Does The Network Knife work offline?
Yes. The Network Knife is a single HTML file that runs entirely in your browser. No internet connection required after download. Your data never leaves your device.
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The Network Knife
Network engineering tools that work without a network
Code & TechKnife 02 of 50
$39
One-time purchase · Instant download30-day money-back guarantee
$39
What it does
The Network Knife packages six essential network engineering utilities into a single HTML file. Calculate subnets, plan VLSM allocations, inspect MAC addresses, convert IP addresses to binary, look up HTTP status codes, and reference well-known ports — all without an internet connection. Because the best network tools shouldn't require one.
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INCLUDED TOOLS — 6 TOTAL
\CIDR / Subnet Calculator
\IP Binary Viewer
\MAC Address Inspector
\VLSM Architect
\HTTP Status Code Reference
\Port Reference Table
USE CASE 01\Data Centre Subnet Planning
USE CASE 02\Home Network Troubleshooting
USE CASE 03\Enterprise Multi-Site Design
USE CASE 04\Security Audit & Forensics
USER'S GUIDE
Download PDFFull documentation with detailed instructions for every tool.
DELIVERYSingle HTML fileDownload instantly after purchase
PRIVACY100% localYour data never leaves your machine
OWNERSHIPOne-time purchaseNo subscription, no recurring fees
PRO TIP
The file works in any modern browser — Chrome, Firefox, Safari, Edge. Save it to a USB drive, email it to yourself, or keep it in your cloud storage. It will work anywhere, anytime, forever.
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$39. Yours. Forever.
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OTHER PRODUCTSIs The Network Knife a subscription?
No. The Network Knife is a one-time purchase of $39. No monthly fees, no renewals, no price increases.
What is included in The Network Knife?
The Network Knife bundles 6 code & tech tools into a single HTML file: CIDR / Subnet Calculator, IP Binary Viewer, MAC Address Inspector, VLSM Architect, HTTP Status Code Reference, Port Reference Table.
Where is my data stored?
Entirely in your browser's local storage. Nothing is uploaded, transmitted, or tracked. You can export your data as JSON at any time and import it on another device.
Which browsers and operating systems does The Network Knife support?
Any modern browser — Chrome, Firefox, Safari, Edge — on Windows, macOS, Linux, ChromeOS, iOS, or Android. The same file works everywhere.
Can I try The Network Knife before buying?
Yes. The interactive demo on this page is the full knife running in an iframe. Try every feature in your browser, no signup required.
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