# Smart Previewer

> This extension checks a content of a link instantly.

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

## Overview

- **ID:** `smart-previewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Soushi Atsumi
- **Category:** other
- **Daily users:** 5
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 2.2.0
- **Last updated:** 2022-09-18
- **First published:** 2018-12-30
- **Size:** 206 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/smart-previewer/)
- **Website:** [https://github.com/Soushi-Atsumi/SmartPreviewer\_Firefox](https://github.com/Soushi-Atsumi/SmartPreviewer_Firefox)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/smart-previewer/privacy/](https://addons.mozilla.org/firefox/addon/smart-previewer/privacy/)

## Description

Smart Previewer is a Firefox add-on that allows you to instantly preview the content of links including audio, images, pdf, and videos without the need to click on them. It supports a wide range of file types and even works with dynamically generated pages. The extension requires access to your data for all websites but the source codes are open to the public for transparency. Smart Previewer is also available on Microsoft Edge.

## Rankings

- #42,930 — Overall
- #94 — smart
- #105 — preview
- #106 — smartbook
- #126 — smart tool
- #134 — smartphone

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/smart-previewer)