Home/Tools/KeywordTool.io

KeywordTool.io

Keyword Research

Long-tail keyword discovery from Google autocomplete data

Overview

KeywordTool.io mines autocomplete suggestions from Google, YouTube, Amazon, and other major platforms to uncover long-tail keyword opportunities that traditional tools often miss. Founded in 2014, the Hong Kong-based company built its reputation on a simple but effective approach: extract the keywords people actually type into search boxes, then layer on volume and competition data. While newer AI-powered keyword tools have emerged, KeywordTool.io remains relevant for its breadth of platform coverage and question-based keyword generation.

The tool's core strength lies in autocomplete mining rather than sophisticated SERP analysis. It generates keyword lists by systematically querying platform autocomplete APIs with your seed keywords plus various modifiers (letters, numbers, prepositions). This approach consistently surfaces keyword variations that don't appear in tools like SEMrush or Ahrefs, particularly longer, more conversational queries that reflect how people actually search.

KeywordTool.io covers 12+ platforms including Google, YouTube, Amazon, eBay, Instagram, Twitter, and Pinterest. This multi-platform approach makes it valuable for e-commerce teams researching Amazon keywords or content creators optimizing for YouTube. The question keyword feature automatically generates who/what/when/where/why/how variations, which proves useful for targeting featured snippets and FAQ content.

Score breakdown

Composite Score

30.4

#12 of 15 in Keyword Research#242 of 508 overall

Feature Depth10.0

Ease of Use35.0

Data Quality18.0

Value for Money76.0

Integration20.0

Market Traction19.0

Our review

KeywordTool.io generates keyword suggestions from Google, YouTube, Amazon, Bing, and other platform autocomplete data. Free tier shows keywords without volume data — paid plans add volume, CPC, and competition metrics.

Pros

✓Generates keywords from 8+ platforms including YouTube, Amazon, and Instagram
✓Free tier shows keyword suggestions without account
✓Multi-platform keyword discovery in one tool
✓Good for finding long-tail and question-based keywords

Cons

—Free tier hides volume and competition data
—No rank tracking, site audit, or content features
—Paid plans are expensive relative to the feature set

Best for

Content marketers finding ideas across multiple platformsYouTube creators researching video keyword opportunitiesPPC managers discovering keyword ideas for ads across channels

Key features

Autocomplete Mining

Extracts thousands of keyword suggestions from Google, YouTube, Amazon, Bing, and other platforms' autocomplete features. Particularly strong for finding question-based and long-tail variations.

Multi-Platform Research

Pulls keyword data from 12+ platforms including Google, YouTube, Amazon, eBay, Instagram, and Twitter. Useful for cross-platform content strategy and understanding search behavior across channels.

Question Keywords

Automatically generates who, what, when, where, why, and how question variations for any seed keyword. Strong for content teams targeting featured snippets and FAQ content.

Search Volume Integration

Provides search volume, CPC, and competition data when available through Google Keyword Planner integration. Data quality varies by geographic location and keyword popularity.

Negative Keywords

Generates negative keyword suggestions for PPC campaigns by analyzing related searches and filtering irrelevant terms. Helps reduce wasted ad spend in paid search campaigns.

API Access

RESTful API for bulk keyword research and integration with other SEO tools. Includes rate limiting and supports JSON/XML output formats.

Pricing

Plan	Price	Includes
Free	$0	750+ keyword suggestions per search, basic autocomplete data, 2 searches per day
Pro Basic	$89/mo	Unlimited searches, search volume data, CPC data, competition metrics, trend data
Pro Plus	$99/mo	Everything in Pro Basic, competitor analysis, 2x more keywords per search
Pro Business	$199/mo	Everything in Pro Plus, API access, white-label reports, team collaboration

Price verified 2025-02-01 · USDView vendor pricing

FAQ

How accurate is KeywordTool.io search volume data?

Search volume data comes from Google Keyword Planner, so accuracy depends on Google's data quality and your account's advertising spend history. Lower-volume keywords often show ranges rather than exact numbers.

