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QR & WiFi
Popular QR tools
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Barcodes
Popular barcode tools
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Calculators
Business and pricing
Service stickersOil change and service reminders
Job costingThe true cost of a job
Recipe costCost per serving and plate
40% markupPrice from cost and margin
Lawn mowing priceWhat to charge per cut
All 16 business tools →
Freelance and gig
Day rate to hourlyTurn a day rate into hourly
Time cardHours worked, lunch breaks out
Billable hoursHours you can actually bill
Invoice generatorA free PDF invoice
Delivery app payDoorDash vs Uber Eats pay
All 4 freelance tools →
Construction
Joist spanMax span by lumber size
Mezzanine floorCost of a mezzanine
Loft conversionCost of an attic conversion
Grass seedSeed for your lawn size
Roofing screwsScrews for metal roofing
All 23 construction tools →
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QR and WiFi guides
WiFi QR format explained
WiFi password from a QR code
Invalid QR code, wait for WiFi
WiFi QR code not working
Check connection and try again
Scan a QR code on a laptop
QR code expired
No usable data found
Barcode guides
SKU vs UPC
UPC vs EAN-13
Do you need GS1 barcodes?
Barcode vs QR code
Business guides
Markup vs margin
ROI on marketing spend
Freelancer profit planning
Sod vs seed cost
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Free tools and guides for small business operators. Calculators, QR and barcode tools, and reports.

Guides

All Guides
Real Cost of Business Software: Hidden Fees and TCO Math
Freelancer Profit Planning: Beyond Hourly Rates
WiFi QR Code Format Explained (SSID, Password, WPA2 Example)
How to Find WiFi Password from QR Code (Mobile, Android & iPhone)
Free Dynamic QR Codes Without a Subscription (DIY)

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