthawk13117
THE CRIMSON
Tazz677
simple red
anirac
simpleyred
Lestert
Crimson Red
Julie_The_Scrumptious_Cookie
crimson
TheHarvardCrimson
Simple Red
Firefox user 12842741
Red Crimson
Kotohime
Crimson Clean
Torchfrost
Smooth Crimson
Christopher So
SimpleRed
Cook-e