Tools for e-commerce sellers
Everything sellers need.
Without another subscription.
Free tools for listings, pricing, profit, inventory, research, returns, analytics and more — built to make selling online simpler.
No signup • No subscription • Free access
The SellerStack promise
Built for sellers. Open to everyone.
SellerStack brings practical e-commerce utilities together in one place, so sellers can spend less time switching between tools and more time improving their business.
Free Access
Use available SellerStack tools without creating an account.
Seller Focused
Every tool should solve a real problem faced by online sellers.
One Growing Toolkit
New utilities and advanced tools will continue to be added based on seller needs.
Built for wherever you sell.
- Amazon India
- Flipkart
- Meesho
- Myntra
- AJIO
- Nykaa
- Shopify
- WooCommerce
- Own Website / D2C
- Other marketplaces
Tools for sellers on these channels — no official integration, fee data or API connection is implied. SellerStack is an independent tool platform and is not affiliated with, endorsed by or sponsored by these marketplaces unless explicitly stated. Marketplace names and trademarks belong to their respective owners.
What you can do
One toolkit. Everyday seller problems.
Create Better Listings
Titles, descriptions, keywords, listing analysis and optimization utilities.
Know Your Real Profit
Understand product costs, marketplace fees, advertising expenses and margins.
Price Products Smarter
Calculate selling prices, discounts, bundles and break-even points.
Manage Inventory
Plan reorder points, stock cover and inventory requirements.
Understand Returns & RTO
Estimate return costs and understand their impact on profitability.
Research Products
Evaluate product opportunities using available seller data.
Analyze Performance
Work with orders, advertising reports, settlements and business metrics.
Manage Catalogs
Organize product information and prepare listing data efficiently.
Free tools
Useful tools. Completely free.
Quick utilities for everyday seller calculations, listings, inventory, shipping and business decisions.
Profit Calculator
Actual profit after product cost, shipping, packaging, fees, ads and other expenses.
Selling Price Calculator
The selling price you need to reach your target profit margin.
Marketplace Profit Calculator
Generic profit calculator with manual fees for any channel.
RTO Loss Calculator
Expected loss from return-to-origin orders.
Inventory Reorder Calculator
Stock remaining, days of cover, reorder point and reorder date.
GST Calculator
GST-inclusive and GST-exclusive amounts.
Volumetric Weight Calculator
Volumetric weight from dimensions and a configurable divisor.
Product Title Generator
Four distinct title options from your product facts, with counts.
Premium-level tools.
Free access.
Some seller capabilities normally require paid software. SellerStack is building advanced tools that sellers can access without another subscription.
Listing Builder
Turn product information into a complete marketplace-ready listing.
Listing Score
A transparent completeness and structure checklist for the title, bullets and description you paste.
Competitor Listing Analyzer
Compare your listing text with a competitor listing you paste.
Keyword Research
Discover relevant product keyword ideas, accurately labelled.
Settlement Analyzer
Reconcile settlement CSV files you supply.
Return & RTO Analyzer
Return, RTO and cancellation rates plus losses from your saved orders.
Inventory Forecast
Stock-out date, reorder date and quantity from sales history.
Profit Analytics
Product, SKU, status and monthly profit from your saved Order Profit Tracker orders.
"Open Tool" means the tool works today. "Tool Preview" means it is still being prepared.
Our story
Why we built SellerStack
Running an e-commerce business often means using different tools for different jobs — one for listings, another for profitability, another for keywords, inventory, advertising or analytics. The cost and complexity add up quickly, especially for new and growing sellers.
SellerStack is being built to bring practical seller tools into one accessible place. The goal is not to add more complexity — it is to remove it.
If a useful seller utility can be made accessible without forcing another subscription, we want to build it here.
Better tools shouldn't be the reason a small seller has higher costs.
SellerStack exists to make useful e-commerce utilities easier to access, understand and use.
How SellerStack helps
Built for every stage of selling
New Sellers
Understand pricing, fees, listings and basic profitability.
Growing Sellers
Improve listings, inventory planning and product economics.
Multi-Marketplace Sellers
Compare products and operations across multiple channels.
D2C Brands
Work with product pages, SEO, pricing, catalog data and profitability.
Marketplace Teams
Use focused utilities for repetitive seller operations.
Tool categories
Find tools by job.
How it works
Four steps. No account required.
Choose a tool
Enter your product or business data
Get the calculation, analysis or output
Use the result in your selling workflow
Request a tool
Paying for a seller tool you wish was free?
Tell us what tool or feature would make your e-commerce work easier. If it can genuinely help sellers, we'll review it for SellerStack.
Your request helps shape what we build next.
Free access
Why is SellerStack free?
SellerStack is being built around a simple idea: useful seller tools should be easier to access. Instead of putting every utility behind a subscription, we're making the platform openly available while we grow the toolkit and community.
In the future, SellerStack may support itself through relevant promotions, partnerships, advertising or other sustainable models. Our goal is to keep core seller utilities broadly accessible.
Is SellerStack free?
Yes. SellerStack tools currently available for use can be accessed without a paid subscription.
Do I need an account?
No. SellerStack currently does not require login or signup.
What are Premium Tools?
They are more advanced seller utilities. "Premium" describes the capability level, not a current payment requirement.
Which marketplaces does SellerStack support?
SellerStack is designed for sellers working across major marketplaces and independent online stores. Individual tool compatibility may vary.
Is SellerStack affiliated with Amazon, Flipkart, Meesho or other marketplaces?
No, unless explicitly stated. SellerStack is an independent platform.
Can I request a new tool?
Yes. Use Request a Tool and explain the seller problem you want solved.
Will every requested tool be built?
No guarantee. Requests are reviewed based on usefulness, feasibility and relevance to sellers.
Does SellerStack guarantee sales or marketplace rankings?
No. SellerStack provides utilities and analysis to support seller decisions; results depend on many external factors.
Open a tool. Get your answer. No signup.
A growing collection of practical tools for people who sell online.