10 Best Blog Post Outline Tools for Founders [2026 Updated]

1. Semrush SEO Writing Assistant

• Type: Paid
• URL: https://www.semrush.com
• Overview: Semrush offers content tools, including the SEO Content Template, that analyze top-ranking pages for a keyword and suggest headings, topics, and word counts. It helps marketers build data-driven blog post outlines aligned with search intent.

2. Frase

• Type: Paid
• URL: https://www.frase.io
• Overview: Frase researches the top search results for a keyword and automatically generates a structured content brief and blog outline. It also provides optimization scoring and AI writing features to help teams produce SEO-focused articles faster.

3. Surfer SEO

• Type: Paid
• URL: https://surferseo.com
• Overview: Surfer provides a Content Editor and outline generator that recommend headings, keywords, and structure based on SERP analysis. Writers use it to plan blog posts that match what already ranks well.

4. MarketMuse

• Type: Paid
• URL: https://www.marketmuse.com
• Overview: MarketMuse uses AI to build detailed content briefs and outlines that cover the topics needed for authority on a subject. It includes a limited free plan and paid tiers for teams that need topic modeling and content planning.

5. HubSpot Blog Ideas Generator

• Type: Free
• URL: https://www.hubspot.com/blog-topic-generator
• Overview: This free tool turns a few nouns or keywords into blog post title ideas that can anchor an outline. It is useful for beginners who need a quick starting point for planning content topics.

6. Jasper

• Type: Paid
• URL: https://www.jasper.ai
• Overview: Jasper is an AI marketing platform with blog post outline templates that create headings and subpoints from a topic and brand voice. Teams use it to speed up planning and drafting while keeping messaging consistent.

7. Copy.ai

• Type: Paid
• URL: https://www.copy.ai
• Overview: Copy.ai offers AI workflows and a blog post outline generator that structures articles from a topic or keyword. It has a free tier with limited usage and paid plans for larger teams.

8. Writesonic

• Type: Paid
• URL: https://writesonic.com
• Overview: Writesonic includes an AI article writer that produces outlines for blog posts before generating full drafts, with options to edit headings first. It also offers SEO checking and GEO-focused features for content optimization.

9. AnswerThePublic

• Type: Paid
• URL: https://answerthepublic.com
• Overview: AnswerThePublic visualizes the questions, comparisons, and phrases people search for around a keyword. Marketers use these insights to shape the sections and subheadings of a blog outline around real audience questions.

10. ChatGPT

• Type: Free
• URL: https://chatgpt.com
• Overview: ChatGPT can quickly generate blog post outlines, with headings, subpoints, and intros, from a prompt describing the topic, audience, and tone. It has a free plan with limits and paid plans for heavier use.