Does The Chef's Knife work offline?
Yes. The Chef'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 Chef's Knife
Kitchen maths and references — no app required
Food & KitchenKnife 16 of 50
$39
One-time purchase · Instant download30-day money-back guarantee
$39
What it does
The Chef's Knife puts five essential kitchen utilities into a single HTML file. Scale recipes while preserving ratios, convert between culinary units, run multiple timers simultaneously, look up ingredient substitutions, and estimate nutrition from USDA data — all offline and splashproof on your tablet.
INCLUDED TOOLS — 5 TOTAL
\Recipe Scaler (Ratio Preserving)
\Culinary Unit Converter
\Timer Bank (Multiple Simultaneous)
\Ingredient Substitution Reference
\Nutrition Estimator (USDA Lite)
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.
Sovereignty as a Service
$39. Yours. Forever.
FREQUENTLY ASKED QUESTIONS
OTHER PRODUCTSIs The Chef's Knife a subscription?
No. The Chef's Knife is a one-time purchase of $39. No monthly fees, no renewals, no price increases.
What is included in The Chef's Knife?
The Chef's Knife bundles 5 food & kitchen tools into a single HTML file: Recipe Scaler (Ratio Preserving), Culinary Unit Converter, Timer Bank (Multiple Simultaneous), Ingredient Substitution Reference, Nutrition Estimator (USDA Lite).
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 Chef's Knife support?
Any modern browser — Chrome, Firefox, Safari, Edge — on Windows, macOS, Linux, ChromeOS, iOS, or Android. The same file works everywhere.
Sovereignty as a Service