Shopify apps and merchant tools

Attahir Labs

Focused Shopify apps and free calculators for merchants dealing with dead stock, import costs, shipping estimates, accessibility issues, expiry risk, store changes, and warranty workflows.

2 public appsStockClearance and TariffShield are live on Shopify.
3 free toolsDuty, shipping, and accessibility checks are usable now.
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What problem are you trying to solve?

Public appInventory

Inventory is sitting too long

Find dead stock, slow variants, and seasonal risk before weak SKUs turn into trapped cash.

Go to StockClearance
Public appMargins

Import costs are squeezing margin

Model tariff impact, compare sourcing scenarios, and protect pricing before landed costs surprise the catalog.

Go to TariffShield
Free tools

You need a quick check first

Estimate duties, shipping, or storefront accessibility before installing an app or changing a workflow.

Open free tools
Public Apps

Install the app that matches the current job.

StockClearance logo
Shopify App Store

StockClearance

Inventory review for Shopify merchants who need to identify aging products and act before markdown options get worse.

  • Dead-stock and slow-stock detection
  • Clearance and markdown action paths
  • Fallback scoring when order access is unavailable
TariffShield app icon
Shopify App Store

TariffShield

Tariff and landed-cost planning for merchants who need cleaner pricing decisions across products and sourcing scenarios.

  • Tariff impact modeling
  • Sourcing comparison scenarios
  • Product-level margin planning
Free Tools

Quick checks before you change a workflow.

Run one focused calculation or scan before you reprice, quote shipping, or adjust a storefront.

Package weighing desk with shipping paperwork for merchant cost planning
Import cost

Duty calculator

Estimate duties and landed-cost pressure before repricing or placing purchase orders.

Calculate duties
Fulfillment

Shipping calculator

Check retail shipping ranges by package size, destination, and delivery speed.

Estimate shipping
Accessibility

Accessibility checker

Run a WCAG-oriented storefront scan before fixing page or theme issues.

Check a storefront
Guides

Read the guide that matches the workflow.

Blog calls to action stay contextual: inventory posts point to StockClearance, tariff posts point to TariffShield, and future expiry/recall posts can point to ShelfLife once it is public.

Inventory

Dead-stock clearance guide

How to clear slow inventory before the next buying cycle makes it harder.

Read guide
Tariffs

Vietnam to US import duty

A practical guide for sourcing and margin planning.

Read guide
Expiry

Product expiry management

Batch, FEFO, waste, and supplier workflows for perishable inventory.

Read guide

Choose by problem, not by product name.

Use the app chooser for Shopify workflows, or use the free tools when you only need a quick calculation or storefront check.