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js
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.gitignore
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.htmlhintrc
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README.md
README.md
 
 
_worker.js
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blog-compare-ai.html
blog-compare-ai.html
 
 
blog-data-prompts.html
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blog-design-prompts.html
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blog-dev-prompts.html
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blog-job-prompts.html
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blog-legal-prompts.html
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blog-marketing-prompts.html
blog-marketing-prompts.html
 
 
blog-post.md
blog-post.md
 
 
blog-productivity-prompts.html
blog-productivity-prompts.html
 
 
blog-prompt-router.html
blog-prompt-router.html
 
 
blog-reduce-ai-costs.html
blog-reduce-ai-costs.html
 
 
blog-sales-prompts.html
blog-sales-prompts.html
 
 
blog-startup-prompts.html
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blog-student-prompts.html
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blog-writing-prompts.html
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blog.html
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clumsy.svg
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data.html
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design.html
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dev.html
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devto-article.md
devto-article.md
 
 
eslint.config.js
eslint.config.js
 
 
googlee5dbd159d1306862.html
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index.html
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job.html
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legal.html
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marketing.html
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mockup.html
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package-lock.json
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package.json
package.json
 
 
productivity.html
productivity.html
 
 
qa-report.md
qa-report.md
 
 
robots.txt
robots.txt
 
 
sales.html
sales.html
 
 
site.webmanifest
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sitemap.xml
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startup.html
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student.html
student.html
 
 
sw.js
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writing.html
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Repository files navigation

Prompt Router

Write one prompt. Open every AI.

A free, single-page tool that lets you write your prompt once and instantly open it in ChatGPT, Claude, Gemini, Copilot, Perplexity, DeepSeek, Grok, and Le Chat — prefilled and ready to go.

Live at: prompt-router.pages.dev

Features

  • Zero friction — no account, no login, no backend
  • 8 AI providers — ChatGPT, Claude, Gemini, Copilot, Perplexity, DeepSeek, Grok, Le Chat
  • Quick templates — 10 prompt patterns (Summarize, Explain, Brainstorm, Fix code, etc.) with pin-to-top
  • My prompts library — save, pin, and reuse your own prompts (stored in localStorage)
  • 11 prompt libraries — curated prompts for Dev, Writing, Marketing, Job Search, Startup, Data, Design, Student, Productivity, Legal, and Sales
  • Blog — 12 articles covering prompt engineering tips and library walkthroughs
  • 7 languages — English, Spanish, Italian, Portuguese, French, German, Turkish (auto-detected from browser)
  • Dark / light mode — follows system preference
  • PWA-ready — installable on mobile and desktop via "Add to Home Screen"
  • Keyboard shortcuts — ⌘S save, ⌘C copy, Esc clear

Project structure

index.html                 Main app (single HTML file — no build step)
_worker.js                 Cloudflare Pages Worker for server-side SEO meta injection
dev.html                   Dev prompt library
writing.html               Writing prompt library
marketing.html             Marketing prompt library
job.html                   Job search prompt library
startup.html               Startup prompt library
data.html                  Data analysis prompt library
design.html                Design & UX prompt library
student.html               Student prompt library
productivity.html          Productivity prompt library
legal.html                 Legal prompt library
sales.html                 Sales prompt library
blog.html                  Blog listing page
blog-*.html                Individual blog posts (12 articles)
site.webmanifest           PWA manifest
robots.txt                 Crawler instructions
sitemap.xml                Multilingual sitemap (all 7 language URLs)
blog-post.md               Blog post copy
googlee5dbd159d1306862.html  Google Search Console verification

Image assets (not in repo — create separately)

/favicon-32x32.png         32×32 PNG favicon
/favicon-16x16.png         16×16 PNG favicon
/apple-touch-icon.png      180×180 PNG for iOS home screen
/icons/icon-192.png        192×192 PNG for Android PWA
/icons/icon-512.png        512×512 PNG for Android PWA splash
/og-image.png              1200×630 PNG for social sharing previews

Tip: Use realfavicongenerator.net — upload a 512×512 logo and it generates all icon sizes.

i18n / Localization

Language is detected in priority order:

  1. ?lang=xx URL parameter
  2. localStorage (pr_lang key — persisted from previous visit)
  3. navigator.languages (browser default)
  4. Fallback: en

Supported codes: en, es, it, pt, fr, de, tr

Language-specific URLs use the ?lang=xx format (e.g. /?lang=fr). These are declared as hreflang alternates in <head> and in sitemap.xml.

Cloudflare Worker (_worker.js)

The Worker runs on every request to / and injects the correct translated <title>, <meta name="description">, Open Graph / Twitter Card tags, <link rel="canonical">, and <meta property="og:url"> server-side using the HTMLRewriter API.

This ensures:

  • Social media scrapers (Facebook, Twitter/X, LinkedIn, Slack) see the right language meta tags when a ?lang=xx URL is shared
  • Non-JS crawlers index translated titles and descriptions
  • Canonical URL and OG URL point to the correct language-specific URL (e.g. /?lang=fr)

For the default English URL (/ with no ?lang= param), the Worker passes through the request untouched — zero overhead.

All other paths (images, fonts, manifests, etc.) bypass the Worker entirely.

Deployment (Cloudflare Pages)

This repo is connected to Cloudflare Pages. Every push to main triggers an automatic deployment.

Manual deploy with Wrangler

npm install -g wrangler
wrangler pages deploy . --project-name prompt-router

Connect a new Cloudflare Pages project to this repo

  1. Go to Cloudflare Pages dashboard → Create project → Connect to Git
  2. Select this repo
  3. Build settings:
    • Framework preset: None
    • Build command: (leave empty)
    • Build output directory: /
  4. Deploy

The _worker.js in the root is detected automatically — no extra configuration needed.

SEO checklist

On-page SEO

  • <title> and <meta name="description"> translated per language (server-side via Worker)
  • Open Graph and Twitter Card tags translated per language
  • hreflang alternate links in <head> for all 7 languages
  • xhtml:link hreflang entries in sitemap.xml
  • robots.txt pointing to sitemap
  • rel="canonical" rewritten per language variant (via Worker)
  • og:url rewritten per language variant (via Worker)
  • Keyword-rich <h1> on homepage (tagline as H1, logo as <div>)
  • Schema.org WebApplication structured data (homepage)
  • Schema.org WebPage + BreadcrumbList structured data (library pages)
  • Schema.org BlogPosting structured data with dateModified (blog posts)
  • Schema.org ItemList structured data dynamically generated (library pages)
  • article:author and article:section OG meta tags (blog posts)
  • Internal cross-links between related library pages ("Explore more prompts" section)

External (manual)

Performance notes

  • No build step — pure HTML/CSS/JS, single file
  • Fonts from Google Fonts CDN with display=swap
  • No analytics, no tracking, no server — prompts never leave the browser
  • Estimated Lighthouse: 95–100 Performance, 100 Accessibility, 100 Best Practices, 95+ SEO

About

Write a prompt once and instantly open it in multiple AI platforms

prompt-router.pages.dev/

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prompt prompt-toolkit prompt-engineering

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