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Keyword Tool is a free online SEO tool focused on long-tail keyword research. It uses Google’s Autocomplete API to help users discover underexplored search terms, and provides search volume, CPC, and competition data through the public API from Keywords Everywhere.
Features and Use Cases: The tool is highly focused: expanding long-tail keyword ideas. After users enter a seed keyword, the system automatically generates a large number of related long-tail terms, along with monthly search volume, CPC, and competition metrics. It is well suited for SEO content planning and PPC keyword expansion.
Data Sources and Scale: Its data mainly comes from the Google Autocomplete API and the Keywords Everywhere public API. In terms of scale, the official site claims that entering 10 top-level keywords can generate 10,000+ long-tail keywords, giving it strong expansion capability.
Pricing: Extremely competitive. The official site clearly states that it is free software and will remain free forever; there is currently no paid Pro plan.
Support Channels: Only basic FAQ and email support are provided, which is standard for a free tool.
The advantages are clear: zero cost, a large volume of keyword suggestions, and key reference metrics such as search volume and CPC. The downside is that its functionality is relatively limited, lacking deeper SEO features such as competitor analysis and rank tracking. Its data sources are also heavily dependent on the Google ecosystem.
It is a great fit for budget-conscious individual bloggers, content creators, startup marketers, and PPC specialists who need to quickly expand long-tail keyword lists.
Because the tool relies heavily on the Google Autocomplete API, users in mainland China need a proxy to use it properly. Since it is completely free, payment is not an issue. If access is unreliable, alternatives such as Google Keyword Planner or Ubersuggest are worth considering.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on keywordtool.net official site.
keywordtool.net is an Hong Kong Marketing & SEO provider. TG4G tracks its product information, an overall rating of 9.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach keywordtool.net directly.