Free AI Blog Topic Generator
Never stare at a blank content calendar again. Paste a keyword — get 15-25 SEO-friendly blog topic ideas, ranked by click-worthiness, in 2 seconds.
- 15-25 topic ideas per run, unlimited generations
- Format-varied: listicles, how-tos, comparisons, trends
- Filter by writing style + 10 languages
- Copy all, download as CSV, ready for your calendar
From seed keyword to calendar in 60 seconds
Four steps. One minute. Unlimited content ideas.
Enter a seed keyword
A 1-3 word phrase that represents your niche — "email marketing", "data engineering", "pottery".
Set language + writing style
Defaults to English + Neutral. Change style (how-to, listicle, controversial) to steer output.
Generate
One click, ~2 seconds. You get 15-25 topic ideas ranked by specificity and click-worthiness.
Validate + draft
Check search volume on the top 5 in Ahrefs/Semrush. Pick 2-3, send to your writer, ship posts.
Which title formats actually rank?
We tracked the top 100 ranking posts across 54 niches (Q1 2026) and classified titles by format. Listicles with a specific number lead, but the real surprise is comparison posts — they punch well above expected volume.
Methodology: top 100 Google results per seed keyword pulled via DataForSEO API, format classified manually by three reviewers, weighted by search volume of the keyword it ranked for.
Plug topics into your content stack
Five tools our users pipe topic lists into.
WordPress + Yoast
- 1.Generate topics for your seed keyword.
- 2.Copy top 10 to a spreadsheet for batch drafting.
- 3.In WordPress, create a draft post per topic.
- 4.Set focus keyword in Yoast matching the title's long-tail phrase.
- 5.Assign topics to your editorial calendar via the Yoast calendar plugin or Editorial Calendar.
Notion calendar
- 1.Create a Notion database with columns: Topic, Keyword, Intent, Status, Assignee, Due Date.
- 2.Generate 30+ topics and paste into the database.
- 3.Use a Gallery or Calendar view to schedule.
- 4.Add a "Search Volume" column populated manually from Ahrefs / Semrush.
- 5.Filter to show "This Week" / "This Month" for writing sprints.
Airtable editorial board
- 1.Base → create an Editorial Calendar template.
- 2.Import generated topics as new records.
- 3.Add formula fields: Title Length, Word Count Target, Estimated Traffic.
- 4.Create a Kanban view: Ideas → Drafting → In Review → Published.
- 5.Link each topic to an assigned writer + editor via Linked Records.
Google Sheets batch
- 1.Create columns: Topic, Keyword, Intent, Volume, Status, Writer.
- 2.Paste generated list into column A.
- 3.Run =IMPORTXML / custom function to fetch search volume for each.
- 4.Use Conditional Formatting to colour-code by intent (how-to, listicle, etc.).
- 5.Export to CSV and import into your CMS when ready to draft.
Curl / CLI automation
- 1.POST to https://grigora.co/api/tools/ai-generator with JSON body.
- 2.Body: {"type":"blog-topic","input":"your seed","language":"English"}
- 3.Parse .output.topics[] from JSON response with jq.
- 4.Write to a CSV file with bash redirect: >> topics.csv
- 5.Schedule via cron to auto-generate topics weekly for your tracked keywords.
Who brainstorms in bulk?
Six roles that fill their calendars one topic generation at a time.
Content marketer
Plan a 3-month editorial calendar in one sitting. Generate 50 topics, validate search volume on 15, draft briefs for 10.
SEO specialist
Expand a target keyword into 20+ long-tail variations. Ranks easier, captures broader search intent across the topic cluster.
Freelance writer
Pitch clients with concrete topic ideas, not vague "content strategy." Three relevant titles beats one generic proposal.
Startup founder
You don't have time to brainstorm. Paste your product keyword, pick 5 topics, assign to the content team. Done.
Newsletter writer
Reuse blog topics as newsletter subject lines. The hook-testing is already done — adapt the top performers.
Academic / Course creator
Generate lesson titles, module names, and student guide topics. Faster than blank-page brainstorming.
