Keyword research
Live autocomplete ideas
Seed keyword to on-page ideas
Free Seller Tools
Use free tools for the task in front of you.
Pick the Amazon selling task you need to solve right now, start with a real on-page tool flow, and move into the broader Tool4seller workflow only when you need more than a one-off answer.
- Keyword research
- Reverse ASIN task
- Profit estimation
Start from one task
Public tool flowkeyword, ASIN, or profit check
Reverse ASIN task
Demo ASIN result rows
Archived keyword, rank, and PPC columns
Profit estimation
ASIN seed + manual mode
Fees, total cost, and net profit
Find the right tool by task
Filter by the specific Amazon selling task you need to solve right now.
Task entry
Keyword Research
Search Amazon autocomplete ideas before you optimize a listing or ad plan.
Use Tool
Task entry
Reverse ASIN
Inspect archived demo-ASIN keyword rows when you want an ASIN-led research step.
Use Tool
Task entry
Search Term Lookup
Keep the ASIN-led search-term task visible before the signed-in lookup continues inside Tool4seller.
Use Tool
Task entry
Profit Estimation
Estimate fees, total cost, and net profit before you price or source a product.
Use Tool
Start with a focused tool
01
KEYWORDFree Keyword Tool
Search Amazon autocomplete ideas on-page, then continue into Tool4seller for deeper search-volume and trend follow-up.
Best for: Start with a seed keyword when you want a fast keyword-research starting point.
02
ASINReverse ASIN Keyword
Load archived demo ASIN keyword rows on-page, then continue inside Tool4seller for your own ASIN lookups.
Best for: Start from a known ASIN when you want keyword, rank, volume, and PPC context in one place.
03
ASINAmazon Search Term Lookup
Start from a marketplace and ASIN when you want a search-term lookup shell before continuing into Tool4seller for the full gated result set.
Best for: Use an ASIN-led search-term entry when the next step is backend keyword discovery and listing follow-up.
04
PROFITFBA Profit Calculator
Search a child ASIN or switch to manual input to estimate fees, costs, and net profit on-page.
Best for: Check margin assumptions before you price, source, or compare FBA and FBM scenarios.
Browser Extensions
Install the browser-side workflows when you need product research or email automation directly inside the Amazon experience.
Extension
Product Research Extension
Install the browser-side product research workflow when you need listing, keyword, and profit context directly on Amazon marketplace pages.
Best for: Amazon marketplace front-end product and listing research.
Explore ExtensionExtension
Email Automation Extension
Install the seller-side email automation workflow when you need review-request execution and follow-up support inside Seller Central.
Best for: Amazon Seller Central review-request and email-automation workflows.
Explore ExtensionWhy start here
Task-first entry
Choose the tool that matches the job in front of you instead of digging through product navigation first.
Truthful public scope
Each card sets expectations around what you can use on-page now and what continues inside Tool4seller later.
Clear next-step paths
Move from a one-off keyword, ASIN, or profit check into the broader workflow only when you need deeper analysis.
Need more than a one-off answer?
Use the free tools for keyword ideas, demo-ASIN research, and profit checks first. When you need ongoing store analytics, ad optimization, and workflow support, continue into the full Tool4seller product.