# TextGrade

> Grade the readability of any page — Flesch, SMOG and reading age

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

## Overview

- **ID:** `textgrade`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** AzimudDin
- **Daily users:** 28
- **Version:** 1.3.0
- **Last updated:** 2026-03-29
- **First published:** 2026-03-26
- **Size:** 14 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/textgrade/)

## Permissions and access

### Permissions

- `tabs`
- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension is not longer available in the store

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

## Similar extensions and apps

- [Readability](https://chrome-stats.com/d/readability) — 24 users
- [Text Grade](https://chrome-stats.com/d/text-grade) — 24 users
- [Read Score](https://chrome-stats.com/d/read-score) — 24 users
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- [Reading Level Meter](https://chrome-stats.com/d/reading-level-meter)
- [Readability Score](https://chrome-stats.com/d/readabilityscore)
- [FleschCalc](https://chrome-stats.com/d/fleschcalc) — 28 users
- [ReadEase: Readability Score Calculator](https://chrome-stats.com/d/readease-readability) — 1 users
- [Reading Level Detector](https://chrome-stats.com/d/reading-level-detector) — 1 users
- [Reading Speed Analyzer](https://chrome-stats.com/d/reading-speed-analyzer)
- [Text Density Analyzer](https://chrome-stats.com/d/text-density-analyzer)
- [Reading Time Estimator](https://chrome-stats.com/d/readingtimeestimator) — 2 users

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