VajraX — Network Security Toolkit
⚡ v1.0.0 — Now Available on Android
↓ Download APK — Free Explore Tools →
6
Modules
29
Tools
600+
Ports
500+
RFCs
100%
Offline
0
Tracking
0
Root Needed
3 MB
APK Size
// Why VajraX

Built different.
Works everywhere.

Other network tools are feature-locked, cloud-dependent, or bloated. VajraX is the professional toolkit that respects your time and your data.

Capability🔒 Typical Network App⚡ VajraX
Works without internet⚠ Partial✓ Always
No account required✗ Login required✓ Zero signup
No analytics or tracking✗ Tracked✓ Zero telemetry
No paywalled features✗ Pro tier needed✓ All 29 tools free
CCNP/CCIE-depth accuracy⚠ Basic only✓ RFC-verified
Export to PDF / CSV / JSON✗ Cloud export✓ On-device
Minimum Android versionAndroid 10+✓ Android 8.0+
No root required⚠ Some tools✓ Always
// Features

Everything you need.
Nothing you don’t.

🔌
29 Professional Tools

VLSM, IPv6, MTU, ACL, SSL, VLAN, Zero Trust, and more — all free, no paywalls, no accounts.

📡
Live Network Diagnostics

Network Scanner, DNS Lookup, Ping & Traceroute, and SSL Inspector with real-time results.

📄
Export to PDF / CSV / JSON

Generate professional reports on-device. Share with clients or teams instantly, no cloud needed.

📚
600+ Ports · 500+ RFCs

Complete offline reference: port database with CVEs, RFC index, protocol cheat sheets, cable guides.

🛡
Security-First Design

Compliance Checker for PCI-DSS, NIST, HIPAA, ISO 27001. Zero Trust Validator against NIST SP 800-207.

🔍
Universal Search

Find any tool in milliseconds. Search by plain English: “assign IP”, “block traffic”, “ospf cost”.

// Screenshots

Precision UI.
Built for the field.

Dark-first Material Design 3. Optimized for one-handed use in the field.

VajraX
v1.0.0 — Network · Security · Toolkit
✓ Healthy · Online ⚙
🔍 Search tools: 'assign IP', 'ospf'...
💻
Professional Mode
Show raw bit operations
System Health
All systems operational
Last checked: 2026-06-22 00:07:59
Quick Launch
🌐
Subnet Hub
🔤
VLSM Planner
🔷
IPv6 Suite
📡
Port Refer..
🔍
MAC Lookup
🌎
DNS Lookup
Home · Quick Launch
🔧
The Armory
Reference databases: cables, OUI/MAC, ports & CVEs
📋
Cable Guide
T568A/B pinouts, crossover, rollover, category specs...
📡
MAC / OUI Lookup
Identify vendor from MAC, detect randomized MACs...
☰
Port Reference
300+ ports, service names, RFCs, risk ratings...
📄
Field Options
T568A/B pinout, cable categories, subnet quick-ref...
⧉
Protocol Cheat Sheet
TCP flags · ICMP types/codes · EtherType values...
All tools work offline
The Armory is static — no network required. Data bundled with app.
Armory · Reference Database
🖌
Command Center
Live diagnostics: scan, DNS, ping, SSL, config diff
📡
Network Scanner
Discover live hosts on subnet...
📶
🔀
DNS Lookup
A, AAAA, MX, NS, CNAME, TXT, PTR...
📶
🔌
Ping & Connectivity
ICMP reachability, RTT, packet loss...
📶
🔒
SSL Inspector
TLS certs: expiry, cipher, issuer, SAN...
📶
⤮
Config Diff
LCS-based diff with risk assessment...
#
Hash Generator
MD5 · SHA-1 · SHA-256 · SHA-512...
Network tools require internet
Scanner, DNS, Ping & SSL send live packets or queries.
Command · Live Diagnostics
◣
Solutions
End-to-end design: CCTV, PoE, fiber, VLAN, ZeroTrust
📷
IP Camera Planner
Full CCTV: bandwidth, storage, NVR, PoE, VLAN...
💾
CCTV Storage Calc
Multi-camera storage, retention, TB estimate...
⚡
PoE Budget Planner
Switch PoE budget, wattage, utilization %...
🔱
Fiber Power Budget
Optical link budget, attenuation, splices...
🔃
VLAN Architect
VLAN scheme, switch configs, inter-VLAN routing...
✓
Compliance Checker
PCI-DSS, NIST CSF, ISO 27001, HIPAA, CIS...
🛡
Zero Trust Validator
8 NIST SP 800-207 ZTA principles, gap analysis...
Solutions · End-to-End Design
// All 29 Tools

Six modules.
Every tool you need.

From subnet planning to zero trust validation — organized into focused modules that match your workflow.

