Free Inventory & Business Tools
Calculators, generators & converters
Everything you need to manage inventory smarter — free barcode generator, SKU generator, EOQ calculator, safety stock calculator, FIFO/LIFO calculator, ABC analysis tool, and more. No account required.
Spreadsheets & Templates
1 toolDownload-ready formats for stock tracking, audits, and warehouse management.
Barcode & QR Tools
3 toolsGenerate and scan barcodes and QR codes for products, labels, and logistics.
Generate Code128, Code39, EAN-13, UPC-A, ITF-14, and GS1 barcodes instantly. Download as SVG or PNG for product labels, price tags, and shipping boxes.
Scan any barcode or QR code using your device's webcam. Supports 1D and 2D codes including Code128, EAN-13, QR, and Data Matrix. Ideal for quick product lookups.
Generate QR codes for product URLs, WiFi credentials, contact cards, and plain text. Download as PNG or SVG. Supports bulk generation for large product catalogs.
Product Identification
1 toolCreate and manage unique product identifiers for your catalog.
Inventory Value & Cost
3 toolsCalculate the financial value and cost of your stock accurately.
Add products with quantity and unit cost to compute total inventory value (closing stock value). Essential for balance sheets, audits, insurance claims, and financial planning.
Enter purchase batches and quantities sold to calculate COGS and ending inventory value under FIFO (First In First Out) or LIFO (Last In First Out) accounting methods.
Enter cost and selling price to instantly see gross profit, profit margin %, and markup %. Also find the right selling price to hit any target margin — works for any currency.
Inventory Planning Calculators
3 toolsOptimize stock levels, order quantities, and replenishment timing.
Calculate the Economic Order Quantity (EOQ) — the optimal order size that minimises total inventory costs. Enter annual demand, order cost, and holding cost to get the ideal reorder quantity.
Enter average daily sales and supplier lead time to find the exact stock level at which you must place a new order — so you never run out of inventory.
Calculate buffer stock needed to cover demand and supply variability. Enter max and average demand with lead time to find the right safety stock level for service targets.
Performance & Analysis
3 toolsMeasure stock efficiency, classify inventory, and identify slow-movers.
Calculate inventory turnover ratio and Days Inventory Outstanding (DIO) from COGS and average inventory. Know how efficiently your stock converts to sales vs. industry benchmarks.
Classify your inventory into A (high-value), B (medium-value), and C (low-value) categories using the Pareto principle. Paste your product list with sales data and get instant ABC classification.
Identify slow-moving and dead stock by entering products with purchase dates and current quantities. Generates an aging report bucketed into 0–30, 31–60, 61–90, and 90+ day brackets.
Unit & Measurement Tools
1 toolConvert between inventory units for accurate stock tracking.
What are these inventory tools?
This page is a collection of free, browser-based tools designed to help business owners, warehouse managers, retailers, and e-commerce sellers manage inventory without complex software. Whether you need to generate a barcode for a new product, calculate the economic order quantity for a supplier, or classify inventory using ABC analysis — every tool here runs instantly in your browser with no sign-up and no downloads.
The tools span the full inventory lifecycle: create product identifiers (SKU generator, barcode generator, QR code generator), value your stock (inventory value calculator, FIFO/LIFO calculator), plan replenishment (EOQ calculator, reorder point calculator, safety stock calculator), and analyse performance (stock turnover calculator, ABC analysis, inventory aging report).
How to use these tools
1. Choose the tool for your task
Browse by category — Barcode & QR Tools for label generation, Inventory Planning Calculators for order decisions, Performance & Analysis for efficiency tracking.
2. Enter your numbers or paste your data
Each tool has a simple form. Enter quantities, costs, demand figures, or paste a product list. No spreadsheet formulas needed.
3. Read the instant result
Results update in real-time. Copy the output, download a file (barcode/QR/spreadsheet), or use the figures in your inventory system.
4. Use My Inventory Items for ongoing management
For day-to-day inventory tracking across multiple locations, use My Inventory Items — it includes barcode scanning, reorder alerts, and GST invoicing built-in.
Who are these tools for?
Retailers & Shop Owners
Generate barcodes for new products, calculate profit margins, and run an inventory aging report to clear dead stock before it ties up cash.
Warehouse Managers
Use the EOQ and reorder point calculators to optimise purchase orders. The unit converter handles multi-unit SKUs across cartons, kg, and pieces.
E-commerce Sellers
Generate QR codes for product listings, create SKUs at scale with the bulk SKU generator, and track FIFO cost to report accurate COGS for taxes.
Pharmacy & FMCG
Download the pharmacy inventory spreadsheet template, calculate safety stock for seasonal demand spikes, and use ABC analysis to focus audits on high-value medicines.
Finance & Accounts Teams
Compute closing inventory value with the FIFO/LIFO calculator for balance sheets. Use the inventory turnover calculator to benchmark stock efficiency per quarter.
Small Business Owners
No inventory system yet? Start with the inventory spreadsheet template and the barcode generator to label products — then graduate to a full system when ready.
Frequently asked questions
Are these inventory tools free to use?
Yes. Every tool on this page is completely free — no account, no credit card, and no hidden paywalls. You can use them directly in your browser.
Do I need to install anything to use the barcode generator or scanner?
No installation needed. The barcode generator and barcode scanner run entirely in your browser. The scanner uses your device's webcam via the browser API — no app or plugin required.
What is the difference between EOQ and Reorder Point?
EOQ (Economic Order Quantity) tells you how much to order to minimise total inventory costs. The Reorder Point tells you when to place that order — i.e., the stock level that triggers a new purchase. Use both together for optimal inventory planning.
What is safety stock and how is it different from reorder point?
Safety stock is a buffer held to absorb unexpected demand spikes or supply delays. The reorder point includes safety stock: Reorder Point = (Average Daily Sales × Lead Time) + Safety Stock. Our Safety Stock Calculator and Reorder Point Calculator work together to give you both figures.
What is ABC analysis in inventory management?
ABC analysis classifies products into three groups: A items (top 20% of products, ~80% of revenue), B items (mid-tier), and C items (bottom 50% of products, ~5% of revenue). It helps prioritise stocking, reorder rules, and auditing effort.
What is FIFO and LIFO inventory costing?
FIFO (First In, First Out) assumes the oldest stock is sold first, resulting in lower COGS when prices rise. LIFO (Last In, First Out) assumes newest stock is sold first. FIFO is more common globally and required under IFRS. Our FIFO/LIFO Calculator shows COGS and ending inventory under both methods.
Can I use these tools on mobile?
Yes. All tools are fully responsive and work on mobile browsers. The barcode scanner uses your phone's rear camera for scanning.
Need more than a calculator?
My Inventory Items is a full inventory management platform with real-time stock tracking, barcode scanning, GST invoicing, reorder alerts, and multi-warehouse support — free to start, no credit card required.