# FileExt

> Look up file extensions and their descriptions in this comprehensive database. Lightweight, offline, and privacy-safe.

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

## Overview

- **ID:** `fileext`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Libor Benes (Dr. B)
- **Category:** web-development,privacy-security,search-tools
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-10-01
- **First published:** 2025-09-28
- **Size:** 35 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/fileext/)
- **Website:** [https://www.linkedin.com/in/LiborBenes](https://www.linkedin.com/in/LiborBenes)

## Description

Features:
• Instant search: type an extension (e.g., .pdf, .docx) or any keyword.
• Comprehensive: extensions across all domains (documents, images, source code, archives, executables, and more).
• Reliable reference: includes both common and rare extensions.
• Professional use: designed for developers, sysadmins, educators, and power users.
• Offline and fast: no internet queries, everything is in the packaged database.

Security and Privacy:
• No permissions beyond clipboard (optional).
• No data collection or telemetry.
• No risky features, no external code.
• Flat file structure, pure HTML/CSS/JS.

## Rankings

- #96,844 — Overall

## Permissions and access

### Permissions

- `clipboardWrite`

## Safety

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

### Analysis details

- Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
- This extension website URL may be invalid

> 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/fileext)