🏗
The Architect Engine
14 tools · Network design & IP calculation
  • VLSM Planner
  • Subnet Hub
  • Subnet Troubleshooter
  • Network ID Architect
  • Route Summarizer
  • IPv6 Suite
  • IP Converter
  • CIDR Cheat Sheet
  • Binary Heart
  • Reverse VLSM
  • MTU/MSS Planner
  • Bandwidth Calculator
  • ACL Generator
  • IPv6 PD Planner
⚙
Automate
3 tools · Config generation & protocol analysis
  • Universal Translator — Cisco ↔ Juniper ↔ Aruba
  • Protocol Lab — OSPF · EIGRP · BGP calculator
  • Tactical Manual — 500+ CLI command reference
🗃
Armory
5 tools · Reference library
  • Cable Wiring Guide — T568A/B, crossover, console
  • MAC OUI Lookup — vendor database
  • Port Reference — 600+ ports with CVEs
  • Infrastructure Field Guide
  • Protocol Cheat Sheets — IEEE 802.x, TCP/IP
📡
Command Center
6 tools · Live network diagnostics
  • Network Scanner
  • DNS Lookup — A, AAAA, MX, NS, TXT, PTR
  • Ping & Connectivity
  • SSL Inspector — TLS cert, cipher, SAN
  • Config Diff — LCS-based risk assessment
  • Hash Generator — MD5, SHA-1/256/512
🏢
Solutions
8 tools · End-to-end design
  • IP Camera Planner
  • CCTV Storage Calculator
  • PoE Budget Planner
  • Fiber Power Budget
  • VLAN Architect
  • Compliance Checker — PCI-DSS, NIST, HIPAA
  • Zero Trust Validator — NIST SP 800-207
  • Redundancy Planner — HSRP/VRRP
🏠
Home
Smart hub · Search & quick access
  • Universal Search — plain English queries
  • Quick Launch — 6 pinned tools
  • System Health Monitor
  • Professional Mode — raw bit operations
// Offline First

Works in a data center.
Works in a bunker.

22 of 29 tools are 100% offline. No cloud. No API keys. 7 tools optionally connect for live diagnostics — always your choice.

  • ⚡
    Instant — zero network calls
    Subnet calculations, IPv6, VLSM, ACL generation — all local, all instant.
  • ✈
    Airplane mode ready
    Works on a plane, in a secure facility, or anywhere with no connectivity.
  • 📦
    Everything bundled — 3 MB APK
    600+ ports, 500+ RFCs, cable pinouts, MAC database — all inside the APK.
vajrax — subnet hub
vajrax@offline:~ $ subnet 10.0.0.0/8 /24
Parent: 10.0.0.0/8 (Class A)
Prefix: /24 → 256 subnets
Hosts: 254 usable per subnet

vajrax@offline:~ $ vlsm 192.168.0.0/24
Dept A (50h) → /26 192.168.0.0
Dept B (25h) → /27 192.168.0.64
Dept C (10h) → /28 192.168.0.96
Efficiency: 96.1% • Waste: 3.9%

# No internet required. All local.
// Privacy by Design

Your data never leaves
your device.

No account. No analytics. No ads. No exceptions.

✓
No personal data collected or transmitted
✓
No analytics or crash reporting
✓
No account or login required
✓
All calculations run entirely on-device
✓
No root access required — ever
✓
Open source — audit the code yourself
// Compatibility & Install

Ready in under 60 seconds.

Device requirements
Min Android versionAndroid 8.0 (API 26)
Target SDKAndroid 14 (API 34)
APK size~3 MB
ArchitectureARM64 · ARM32 · x86_64
Root requiredNever
PermissionsInternet (optional)
Packagepro.netcalc.netcalcprime6
Install guide
1
Download the APK
Tap the Download button and save app-release.apk to your device.
2
Enable unknown sources
Settings → Security → Allow installation from unknown sources (or from your browser).
3
Install and launch
Open the APK, tap Install, and launch VajraX. All 29 tools are unlocked immediately.
// Changelog

What’s new in VajraX 1.0.0

v1.0.0
June 2026 · Initial Release
STABLE
// Core Engine
  • VLSM Planner with fragmentation heatmap
  • IPv6 Suite: EUI-64, subnetting, solicited-node multicast
  • IPv6 PD Planner (RFC 3769) with site/VLAN delegation
  • MTU/MSS: IPSec, GRE, VXLAN, WireGuard, PPPoE overhead
  • ACL Generator for Cisco IOS, NX-OS, Juniper JunOS
  • Route Summarizer with black-hole risk detection
  • BGP Community Attribute Calculator
// Security & Compliance
  • SSL Inspector: TLS chain, cipher grading, SAN, expiry
  • Compliance Checker: PCI-DSS, NIST CSF, ISO 27001, HIPAA, CIS
  • Zero Trust Validator: 8 NIST SP 800-207 ZTA principles
  • Hash Generator: MD5, SHA-1, SHA-256, SHA-512 + compare
  • Config Diff: LCS-based risk-scored diff engine
// Reference & QA
  • Port database: 600+ ports with service, RFC, CVE links
  • RFC index: 500+ entries, searchable offline
  • Protocol Cheat Sheets: IEEE 802.x, TCP/IP, OSI
  • All exports: PDF, JSON, CSV, Text with full inputs
  • 9 logic-layer bugs fixed before release
// Roadmap

What’s coming next.

v1.0.0
June 2026
CURRENT
Foundation Release
v1.1
Q3 2026
NEXT
More tools. More depth. Community-driven.
v2.0
2027
PLANNED
VajraX Platform. Cross-platform. More powerful.
⚡ v1.0.0 · Signed Release APK · 3 MB

Get VajraX
completely free.

No account. No credit card. No trial. Install and start working.

↓ Download APK from GitHub ★ Star on GitHub
Signed RSA-4096 Android 8.0+ (API 26+) 3 MB APK Open source
// Contact

Got a bug?
Got an idea?

VajraX is built by one engineer, used by many. Every bug report and feature request gets read. The best ideas ship in the next version.

✉
Email
pbr65.tech@gmail.com
🐛
Bug Reports & Feature Requests
GitHub Issues