# Network Tools

> Network Tools, Calculators and Speed Test

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

## Overview

- **ID:** `com.kareller.networktools`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** KARELab
- **Category:** TOOLS
- **Downloads:** 16,602
- **Rating:** 3.33 / 5 (85 ratings)
- **Version:** 1.1.21
- **Last updated:** 2026-07-30
- **First published:** 2018-07-14
- **Publisher country:** TR
- **Size:** 5.06 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.kareller.networktools)
- **Website:** [https://fastdns.app](https://fastdns.app/)
- **Privacy policy:** [https://privacy-policy.fastdns.app/network-tools/privacy-policy.html](https://privacy-policy.fastdns.app/network-tools/privacy-policy.html)

## Description

**Network Tools** is a comprehensive Chrome extension designed for both everyday users and IT professionals to easily manage and troubleshoot their networks. It features a suite of free utilities including **Internet Speed Test**, **Wi-Fi browser**, **port tests**, **DNS queries**, **ping tests**, and **service monitoring**, making network analysis straightforward.

In addition, Network Tools provides powerful network and Wi-Fi calculation utilities such as **IPv4 and IPv6 calculators**, **loss of free space**, **power budget**, **system performance**, **Fresnel area calculators**, and unit converters like **mW to dBm**. The extension also offers a rich knowledge base with **modem login info**, **MAC vendor listings**, and **RJ45 cable wiring** guides, making it an all-in-one solution to optimize network performance and diagnostics.

## Rankings

- #465,532 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CHANGE_WIFI_MULTICAST_STATE`
- `android.permission.CHANGE_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.kareller.networktools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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