# What-If GradeSpeed

> Allows for hypothetical calculation of grades for assignments in HISD's gradespeed portal.

Canonical page: [https://chrome-stats.com/d/what-if-gradespeed](https://chrome-stats.com/d/what-if-gradespeed)

## Overview

- **ID:** `what-if-gradespeed`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Owen Hines
- **Category:** appearance,other
- **Version:** 1.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-12-12
- **Size:** 41 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/what-if-gradespeed/)
- **Website:** [https://github.com/TheOdd/what-if-grades](https://github.com/TheOdd/what-if-grades)

## Description

What-If GradeSpeed is a Firefox add-on that acts as a tool to change and add hypothetical grades to your gradebook page. It updates the hypothetical average changes for your class based on the grades changed and their values.

## Rankings

- #132,474 — Overall

## Permissions and access

### Content script matches

- `parent.gradebook.houstonisd.org`
- `apps.houstonisd.org`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/what-if-gradespeed)