Overview

Keyword Tool is a keyword research platform established in 2014, focusing on extracting keyword suggestions from various search engines and online platforms. It is designed to assist SEO professionals, content marketers, and PPC advertisers in identifying relevant search terms. The tool primarily operates by appending and prepending search queries to generate an extensive list of long-tail keyword variations, similar to how Google Autocomplete functions but on a larger scale. This approach aims to uncover less competitive keywords that users might miss with traditional keyword research methods.

The platform offers specialized versions for different search environments, including Google, YouTube, Amazon, eBay, and the App Store, as well as social media platforms like Instagram, Twitter, and Pinterest. This multi-platform capability allows users to conduct targeted research based on where their audience is searching. For instance, the YouTube-specific tool can help identify video topics with search demand, while the Amazon tool supports product listing optimization. This multi-faceted approach distinguishes it from tools that focus solely on Google Search data, addressing a broader range of digital marketing needs.

Keyword Tool is suitable for users who require detailed keyword suggestions across multiple platforms without needing advanced competitive analysis features such as backlink profiles or domain authority metrics. Its strength lies in keyword generation and content idea discovery, making it a resource for initial research phases. While it provides search volume estimates and trend data, it does not offer the comprehensive suite of SEO auditing and site analysis features found in broader SEO platforms like Ahrefs' Keywords Explorer or Semrush's Keyword Magic Tool. The platform's free tier provides limited usage, allowing users to test its core functionality before committing to a paid subscription, which offers more extensive data and daily query limits.

The primary user interface is web-based, providing a direct method for query input and results display. There is no publicly documented API or SDK, meaning programmatic access to its data is not available. This design choice positions Keyword Tool as an end-user application rather than a developer-centric platform for integrating keyword data into custom applications or workflows.

Key features

  • Long-tail keyword discovery: Generates hundreds of keyword suggestions by using Google Autocomplete data and similar mechanisms across various platforms.
  • Multi-platform keyword research: Provides dedicated tools for Google, YouTube, Amazon, eBay, App Store, Instagram, Twitter, and Pinterest.
  • Search volume data: Offers estimated monthly search volumes for keywords, aiding in prioritizing research efforts.
  • Trend analysis: Displays historical search trend data to identify seasonality and growing interest in specific topics.
  • Competitor keyword analysis: Allows users to input competitor websites to uncover keywords they rank for, though this feature is less comprehensive than dedicated competitive analysis suites.
  • Content idea generation: Facilitates brainstorming by providing related questions, prepositions, and suggestions based on initial seed keywords.
  • PPC keyword research: Supports the identification of relevant keywords for paid advertising campaigns, including negative keywords.
  • Negative keyword functionality: Enables users to filter out irrelevant keywords from their results.
  • Localization: Supports keyword research across multiple countries and languages.

Pricing

Keyword Tool offers several subscription tiers for its Pro version, with discounts available for annual billing. Pricing information is current as of May 2026.

Plan Monthly Price (billed annually) Monthly Price (billed monthly) Features
Pro Basic $69/month $89/month 2000 keywords/day, 70000 search volume lookups/day, 20 API requests/day (internal use, not public API), basic data
Pro Plus $79/month $99/month 4000 keywords/day, 140000 search volume lookups/day, 40 API requests/day (internal use), competitor keyword analysis, Google Ads data
Pro Business $159/month $199/month 10000 keywords/day, 350000 search volume lookups/day, 100 API requests/day (internal use), all Pro Plus features, 10 user accounts

For the most current pricing details and feature breakdowns, refer to the official Keyword Tool pricing page.

Common integrations

Keyword Tool primarily functions as a standalone web application. It does not offer direct integrations with third-party platforms or services through documented APIs or plugins for content management systems. Users typically export data from Keyword Tool and then import it manually into other tools or platforms, such as:

  • Spreadsheet software (e.g., Google Sheets, Microsoft Excel): For organizing, filtering, and further analyzing exported keyword lists.
  • Content management systems (e.g., WordPress): To inform content creation and optimization efforts by manually applying researched keywords to posts and pages. Yoast SEO and other plugins require manual input of target keywords.
  • PPC platforms (e.g., Google Ads): To upload keyword lists for campaign targeting and negative keyword exclusion.
  • SEO reporting tools: To incorporate keyword research findings into broader SEO performance reports.

Alternatives

  • Ahrefs: A comprehensive SEO suite offering extensive keyword research, backlink analysis, site audits, and competitor analysis.
  • Semrush: A platform providing tools for keyword research, competitive intelligence, content marketing, social media management, and PPC.
  • Moz Keyword Explorer: Part of the Moz Pro suite, offering keyword suggestions, search volume, difficulty scores, and SERP analysis.

Getting started

Keyword Tool operates via a web-based interface. There is no publicly available API or SDK for programmatic interaction. To begin using the tool for keyword research, navigate to its homepage and input a seed keyword. The following example illustrates the general steps for obtaining keyword suggestions:

1. Open a web browser and go to https://keywordtool.io/
2. Locate the search bar on the homepage.
3. Enter your desired seed keyword (e.g., "sustainable packaging").
4. Select the target search engine (e.g., Google, YouTube, Amazon) from the dropdown.
5. Choose the target country and language, if applicable.
6. Click the search button.
7. Review the generated list of keyword suggestions, including long-tail variations, questions, and prepositions.
8. Use the filter options to refine the results (e.g., exclude negative keywords).
9. Export the selected keywords for further analysis or implementation.

This process provides a direct method for users to access the platform's keyword generation capabilities without requiring any code or technical setup beyond web access.