Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of HailBytes Engineering Toolkit

HailBytes Engineering Toolkit by HailBytes

Professional network, security, and cloud engineering calculators. Subnet planning, password auditing, bandwidth calculations, and Kubernetes sizing tools for engineers.

0 (0 reviews)0 (0 reviews)
No UsersNo Users
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
About this extension
HailBytes Engineering Toolkit - Professional Network, Security & Cloud Calculators

Comprehensive calculation suite designed for network engineers, security professionals, and cloud architects. Eliminate workflow interruptions from switching between multiple calculator websites.

NETWORK TOOLS
- Subnet Calculator - Instant CIDR calculations with detailed network information including broadcast addresses, host ranges, and subnet masks
- VLSM Calculator (Pro) - Automated variable-length subnet allocation with department-based requirements and optimized IP space utilization
- Bandwidth Calculator (Pro) - Data transfer and capacity planning with overhead calculations and multiple unit conversions

SECURITY TOOLS
- Password Strength Analyzer - Enterprise-grade security assessment with detailed vulnerability analysis and improvement recommendations
- Hash Generator (Pro) - SHA-256, SHA-1, MD5 hash creation for file integrity verification and security auditing
- Port Reference (Pro) - Comprehensive port and service identification covering well-known, registered, and dynamic port ranges

CLOUD ENGINEERING
- AWS Cost Estimator - EC2 instance cost calculations with monthly and yearly projections for budget planning
- Multi-Cloud Resources (Pro) - AWS, Azure, GCP resource planning with service comparisons and optimization recommendations
- Kubernetes Calculator (Pro) - Cluster sizing and resource requirements with CPU, memory, and node recommendations including overhead calculations

PROFESSIONAL FEATURES
- All calculations performed locally for security compliance and data privacy
- Production-grade accuracy for enterprise environments and mission-critical infrastructure
- Optimized interface for daily engineering workflows with keyboard shortcuts and quick access
- No internet dependency for core calculations ensuring reliability in restricted environments
- Regular updates with new tools and capabilities based on community feedback
- Export functionality for documentation and reporting requirements
- Integration-ready results for use with other engineering tools and platforms

TARGET USERS AND USE CASES

Network Engineers:
- Subnet planning for enterprise network design and IP address management
- VLAN configuration and network segmentation planning
- Bandwidth capacity planning for WAN links and data center connections
- Network troubleshooting and documentation

Security Professionals:
- Password policy compliance and strength auditing
- Cryptographic hash verification for incident response
- Port scanning preparation and service identification
- Security assessment documentation and reporting

Cloud Architects:
- Multi-cloud cost optimization and budget forecasting
- Resource sizing for scalable infrastructure design
- Container orchestration planning and capacity management
- Migration planning and cost analysis

DevOps Engineers:
- Infrastructure as Code planning and validation
- Continuous integration pipeline resource allocation
- Monitoring and alerting threshold calculations
- Disaster recovery capacity planning

System Administrators:
- Daily operational calculations and quick reference
- Capacity planning for server and network resources
- Security compliance verification and auditing
- Documentation and change management support

PREMIUM SUBSCRIPTION BENEFITS
Advanced calculators with batch processing capabilities, detailed export options in multiple formats, priority customer support with direct access to engineering team via email and discord, early access to new features and tools, custom calculation templates for repeated workflows, and integration APIs for enterprise environments.

Monthly subscription model supports continued development, regular security updates, and responsive customer support. Subscription includes access to all premium features.

PRIVACY AND SECURITY
All calculations performed locally within your browser - no data transmitted to external servers. Network configurations, passwords, and sensitive calculations remain completely private. Extension operates in isolated environment with minimal permissions. Regular security audits and updates ensure continued protection of your data.

TECHNICAL SPECIFICATIONS
- Supports IPv4 and IPv6 calculations
- Handles CIDR notation from /1 to /32
- Password analysis includes entropy calculations and pattern detection
- Hash algorithms include industry-standard cryptographic functions
- Cloud cost calculations updated with current pricing models
- Kubernetes resource calculations include various container runtime scenarios

Built by HailBytes, a trusted provider of professional engineering tools and cloud security solutions. Our team includes certified network engineers, security professionals, and cloud architects who understand the daily challenges of technical infrastructure management.

Thousands of engineering professionals rely on HailBytes tools for accurate, efficient calculations that save time and reduce errors in critical infrastructure decisions.
Rated 0 by 0 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
0
4
0
3
0
2
0
1
0
No reviews yet
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
1.0.1
Size
73.84 kB
Last updated
a month ago (20 Aug 2025)
Related Categories
  • Web Development
  • Privacy & Security
  • Search Tools
Licence
Mozilla Public Licence 2.0
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Tags
  • anti malware
  • antivirus
  • container
  • download
  • password manager
  • privacy
  • search
  • security
  • user scripts
Add to collection
Report this add-on
Support this developer

The developer of this extension asks that you help support its continued development by making a small contribution.

Contribute now

More extensions by HailBytes
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike Licence v3.0 or any later version.