Japanese SEO keyword research,
all in one tool

Saguru pulls search suggestions from 11 sources (Google, Bing, YouTube, Amazon, Rakuten and more), mines real questions from Japanese Q&A sites, extracts top-page headings and co-occurring words, and scores SEO difficulty — marking winnable “opportunity keywords” with a 👑.

Built for the Japanese search market. English UI available — switch anytime with the 🌐 button.

Try it free — no signup See pricing

Free: 5 searches/day without an account · 30/day with a free account · paid plans from ¥270/month (≈ $2)

Saguru keyword research dashboard on PC

Everything for Japanese keyword research, on one screen

Stop hopping between tools. Saguru combines suggestion mining, SERP analysis, difficulty scoring and AI writing support.

💡

Suggestions from 11 sources

Google, Bing, YouTube, Amazon, Rakuten, Niconico, X (Twitter), Meta, Instagram, TikTok and Hatena Blog — expanded a-to-z and 50-on kana style, 600+ candidates per keyword.

👑

SEO difficulty & opportunity keywords

Automatic difficulty scoring flags low-competition, high-demand keywords with a crown so you know what to write first.

❓

Q&A mining

Real questions and pain points pulled from Japanese Q&A sites such as Yahoo! Chiebukuro — perfect for search-intent research.

📰

Top-page headings & co-occurring words

See the H2/H3 outline of every top-ranking page and the words they use, so your article covers what Google rewards.

📢

Competitor ad keywords

Research the Google Ads keywords, ad copy and CPC of any competitor domain.

🎯

Keyword & opportunity maps

Bubble maps and volume × difficulty quadrants that make the whole topic space visible at a glance.

🚀

SEO / AIO / LLMO audits

Audit any URL for classic SEO, AI Overviews readiness and LLM citation-friendliness (ChatGPT, Perplexity).

🤖

AI writing support

AI-generated outlines, search-intent analysis, titles & meta, rewrites, full article drafts and an AI visibility checker (Premium).

11 suggestion sources

One click fetches and de-duplicates suggestions across all of them.

GoogleBingYouTubeAmazonRakutenNiconicoX (Twitter)MetaInstagramTikTokHatena Blog

Simple, honest pricing

Prices are in Japanese yen. Payments are processed by Stripe.

PlanPriceWhat you get
Guest¥05 searches/day, no account needed
Free account¥030 searches/day, keyword saving, email or Google sign-in
Basic¥270/month (≈ $2)Practically unlimited searches, CSV export, all 11 sources, keyword generator, SEO/AIO/LLMO audits, competitor ads research
Premium¥580/month (≈ $4)Everything in Basic + real monthly search volume, CPC & ad competition data, AI outlines/titles/drafts, AI visibility checks, competitor ranking keywords

FAQ

Does Saguru support English?
Yes. The interface is available in English — open the tool with the “Launch the tool” button (or add ?lang=en) and use the 🌐 toggle in the header any time. Keyword data itself reflects the Japanese search market, which is what the tool is built to research.
Who is Saguru for?
SEO specialists, content marketers, bloggers and agencies who target Japanese search — including international teams doing Japanese-market SEO without native staff.
Do I need a credit card to try it?
No. You can run 5 searches a day with no account at all, and 30 a day with a free account. Paid plans are subscriptions processed by Stripe and can be cancelled anytime.
Where does the data come from?
Suggestion APIs of each platform, live SERP analysis, Google Trends, and commercial search-data APIs for real volume/CPC figures on the Premium plan.
Who operates Saguru?
Saguru is developed and operated by D-SYSTEMS-EN Inc., a Japanese software company. See the company page (Japanese).

Find your winnable Japanese keywords today

No signup, no credit card — your first searches are free.

Launch Saguru (English UI)