Marketing Miner is a web and API platform for search, website visibility, and AI assistant data.
Best Keyword Research Tools in 2026
For marketing research, keyword tools can help you explore search terms and evaluate the information available around them. Compared on search volume data, keyword difficulty, search intent data, and SERP analysis, the entries let you focus on different aspects of demand and search results. Competitor keywords and keyword results limits can shape how broadly you investigate ideas, while API access may matter if your…
Helium 10 is marketplace software for sellers using Amazon, Walmart, and TikTok Shop.
EHunt is a platform for Etsy product research and shop operations, available on the web, through an API, and as an extension.
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Keyword Revealer
Keyword Revealer is a web platform for SEO and Answer Engine Optimization.
Free planWeb7.4From $19 a month - 5

Serpvox
Serpvox is a web-based keyword research tool for SEO specialists, digital marketers, content creators, web agencies, and e-commerce owners.
Free planWebAPI7.3From €158 a year - 6
CanIRank
CanIRank is web-based SEO software for keyword research, rank tracking, backlink analysis, and competitor research.
Free planWeb7.1From $49 a month - 7

Keyword Tool
Keyword Tool generates long-tail keyword suggestions from autocomplete when given a seed term.
Free planWebAPI7.0From $68 a month - 8

QuestionDB
QuestionDB is a web-based question database and SEO toolkit for developing content ideas.
Free planWeb6.9From $9.99 a month - 9
MerchantWords
MerchantWords provides Amazon keyword research tools, search-volume estimates, competitive analysis and related e-commerce optimization services.
Free planWebAPI6.8From $35 a month - 10
ScrapeBox
ScrapeBox is desktop SEO and marketing software for URL harvesting, competitor research, link building, site audits, and list filtering.
macOSWindows6.8 - 11
SellerApp
SellerApp is an e-commerce intelligence platform for Amazon sellers, with tools for product discovery, keyword research, listing work, and advertising.
Free planWebAPIExtension6.8From $99 a month - 12

eRank
eRank offers Etsy sellers tools to research keywords, inspect competitors, track trends, and improve shop listings.
Free planWebExtension6.7From $65.99 a year - 13

Keyword Discovery
Keyword Discovery compiles search statistics and phrases people use to find products and services, including terms that bring traffic to competitors.
Free planWebAPI6.7From $499.95 a year - 14

Keyword Tool Dominator
Keyword Tool Dominator finds live autocomplete phrases across search engines and marketplaces, then scores them with Popularity Score and Hot Keywords.
Free planWebExtension6.7$4.99 one-time - 15

Twinword Ideas
Twinword Ideas is a web-based AI keyword research tool for finding and organizing terms for content.
Free planWeb6.7From $18 a month - 16
6.5From $12 a month - 17

Keyword Cupid
Keyword Cupid is a web platform for SEO professionals, agencies, and content teams to group keywords by search intent.
Web6.5From $9.99 a month - 18
Wordtracker
Wordtracker is a keyword research tool for finding search terms and improving search rankings.
WebAPIExtension6.5From $17 a year - 19
AMZ Tracker
AMZ Tracker is web and browser-extension software for Amazon sellers monitoring product rankings and listing performance.
WebExtension6.4From $500 a year - 20

Keyword Chef
Web6.4 - 21
Keyword Insights
Keyword Insights is a keyword research and content tool from Keyword Insights, a company founded in 2020 and based in Stourbridge, England.
WebAPI6.4From $58 a month - 22

Bing Webmaster Tools
Bing Webmaster Tools is a free web and API service for examining a site’s visibility in Bing search results.
Free planWebAPI6.3Free plan - 23

Data Dive
WebAPIExtension6.3From $32 a month - 24

Marmalead
WebExtension6.3From $190 a year - 25

Google Keyword Planner
Google Keyword Planner is a free tool for researching keywords for Search campaigns and estimating search volume and advertising costs.
Free planWebAPI6.2Free plan

