# Canvas Course Wiper

> Bulk-delete assignments, modules, pages, files, discussions, announcements, and quizzes from a Canvas course you have instructor access to.

Canonical page: [https://chrome-stats.com/d/canvas-course-wiper](https://chrome-stats.com/d/canvas-course-wiper)

## Overview

- **ID:** `canvas-course-wiper`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Osman Sayginer
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-08-25
- **First published:** 2026-08-22
- **Size:** 31 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/canvas-course-wiper/)

## Description

Canvas Course Wiper helps instructors quickly clear out a course they have instructor-level access to, without clicking through and deleting dozens or hundreds of items one at a time.

From a course page, open the toolbar popup, choose which content types to remove (Assignments, Assignment Groups, Quizzes, Modules, Discussions, Announcements, Pages, and/or Files & Folders), type the course ID to confirm, and the extension deletes them using Canvas's own REST API calls under your existing logged-in session.

No API token, no external server, and no data ever leaves your browser. Deletion is permanent and cannot be undone, so it's strongly recommended to test on a sandbox course first.

Requires instructor (or equivalent) permissions on the target course. Works on any Canvas instance hosted on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f3e3787a6e17e392f050dbafaae214e022628948b5ed0d02afbc655f42c1f228/http%3A//instructure.com" rel="nofollow">instructure.com</a>.

## Rankings

- #110,744 — Overall
- #211 — course

## Permissions and access

### Permissions

- `activeTab`
- `scripting`

### Host permissions

- `*://*.instructure.com/*`

### Content script matches

- `*.instructure.com`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension was recently updated in the past month. New updates 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/canvas-course-wiper)