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Free Amazon Keyword Generator

Generate primary keywords, long-tail search terms, a ready-to-paste backend search terms string, and negative keywords for your Amazon listing. No account needed. Powered by ListingRVA AI.

Primary Keywords Long-tail Terms Backend Search Terms Negative Keywords

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4 Amazon keyword strategies that improve A9 ranking

1

Put your highest-volume keyword in the first 5 words of your title

Amazon's A9 algorithm gives the most weight to keywords placed at the start of your title. The title is also the first thing a shopper reads. Your primary keyword — the one with the most search volume and buyer intent — should appear in the first 3-5 words.

2

Backend search terms index words your visible listing can't include

Use backend search terms (Seller Central > Product Details > Search Terms) for synonyms, alternate spellings, misspellings, and international variants that would clutter your title or bullets. These are invisible to buyers but fully indexed by A9.

3

Long-tail keywords convert better despite lower search volume

A buyer who searches "stainless steel insulated water bottle 32oz wide mouth" is much further down the purchase funnel than someone searching "water bottle." Long-tail keywords have lower competition and dramatically higher conversion rates — use them in bullets and description.

4

Use negative keywords in Sponsored Products to stop wasting ad spend

If you run Amazon PPC, negative keywords are as important as target keywords. Add terms that attract irrelevant traffic (competitor brands you can't match on price, size variants you don't sell, use cases your product doesn't fit) to stop paying for clicks that won't convert.

Common questions about Amazon keywords

What are Amazon backend keywords?

Amazon backend keywords (also called search terms) are hidden keywords you enter in Seller Central that help Amazon index your listing for additional search queries without cluttering your visible listing. They are space-separated, limited to 250 characters total, and should not repeat words already in your title, bullets, or description.

How many backend search terms can I add on Amazon?

Amazon allows up to 250 bytes (roughly 250 characters) for backend search terms in most categories. Use space-separated terms — no commas, no repetition of words already in your listing, no competitor brand names, and no irrelevant keywords. Our generator outputs a ready-to-paste 250-character string.

How many free keyword sessions can I run?

You can run 3 free Amazon keyword research sessions per day with no account required. Each session gives you 5 primary keywords, 10 long-tail keywords, a backend search term string, and 5 negative keywords. Create a free ListingRVA AI account for unlimited research.

What is the Amazon A9 algorithm and why do keywords matter?

Amazon A9 is Amazon's product search algorithm. It ranks listings based on relevance (keyword match) and performance (conversion rate, sales velocity, reviews). Including the right keywords in your title, bullets, description, and backend search terms helps A9 understand what your product is and show it to the right shoppers.

What are negative keywords on Amazon and why should I use them?

Negative keywords on Amazon are used in Sponsored Products campaigns to exclude irrelevant search terms that drain your ad budget without converting. For example, a premium leather wallet seller might add "fake", "cheap", or "vegan" as negative keywords to avoid impressions from shoppers looking for something different.

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