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Best Keyword Research Tools in 2026
Finding useful search terms starts with the questions you need to answer about them. Compare keyword difficulty and search volume data with search intent data, competitor keywords, and SERP analysis to see which research details matter for your work. Keyword results limits and API access are additional considerations, while free-plan availability and paid-from pricing can help you assess access and cost. EHunt, Keyword Revealer, and Keyword Tool are among the named options to compare, alongside Marketing Miner and QuestionDB. Consider whether you need broad keyword results, competitor insights, or a way to connect research through an API.
- 36 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
- 2
EHunt
Free plan APIExtensionWebEHunt combines Etsy research, competitor tracking, listing tools and shop operations, with a free account and several paid plans.
- 3
Helium 10
Free plan AndroidExtensioniPhone+1Helium 10 covers marketplace reporting and seller workflows, with plan allowances that scale from limited free access to enterprise volumes.
- 4
AnswerThePublic
by AnswerThePublicFree plan APIWebAnswerThePublic combines question discovery, monitoring, AI content tools, and exports in a freemium service. API users need a qualifying paid subscription and workspace opt-in.
- 5
Bing Webmaster Tools
Free plan APIWebBing Webmaster Tools combines search reporting, site checks, and backlink analysis without a listed plan charge.
- 6
eRank
Free plan ExtensionWebeRank brings keyword research, competitor analysis, trend data, and listing checks together for Etsy sellers.
- 7
Google Keyword Planner
Free plan APIWebChoose Google Keyword Planner if you need keyword ideas and Search campaign estimates in a free tool. It can also forecast outcomes from planned spend.
- 8
Marketing Miner
by Marketing MinerFree plan AndroidAPIiPhone+1Marketing Miner combines keyword research, competitor analysis, rank tracking, and SEO audits with AI visibility tracking.
- 9
Bulk Keyword Generator
Free plan WebChoose Bulk Keyword Generator if you need free local keyword phrases assembled from business, service, and location inputs.
- 10
CanIRank
Free plan WebCanIRank provides SEO research and tracking with report and website allowances that increase by plan. Compare those quotas with the number of sites and monthly link opportunities you need.
- 11
Keyword Discovery
Free plan APIWebKeyword Discovery combines keyword research tools with regional databases, project organization, and XML API access.
- 12
KWFinder
Free plan APIExtensionWebKWFinder combines keyword and competitor research with location coverage, historical volumes, and an API.
- 13
Keyword Sheeter
Free plan APIWebKeyword Sheeter combines broad idea generation with planning, metrics, SERP data, and API access.
- 14
Keyword Tool
Free plan APIWebKeyword Tool offers no-account autocomplete suggestions and broader metrics through paid plans. Keep the modeled estimates and shared daily request pool in mind when selecting a plan.
- 15
Keyword.io
by Keyword.ioFree plan WebChoose Keyword.io for free autocomplete suggestions from a wide range of platforms, with keyword lists and export options.
- 16
Keyword Revealer
Free plan WebKeyword Revealer combines conventional SEO research and tracking with measures of citations in generative search.
- 17
Keyword Tool Dominator
Free plan ExtensionWebKeyword Tool Dominator offers a free entry point and a range of keyword research and content tools.
- 18
Marmalead
Free plan ExtensionWebMarmalead combines Etsy keyword research, listing guidance, seasonality data, and AI assistance. Its browser compatibility and subscription requirements matter when choosing how to use it.
- 19
MerchantWords
Free plan APIWebMerchantWords combines Amazon-focused keyword research, ASIN lookup, and daily ranking tracking with REST and MCP access.
- 20
SellerApp
Free plan APIExtensionWeb - 21
QuestionDB
by QuestionDBFree plan WebQuestionDB combines question discovery, keyword metrics, and several ways to view or export results. Consider the monthly search allowance when choosing between the free and paid plans.
- 22
SERPTool
Free plan Self-hostedWebSERPTool focuses on live-SERP weakness analysis, scoring and bulk research, with self-hosting as an option.
- 23
Serpvox
Free plan APIWebSerpvox combines keyword signals, search-result analysis, related questions, and optional Search Console data.
- 24
SearchVolume.io
Free plan WebSearchVolume.io combines free keyword lookups with paid research features, credit allowances, and competitor analysis. Its plan choice depends on the monthly credit volume and SEO functions required.
- 25
ZonGuru
Free plan ExtensionWebChoose ZonGuru if your Amazon business needs listing scoring, content engineering, publishing, or monitoring alongside research tools.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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