AI SEO Writing Assistant
Write SEO-optimized content with our free AI SEO Writing Assistant. Get instant keyword density analysis, readability scores, content structure tips, and actionable SEO recommendations — similar to SEMrush's writing tool. No signup required.
SEO Analysis Results
What Is an SEO Writing Assistant?
An SEO writing assistant checks your content while you write. It scores your keyword use, readability, content length, and structure — then tells you exactly what to fix before you publish. Think of it as a spell-checker for SEO. No sign-up. No cost.
How to Use It — 3 Steps
Type the keyword you want to rank for above.
Add your title and content. Paste works directly.
Get your score. Problem lines are highlighted in the editor.
What the Tool Checks
⚠ Inline Highlights: After analysis, passive voice sentences are underlined in orange, long sentences in red, and keyword instances in green directly inside the editor.
Understand Your SEO Content Score
When you run an analysis, the tool gives you a score from 0 to 100. Here's what each range means and what to do about it.
Your content meets the key SEO requirements. Your keyword use is on point, your content is long enough, and your readability is solid. You can publish with confidence. Keep an eye on the yellow suggestions to squeeze out extra performance.
There are some gaps. Your content might rank for low-competition keywords but will struggle with harder ones. Fix the red issues first — these have the biggest impact on your score. Then work through the yellow ones.
This content is unlikely to rank in its current state. Key elements are missing — the keyword may not be in the title, the content may be too short, or the readability score may be very low. Go through each red issue and fix it one by one. Re-analyse after each fix to track your progress.
How We Compare to Other SEO Writing Tools
There are many SEO writing assistants on the market. Here's how our free tool stacks up against the most popular paid alternatives.
| Feature |
Small SEO Tools
Free
|
Semrush SWA
Paid
|
Surfer SEO
Paid
|
|---|---|---|---|
| SEO Score | ✓ | ✓ | ✓ |
| Keyword Density Check | ✓ | ✓ | ✓ |
| Readability Analysis | ✓ | ✓ | ✓ |
| Meta Tag Generator | ✓ | ✓ | ✗ |
| Fix It Buttons | ✓ | ✗ | ✗ |
| SERP Preview | ✓ | ✓ | ✗ |
| No Sign-Up Required | ✓ | ✗ | ✗ |
| Price | Free | From $119/mo | From $89/mo |
Pricing based on published rates at time of writing. Features may vary between plan tiers.