Best Writing Assistants
Tools that help you write better—grammar, style, and AI drafting.
Best Writing Tools Online
Whether you write emails, blog posts, or long-form content, these online tools help you write better. Grammar checkers, style assistants, and AI writing aids work in your browser or integrate with your favorite apps.
We've included tools for different needs: quick grammar fixes, deeper style analysis, and AI-assisted drafting. Some are free; others offer freemium models. All run online—no desktop install required.
Pick based on your primary use case. Many writers use more than one.
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Grammarly
Grammarly checks grammar, spelling, and style. Works across browsers and apps. Free tier for basics.
Key features: Grammar; Style; Integrations
Best for: Polishing any writing.
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ChatGPT
ChatGPT helps draft and edit. Use for brainstorming, outlines, and first drafts. Free tier available.
Key features: Drafting; Editing; AI
Best for: Drafting and brainstorming.
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Hemingway Editor
Hemingway highlights complex sentences. Suggests simpler alternatives. Free web version.
Key features: Readability; Clarity; Free
Best for: Simplifying prose.
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ProWritingAid
ProWritingAid analyzes style, grammar, and readability. More comprehensive than basic checkers. Freemium.
Key features: Style analysis; Reports; Integrations
Best for: Deep style analysis.
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Obsidian
Obsidian for long-form writing. Markdown, linked notes. Local-first. Free core.
Key features: Markdown; Linked notes; Local
Best for: Long-form and research writing.
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Notion
Notion's editor supports AI writing (paid). Good for docs and collaborative writing.
Key features: Docs; AI (paid); Collaboration
Best for: Collaborative documents.
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Perplexity
Perplexity for research-backed writing. Get facts and sources. Cite in your work.
Key features: Research; Sources; AI
Best for: Research for writing.
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Claude
Claude excels at nuanced writing. Long context for long documents. Good for editing.
Key features: Writing; Editing; Long context
Best for: Editing and long-form.
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Copy.ai
Copy.ai generates marketing copy with AI. Ads, emails, social posts. Free tier: 2,000 words/month. Templates for common formats. Good for quick first drafts.
Key features: AI copy; Templates; 29 languages; Free tier
Best for: Marketing and ad copy generation.