Content marketers and bloggers spend hours writing SEO-optimized articles. I built WriteKit to cut that down to 60 seconds.
What WriteKit Does
You enter a keyword and select your preferences:
- Article type: Blog post, product review, how-to guide, or listicle
- Language: English, Chinese, Japanese, or Korean
- Word count: 1,500 to 3,000 words
- Tone: Professional, casual, academic, or friendly
Hit "Generate" and get a complete, SEO-optimized article with:
- SEO title with your target keyword
- Meta description (150-160 characters)
- Structured H2/H3 headings
- Natural keyword density (3-5 mentions)
- Internal linking suggestions
The Tech Stack
| Layer | Technology |
|---|---|
| Framework | Next.js 14 (App Router) |
| AI Engine | OpenAI GPT-4o-mini |
| Auth | NextAuth.js (GitHub + Google) |
| Database | Supabase (Postgres) |
| Payments | LemonSqueezy |
| Deployment | Vercel |
How the AI Generation Works
The core is a carefully crafted prompt that instructs GPT-4o-mini to:
- Research the topic thoroughly
- Structure the content with proper heading hierarchy
- Include the target keyword naturally
- Write in an engaging, human-like tone
- Add internal linking anchor text suggestions
The response streams in real-time using ReadableStream, so you see the article being written character by character — like watching a fast typist.
Pricing
- Free: 1 article/day, 1,500 words max, English only
- Pro: $19/month — Unlimited articles, 3,000 words, all languages
- Business: $49/month — Everything + API access + bulk generation
Try It
Check out the live demo: WriteKit
What content creation pain points do you face? Would love to hear what features matter most to you.
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