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Free Amazon Tools & Calculators (No Login)

Quick, focused utilities to plan, launch, and scale.
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Beginner • Operations • Optimization • Inventory • PPC/Keywords • Fees
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Popular this month

IR

Inventory Reorder, Explained

Know when to reorder and how much, based on velocity & lead time.

EG

Ecom Growth Engine

Turn revenue goals into weekly action targets you can execute.

AF

Amazon Fees Quick Estimator

Estimate FBA + referral fees before deeper spreadsheets.

Tool bundles

Launch Toolkit

  • Product validation checklist
  • Backend Search Term Byte Counter
  • Duplicate Word Remover (PPC keywords cleanup)
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Ops Toolkit

  • Inventory Reorder Calculator
  • Amazon Fees Quick Estimator
  • Sales Goal Tracker
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GST

New

Focus Growth Framework Calculator
Calculate inclusive/exclusive GST with optional split view.
Market: IN/US
Units: pcs
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Guide

GST

New

GST Calculator For India
Calculate inclusive/exclusive GST with optional split view.
Market: IN/US
Units: pcs
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Guide

PD

New

Percentage & Discount Calculator
Fast % math for real-world pricing: simple discounts, stacked offers, and percentage change.
Market: IN/US
Units: pcs
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Guide

SG

New

Sales Goal Tracker
Set a revenue goal and product price to see how many units you need to sell.
Market: IN/US
Units: pcs
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Guide

DW

New

Duplicate Words Remover
Clean messy keyword lists—remove duplicates, fix casing/spaces, and copy a tidy list.
Market: IN/US
Units: pcs
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Guide

RM

New

Reverse Margin Calculator
Work backwards from price to a safe supplier cost—before you reach out.
Market: IN/US
Units: pcs
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Guide

IR

New

Operations
Inventory
Inventory Reorder Calculator
Know when to reorder and how much, based on sales velocity and lead time.
Market: IN/US
Units: pcs
Use Tool
Guide

Guides & How‑tos

Inventory Reorder, Explained

How to calculate lead time, buffer, and reorder points.
Read guide

Backend Keywords: Byte Limits

Why bytes matter more than characters in Amazon backend search.
Read guide

Clean Your PPC Keyword Lists

Remove duplicates, normalize case, and trim noise.
Read guide

Frequently Asked Questions

Do I need an account to use these tools?
No. All tools are free to use—no login required.
Are the results accurate?
They’re designed for practical planning. For exact fees, always confirm within Seller Central or the official calculators.
Can I change units or markets?
Many tools support units (cm/in) and markets (₹/$). We’re adding options based on feedback—tell us what you need.
Do you store my inputs?
No. Everything runs locally in your browser. Nothing is saved unless you export explicitly.
Can I export the results?
Some tools include export buttons (CSV/PNG). If you want a specific export, suggest it—we’ll prioritize popular requests.

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