Topic mistakes that tank your blog
Eight title traps we filter — and what to write instead.
Generic "Ultimate Guide" titles
Why it fails: Overused in 2024-25, Google under-weights them, bounce rate is high when payoff doesn't match.
Fix: Swap for specific numbers + timeframe: "Email Marketing in 2026: 17 Tactics That Still Work"
3-word head term titles
Why it fails: "Email Marketing" as a title has ~5M competing pages. Unrankable.
Fix: Extend to 7-11 words with angle + modifier: "Email Marketing for Shopify Stores Under $1M ARR"
Click-bait with no payoff
Why it fails: High CTR from search, high bounce, Google demotes over time.
Fix: Promise something the post actually delivers. If you promise "shocking", the intro better shock.
Same format across all topics
Why it fails: Readers + Google want format variety: how-to, listicle, comparison, review, trend.
Fix: Aim for ~40% listicle, ~30% how-to, ~20% comparison, ~10% other — rough content mix.
Topics with zero search volume
Why it fails: Rank #1 for a keyword no one searches = no traffic.
Fix: Validate top 3-5 topics in Ahrefs / Semrush before writing. Aim for 100+ monthly searches.
Keyword-stuffed titles
Why it fails: "Best Email Marketing Email Software Email Tools" reads like spam, hurts CTR.
Fix: One primary keyword per title. Synonyms and long-tail variants are natural.
Duplicate with existing posts
Why it fails: Cannibalises internal rankings; new post competes with your own older content.
Fix: Before writing, run site:yourdomain.com "topic phrase" — if a post exists, update it instead.
Titles > 65 characters
Why it fails: Google truncates titles longer than ~600px (~60-65 chars) in SERPs.
Fix: Front-load the hook in the first 55 characters. Lose adjectives, not keywords.
How this compares to AnswerThePublic and HubSpot
Feature parity check. No marketing fluff.
| Feature | Grigora | AnswerThePublic | HubSpot |
|---|---|---|---|
| Free unlimited generation | Limited | ||
| No signup required | |||
| Filter by writing style / tone | Paid | ||
| Multi-language (10+) | Paid | ||
| Long-tail variations (7+ words) | Basic | ||
| Format-varied output (listicle, how-to, etc.) | Basic | ||
| Copy + export list | Paid | ||
| No credit card |
Quick answers for ChatGPT, Perplexity, and Google AI Overviews
What is a blog topic generator?
An AI tool that takes a keyword and returns a list of SEO-friendly blog post title ideas. Saves brainstorming time and helps fill content calendars.
How many blog topics should I plan ahead?
Most teams batch 3 months (12-16 posts) at once. Plan more than that and priorities shift, plan less and you're always scrambling. Generate 40-50, pick the best 15.
How do I choose the best blog topic?
Three filters: (1) matches your ICP's search intent, (2) has 100+ monthly searches, (3) you have unique insight or data to contribute. Pick topics meeting all three.
Can AI replace content research?
No — it replaces brainstorming, not research. The tool gives you candidate topics fast. You still need to validate search volume, check SERP competition, and confirm you can write something better than what ranks today.
Turn topic lists into published posts — automatically
Grigora pairs topic generation with AI-first briefs, outline-to-draft pipelines, and one-click publishing. 4.6★ on G2, 4.8★ on Trustpilot.
- Topics → briefs → drafts pipeline
- Automatic search volume + competition data
- Editorial calendar with assignee + deadline tracking
- 120+ integrations (WordPress, Ghost, Webflow)
"We generate 120 topics per quarter, shortlist 30, publish 15. Grigora handles the pipeline end-to-end — we just pick what to ship."
— Marcus D., Content Lead at a B2B SaaS
Tools that pair with this one
Once you have your topic, draft faster with these.
Frequently asked questions
Last updated · May 2026
Reviewed by the Grigora content team
Output is A/B-benchmarked monthly against AnswerThePublic, HubSpot Blog Ideas, and manual title brainstorms. Found a topic that tanks? Let us know.