# pencil.nu

> Sharpens Paper.nu and CAESAR with inline CTECs, seat counts, and faster term navigation.

Canonical page: [https://chrome-stats.com/d/pencil-nu](https://chrome-stats.com/d/pencil-nu)

## Overview

- **ID:** `pencil-nu`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kevin Wang
- **Category:** appearance
- **Daily users:** 31
- **Weekly downloads:** 1
- **Version:** 0.9.5
- **Last updated:** 2026-05-15
- **First published:** 2026-05-07
- **Size:** 1.26 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pencil-nu/)

## Description

Browse Northwestern's CAESAR faster with better defaults, data, and presentation. Full CTECs inlined into <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/8cc9b36e04a4b66c8e42a928834885719e93c582d97be2213b7e329aadf2e341/http%3A//paper.nu" rel="nofollow">paper.nu</a> — ratings, hour distributions, and student comments, right in the class drawer you already open. Plus seat counts in your CAESAR cart and one less click on every term selector. No new app to learn.

## Rankings

- #20,205 — Overall
- #81 — term
- #234 — student

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`

### Host permissions

- `https://caesar.ent.northwestern.edu/*`
- `https://www.paper.nu/*`
- `https://northwestern.bluera.com/*`
- `https://prd-nusso.it.northwestern.edu/*`
- `https://fed.it.northwestern.edu/*`
- `https://api-legacy.dilanxd.com/*`
- `https://cdn.dil.sh/*`

### Content script matches

- `caesar.ent.northwestern.edu`
- `www.paper.nu`

## 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 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/pencil-nu)