# File Previewer

> Preview CSV, NPY, and ZIP files directly in your GitHub side panel without any external tools, and file download, along with theme support.

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

## Overview

- **ID:** `file-previewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jenil Prajapati
- **Category:** web-development,download-management,search-tools
- **Daily users:** 1
- **Version:** 1.0.1
- **Last updated:** 2026-01-02
- **First published:** 2025-12-29
- **Size:** 173 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/file-previewer/)
- **Website:** [https://github.com/jenil1236/FilePreviewer\_Extension-Issues](https://github.com/jenil1236/FilePreviewer_Extension-Issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/file-previewer/privacy/](https://addons.mozilla.org/firefox/addon/file-previewer/privacy/)

## Description

<strong>Stop downloading to view!</strong> 🚀

Preview <code>.npy</code>, <code>.zip</code>, &amp; <code>.csv</code> directly on GitHub.
<strong>Numpy:</strong> View data
<strong>Zip:</strong> Explore contents without extracting, download only what you need
<strong>Export:</strong> CSV to JSON
<strong>UI:</strong> Theme support
No data leaves your browser.

## Rankings

- #105,653 — Overall
- #176 — preview

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `scripting`
- `unlimitedStorage`

### Host permissions

- `https://github.com/*`
- `https://raw.githubusercontent.com/*`

### Content script matches

- `github.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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 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/file-previewer)