Does The Ham's Knife work offline?
Yes. The Ham's 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 Ham's Knife
Six amateur radio tools — offline, naturally
Radio & CommunicationsKnife 21 of 50
$39
One-time purchase · Instant download30-day money-back guarantee
$39
What it does
The Ham's Knife gives amateur radio operators six practical tools in a single HTML file. Look up Q-codes by category, spell callsigns with the NATO phonetic alphabet, train Morse code with interactive exercises and audio, browse band plans with filtering, report signal quality using RST codes, and calculate antenna dimensions for any frequency — all completely offline.
LIVE DEMO — TRY IT NOW
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INCLUDED TOOLS — 6 TOTAL
\Q-Code Reference
\Phonetic Alphabet Speller
\Morse Code Trainer
\Band Plan Reference
\RST Signal Reporter
\Antenna Calculator
USE CASE 01\SOTA Summit Activation
USE CASE 02\POTA Park Activation
USE CASE 03\CW Contest Prep
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.
EXPLORE THE HAM'S KNIFE
By Profession
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Problems This Solves
FREQUENTLY ASKED QUESTIONS
OTHER PRODUCTSIs The Ham's Knife a subscription?
No. The Ham's Knife is a one-time purchase of $39. No monthly fees, no renewals, no price increases.
What is included in The Ham's Knife?
The Ham's Knife bundles 6 radio & communications tools into a single HTML file: Q-Code Reference, Phonetic Alphabet Speller, Morse Code Trainer, Band Plan Reference, RST Signal Reporter, Antenna Calculator.
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 Ham's 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 Ham's 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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