Amazon Seller Tools
Free tools for Amazon sellers to check profit, estimate sales, tune PPC and write listings that follow the new 2026 title rules.
Amazon Seller ToolsAmazon Character CounterCheck titles against the new 75-character limit, banned characters, bullets and 249-byte search terms.Open tool 
Amazon Seller ToolsAmazon FBA CalculatorExact profit per unit, margin, ROI and break-even price after referral, FBA and storage fees.Open tool 
Amazon Seller ToolsAmazon BSR CalculatorEstimate daily and monthly sales and revenue from a Best Sellers Rank, or the rank you need.Open tool 
Amazon Seller ToolsACoS CalculatorACoS, ROAS, TACoS and break-even ACoS for Amazon PPC, with CPC and conversion rate.Open tool 
Amazon Seller ToolsAmazon Keyword Gap ToolFind the keywords competitor listings use that yours misses, and copy them as search terms.Open tool 
Amazon Seller ToolsAmazon Listing Attributes CheckerSee which attributes shoppers filter by are missing for your category, plus item highlights.Open tool Free tools for Amazon sellers
Everything you need to check a product idea, price it with all fees and write a listing that follows Amazon’s latest rules. All tools work for Amazon US, UK, Europe, India, UAE and Saudi Arabia, with your own currency.
- Amazon Character Counter: Check titles against the new 75-character limit, banned characters, bullets and 249-byte search terms.
- Amazon FBA Calculator: Exact profit per unit, margin, ROI and break-even price after referral, FBA and storage fees.
- Amazon BSR Calculator: Estimate daily and monthly sales and revenue from a Best Sellers Rank, or the rank you need.
- ACoS Calculator: ACoS, ROAS, TACoS and break-even ACoS for Amazon PPC, with CPC and conversion rate.
- Amazon Keyword Gap Tool: Find the keywords competitor listings use that yours misses, and copy them as search terms.
- Amazon Listing Attributes Checker: See which attributes shoppers filter by are missing for your category, plus item highlights.
Built for the 2026 listing rules
Since 27 July 2026 Amazon titles are limited to 75 characters in most categories, and a new 125-character item highlights field carries the extra detail. Use the character counter to trim titles, the keyword gap tool to move the right keywords into bullets and search terms, and the attributes checker to fill the details that search filters and Amazon’s AI read. Read the full guide: how to rewrite your titles for the 75-character limit.
Frequently asked questions
Are these Amazon seller tools free?
Yes. Every tool is free, needs no sign-up and runs in your browser, so your numbers and listings are not uploaded.
Do the tools work for Amazon UK, UAE, India and Saudi Arabia?
Yes. The calculators let you pick your currency and marketplace, and the listing tools work with any text you paste.
What is the new Amazon title limit?
From 27 July 2026 Amazon titles can be at most 75 characters, including spaces, in all categories except media. The Amazon character counter checks this for you.
Can I see real sales numbers for a product?
Amazon does not publish sales figures. The BSR calculator estimates sales from the Best Sellers Rank and shows a likely range.