James Allman | JA Technology Solutions LLC
Retail & POS Tools
Tools for retail operations and point-of-sale systems (including grocery checkout). Generate and decode barcodes, parse SIL files, calculate margin and markup, run meat cutting tests, track shrink and waste, compare unit prices, look up PLU codes, plan case-pack orders, and work with the NRF 4-5-4 retail fiscal calendar. For perishable department operations specifically — meat cutting, produce rotation, deli recipe costing, seafood yields, floral turn — see Grocery & Fresh Departments.
Check Digit Validator
Validate and calculate check digits for UPC, EAN, credit cards (Luhn), and ABA routing numbers.
Data & FinanceBarcode Explorer
Generate, scan, and decode barcodes in 15+ formats. Camera scanning, image upload, batch detection, and CSV export.
Retail & POSMargin & Markup Calculator
Convert between margin %, markup %, cost, and selling price. Includes profit calculation and reference table.
Retail & POSRetail Fiscal Calendar (4-5-4)
Map any date to its NRF 4-5-4 retail fiscal year, quarter, period, and week number.
Retail & POSSIL File Explorer
Parse SIL (Standard Interchange Language) files into structured tables with CSV and JSON export.
Retail & POSEDI File Parser
Upload or paste any EDI file — parsed into labeled segments with export to CSV, JSON, and SIL.
Retail & POSEDI 810 Invoice Builder
Enter invoice details, paste a CSV, or import from QuickBooks — download a valid X12 EDI 810 invoice ready to submit to a trading partner.
Retail & POSEDI 850 Purchase Order Builder
Enter PO details, paste a CSV, or import from QuickBooks — download a valid X12 EDI 850 purchase order ready to send to a supplier.
Retail & POSEDI 856 Advance Ship Notice Builder
Build a valid X12 EDI 856 advance ship notice — nested HL shipment/order/item loops, carrier and BOL details, and one-click pre-fill from a prior 850.
Retail & POSEDI 855 Purchase Order Acknowledgment Builder
Paste the inbound 850 — the tool pre-fills every line as accepted, then you mark the ones that change quantity, price, or ship date, or reject the ones you can't fulfill.
Retail & POSGS1 Application Identifier Parser
Parse GS1-128 and DataMatrix Application Identifier strings into structured, human-readable fields with validation.
Retail & POSMeat Cutting Test Calculator
Calculate cutting test yields, cost allocation, and pass/fail against target yields for beef, pork, and poultry primals.
Retail & POSShrink & Waste Calculator
Calculate inventory shrink, known waste, COGS, and gross profit by department with industry benchmark comparison.
Retail & POSProduce Shrink & Rotation Calculator
Track produce lot aging by category shelf life, project shrink, and time markdowns optimally — lot-by-lot, not dollar totals.
Grocery & Fresh DepartmentsPrice-Per-Unit Comparator
Compare product prices normalized to a common unit across weight, volume, or count. Find the best value instantly.
Retail & POSPLU Code Lookup
Search all IFPS produce PLU codes by number or commodity name with organic code conversion and category filters.
Retail & POSCase Pack / Inner Pack Calculator
Calculate order quantities, days of supply, reorder points, and shelf facings from case pack and movement data.
Retail & POSDepartment Labor Scheduler
Calculate weekly labor hours and budgets by department from sales forecasts, labor targets, and hourly rates.
Retail & POSShelf Label Generator
Generate retail shelf labels with barcodes, unit pricing, sale and produce templates, and batch Avery sheet printing.
Retail & POSLarge Sign Generator
Create professional sale signs, endcap headers, and department markers with custom fonts, colors, layouts, and paper sizes.
Retail & POSAll tools run entirely in your browser. Your data never leaves your machine. Need help? Ask James.
Other Tool Categories
Data & Finance
Banking, accounting, healthcare, payments, and EDI file formats.
Grocery & Fresh Departments
Meat, produce, deli, bakery, seafood, and floral department math and operations.
Shipping & Logistics
Freight estimation, container loading, route optimization, and trade compliance.
Inventory & Warehouse
Reorder planning, cycle counting, warehouse slotting, and cost allocation.
Networking
Subnet math, MAC vendor lookup, email authentication, and WHOIS.
Development
Format converters, encoders, hashes, regex, JWT, SQL, and more.
IBM i & Mainframe
EBCDIC, packed decimal, COBOL copybook, DDS, BMS, and fixed-width.