# HailBytes Engineering Toolkit

> Professional network, security, and cloud engineering toolkit. Subnet calculator, IP converter, hash generator, JWT decoder, firewall ACL generator, and 15+ tools. All calculations run locally — privacy first.

Canonical page: [https://chrome-stats.com/d/hailbytes-engineering-toolkit](https://chrome-stats.com/d/hailbytes-engineering-toolkit)

## Overview

- **ID:** `hailbytes-engineering-toolkit`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lost Rabbit Digital
- **Category:** web-development,privacy-security,search-tools
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.3
- **Last updated:** 2026-04-05
- **First published:** 2025-08-20
- **Size:** 77 KB
- **Data as of:** 2026-10-02
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hailbytes-engineering-toolkit/)
- **Website:** [https://hailbytes.github.io/EngineeringToolkit/privacy-policy.html](https://hailbytes.github.io/EngineeringToolkit/privacy-policy.html)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/hailbytes-engineering-toolkit/privacy/](https://addons.mozilla.org/firefox/addon/hailbytes-engineering-toolkit/privacy/)

## Description

HailBytes Engineering Toolkit is a comprehensive extension for network engineers, security professionals, and cloud architects.

Every calculation runs locally in your browser. No data is transmitted anywhere.

Free Tools:
Subnet Calculator (CIDR notation, host ranges, subnet masks)
IP Address Converter (decimal, binary, hex, class, RFC 1918)
Password Strength Checker (scoring and suggestions)
Base64 Encoder/Decoder
URL Parser (protocol, host, path, query params)
Epoch Timestamp Converter
AWS Cost Estimator

Pro Tools ($2.99/month):
VLSM Calculator
Bandwidth Calculator
DNS Record Reference (10 record types)
CIDR Range Expander
Hash Generator (SHA-256, SHA-1, MD5)
Common Ports Reference (55+ ports)
JWT Decoder
Security Headers Generator (CSP, HSTS, X-Frame-Options)
Network ACL Generator (Cisco IOS, iptables, AWS SG, nftables)
Multi-Cloud Resources (AWS, Azure, GCP)
Kubernetes Resource Calculator

Why this toolkit?
Privacy-first: zero network requests for calculations
Manifest V3 built for modern browsers
Designed by engineers for daily workflows
Source: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/a7c97cabb860fd14a942f9154778e5695ba21d5c914d9050aa8be1b28f1fb82a/https%3A//github.com/hailbytes/engineeringtoolkit" rel="nofollow">https://github.com/hailbytes/engineeringtoolkit</a>

## Rankings

- #81,715 — Overall

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `contextMenus`
- `alarms`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension support email may not be valid

> 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/hailbytes-engineering-toolkit)