Seed Keyword - Free Keyword Research Tool

Press Enter or click a source button to start mining keywords

Keywords

Ready to discover keywords

Enter a seed keyword above and choose a source to start mining related keyword ideas.

Pro Tips

•Click any tree node to expand and discover deeper keywords
•Use Google for general SEO keywords
•Use YouTube for video content ideas
•Use Naver for Korean market keywords
•Click keywords in list view to copy them instantly
•Stop mining early if you have enough — too many can slow the browser

1. Enter a Seed

Type any keyword or phrase you want to research. This is your starting point for discovering related terms.

2. Auto-Expand

We recursively query autocomplete APIs to find suggestions for each keyword, building a deep tree of related terms.

3. Export & Use

Copy individual keywords, copy all at once, or export as CSV. Use them for blog posts, YouTube videos, or ad campaigns.

Frequently Asked Questions

Is Seed Keyword really free?

Yes! Seed Keyword is completely free to use with no limits. No login or registration required. We sustain the service through non-intrusive ads.

Where do the keyword suggestions come from?

We use the public autocomplete APIs from Google, YouTube, and Naver. These are the same suggestions you see when you start typing in their search bars — real search data from real users.

How is Seed Keyword different from other keyword tools?

Unlike most tools, Seed Keyword recursively expands keywords. Each suggestion is used as a new seed to find even more related terms, building a comprehensive tree of keyword ideas. Plus, it supports multiple sources including YouTube and Naver.

Can I use this for YouTube keyword research?

Absolutely! Select the YouTube source to get keyword suggestions specifically from YouTube's autocomplete. These are the terms people actually search for on YouTube, making them perfect for video titles, tags, and descriptions.

What is Naver and why would I use it?

Naver is the dominant search engine in South Korea. If you're targeting Korean audiences or the Korean market, Naver keyword suggestions are essential for your SEO and content strategy.

Discover Unlimited Keyword Ideas