Does KeywordTool.io work for local keyword research?

Yes, you can set specific countries and languages for geographic targeting. The tool supports 192 countries and 83 languages, making it useful for local and international SEO campaigns.

Can I export keyword data from KeywordTool.io?

Paid plans allow CSV and Excel exports of keyword lists including metrics like search volume and competition. The free version limits exports and doesn't include volume data.

How does KeywordTool.io compare to Google Keyword Planner?

KeywordTool.io finds more long-tail variations through autocomplete mining, while Keyword Planner provides more accurate volume data. Most SEOs use both tools for comprehensive keyword research.

Does KeywordTool.io provide keyword difficulty scores?

Yes, paid plans include competition metrics and difficulty scores. However, these scores are less sophisticated than dedicated tools like Ahrefs or SEMrush that analyze SERP features and backlink data.

AI Platform Coverage

PlatformTracked

ChatGPT—

Perplexity—

Gemini—

Claude—

Copilot—

Grok—

DeepSeek—

Meta AI—

Google AI Overviews—

Google AI Mode—

Mistral—

Capabilities

AI Visibility Metrics

—Share of Voice

—Sentiment Analysis

—Citation Tracking

—Competitor Tracking

—Trend Tracking

—Alert System

✓Geo/Location Filter

✓Language Filter

✓Content Recommendations

Content & Optimization

—Content Editor

—Content Generation

—Schema Generator

—Site Audit

Entity SEO

—Internal Linking

Traditional SEO

—Keyword Rank Tracking

—Keyword Difficulty

✓Keyword Research

Technical & Integrations

✓API

✓CSV Export

—Chrome Extension

—WordPress Plugin

—Open Source

Deployment: cloud

Social Proof

Notable Customers

IKEAGroupMAdobeMicrosoftShopify

How does KeywordTool.io compare?

vs alsoaskedCompare →vs answerthepublicCompare →vs keyword-insightsCompare →vs clearscope-keyword-discoveryCompare →vs google-keyword-plannerCompare →

View all comparisons →

aiseo.is Score

30.4

#12 of 15 in Keyword Research

Garrett SmithExpert reviewer

20+ yrs in SEO3+ yrs AI for SEO20K+ campaigns

Review Sentiment

Capterra★★★★½4.3 G2★★★★½4.5

Overall★★★★½4.4

55 reviews across 2 sources

People love

+Multi-platform keyword research across Google, YouTube, Amazon, Bing, and Instagram
+Surfaces long-tail keywords from autocomplete that other tools often miss
+Unique trending keywords filter with percentage-based trend data beyond 12 months

Common complaints

–Free version only shows keyword phrases — no search volume, CPC, or competition data
–Expensive annual pricing with no free trial and difficult subscription cancellation
–Weak competitor analysis and no SERP intent analysis compared to comprehensive SEO platforms

🟠Reddit sentiment

mixed

12 threads in bigseo, PPC, marketing

Useful for keyword researchReliable search volume dataCost-effective alternative to premium toolsLimited features compared to all-in-one SEO tools

“Yes, it is and you can compare keywordtool.io results with google keyword-planner if you know how to use it. These tools collect data from google.”
r/marketing

“Not that keywordtool.io isn't also good. Sometimes it's just nice to look in more than one place.”
r/bigseo

🔵𝕏 sentiment

positive

8 posts

Free alternative to paid toolsGood for long-tail keyword discoveryUseful for YouTube SEOOften listed alongside premium tools

“You don't need paid tools for keyword research. You need Google Autosuggest + https://keywordtool.io/”
@JayminPatanvad1

“Here is a great Google Keyword Planner alternative for finding long-tail keywords from Google autocomplete that you can use for free”
@Periodistech

Last updated Feb 2026

Quick Facts

CategoryKeyword Research

Starting price$89/mo

Pricing modelSubscription

Free tierYes

Founded2014

HQHong Kong

Websitekeywordtool.io

Target Market

Industries

ecommercecontent marketingdigital marketingadvertising