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NETCUE Technology
NETCUE · 52 PROFESSIONAL UTILITIES

Precision Tools for
Network Engineers

No login. No limits. Open source spirit.

netcue-tools·v2.0·52 utilities loaded
$netcue --list-tools
→ Loading 52 precision utilities… Done.
$netcue --categories
→IP ·IPv6 ·DNS ·SEC ·DEV ·TXT ·REF
$netcue search
search:~$
filter:
$
Secure & PrivateFree ForeverFast & Responsive

IP Tools

12 tools available

IP

IPv4 Subnet Calculator

Calculate subnet masks, network ranges, broadcast, and host addresses

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IP

CIDR Calculator

Convert between CIDR notation and subnet masks

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IP

IP Range Calculator

Determine IP address ranges from start and end IPs

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IP

IPv4 to Decimal

Convert IPv4 addresses to decimal format

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IP

Decimal to IPv4

Convert decimal numbers to IPv4 addresses

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IP

IP Class Finder

Identify IP address class, type, and range

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IP

Private IP Checker

Check if an IP address is private or public

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IP

Broadcast Calculator

Calculate broadcast addresses for networks

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IP

IP to Binary

Convert IPv4 addresses to binary representation

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IP

Wildcard Mask Calculator

Calculate wildcard masks from subnet masks

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IP

Supernet Calculator

Calculate supernet routes for route summarization

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IP

My Public IP

Detect your public IP address instantly

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IPv6 Tools

6 tools available

IPv6

IPv6 Validator

Validate and verify IPv6 addresses

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IPv6

IPv6 Compress

Compress IPv6 addresses to shortest form

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IPv6

IPv6 Expand

Expand compressed IPv6 addresses

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IPv6

IPv6 to Binary

Convert IPv6 addresses to binary format

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IPv6

IPv6 Subnet Calculator

Calculate IPv6 subnets and address ranges

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IPv6

IPv4 to IPv6 Mapper

Map IPv4 addresses to IPv6 equivalents

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Beyond Tools: Enterprise Architecture

From RADIUS scaling to ZTNA implementation, we build the infrastructure that powers these utilities.

Talk to an Architect

DNS Tools

6 tools available

DNS

DNS Lookup

Query DNS records (A, AAAA, CNAME, NS, SOA, TXT) for any domain

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DNS

MX Record Lookup

Find mail exchange records for domains

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DNS

Reverse DNS Lookup

Resolve IP addresses to hostnames via PTR records

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DNS

TTL Checker

Check DNS record TTL values and propagation

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DNS

WHOIS Lookup

Query domain registration and ownership details

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DNS

SPF Record Checker

Validate SPF records for email authentication

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Security Tools

11 tools available

SEC

Password Generator

Generate strong, random passwords with custom options

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SEC

Password Strength Checker

Test password strength and get security feedback

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SEC

MD5 Hash Generator

Generate MD5 hash from text

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SEC

SHA1 Hash Generator

Generate SHA1 hash from text

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SEC

SHA256 Hash Generator

Generate SHA256 hash from text

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SEC

SHA512 Hash Generator

Generate SHA512 hash from text

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SEC

HMAC Generator

Generate HMAC signatures with custom keys

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SEC

JWT Decoder

Decode and inspect JSON Web Tokens

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SEC

UUID Generator

Generate unique UUIDs/GUIDs (v4)

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SEC

CORS Header Checker

Validate CORS headers for web security

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SEC

Random String Generator

Generate random strings of any length

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Developer Tools

9 tools available

DEV

JSON Formatter

Format and beautify JSON data

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DEV

JSON Validator

Validate JSON syntax and structure

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DEV

Base64 Encode/Decode

Encode and decode Base64 strings

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DEV

URL Encode/Decode

Encode and decode URL parameters

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DEV

Timestamp Converter

Convert Unix timestamps to human-readable dates

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DEV

Cron Expression Parser

Parse and explain cron schedule expressions

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DEV

Regex Tester

Test regular expressions with live matching

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DEV

HTTP Header Viewer

Inspect HTTP response headers for any URL

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DEV

Color Hex Converter

Convert between HEX, RGB, and HSL color formats

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Text Utilities

3 tools available

TXT

Word Counter

Count words, characters, sentences, and paragraphs

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TXT

Case Converter

Convert text between uppercase, lowercase, title case

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TXT

Text Difference Checker

Compare two texts and find differences

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Reference Tools

5 tools available

REF

Port Number Lookup

Search common port numbers and their services

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REF

HTTP Status Codes

Reference guide for all HTTP status codes

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REF

Lorem Ipsum Generator

Generate placeholder text for designs and mockups

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REF

Number Base Converter

Convert between binary, octal, decimal, and hex

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REF

MAC Address Lookup

Identify hardware vendor from MAC address OUI

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