Download PromptMaster: Universal AI Prompt Optimizer

Name: PromptMaster: Universal AI Prompt Optimizer
Author: Edu Olivares

By: Edu Olivares

Download PromptMaster: Universal AI Prompt Optimizer (current and past versions) for Firefox

Latest Version: 0.5.6 Updated: 2 days ago

Ready to install?

PromptMaster: Universal AI Prompt Optimizer is available to install from Firefox Add-ons Store and for download from this page.

View source code

Available versions

You can find the current and older versions of PromptMaster: Universal AI Prompt Optimizer 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
0.5.6	XPI · ZIP · Source code	2.36MB	0	2026-06-19

2026-06-19 · 0 downloads

XPI ZIP Source code

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 PromptMaster: Universal AI Prompt Optimizer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the PromptMaster: Universal AI Prompt Optimizer ZIP file from step 1. PromptMaster: Universal AI Prompt Optimizer is now installed on your browser.