Free Meta Tag Generator
for HTML & Next.js
Generate SEO meta tags, Open Graph tags, Twitter Cards, canonical URLs, JSON-LD structured data, and Next.js Metadata API configuration instantly.
- HTML & Next.js Metadata API output
- Open Graph and Twitter Card tags
- JSON-LD structured data included
Why Meta Tags Matter
Meta tags don't change how your page looks to a visitor — they change how search engines and social platforms understand and present it. A missing or badly written description means Google writes its own summary for you, often pulling an awkward sentence straight from your page body. A missing Open Graph image means your link shows up as bare text when shared on LinkedIn, Twitter/X, or Slack, which measurably hurts click-through rate compared to a rich preview card.
JSON-LD structured data goes a step further: it tells search engines explicitly what kind of content a page is — an article, a product, a FAQ — which is what unlocks rich results like star ratings, breadcrumbs, or FAQ dropdowns directly in search listings. None of this is optional for a page that actually wants to be found and shared correctly.
What Does This Meta Tag Generator Create?
Fill in a page's title, description, URL, and image once, and this tool builds out every tag that depends on them — so you're not hand-writing the same values four different ways:
- Core SEO tags — title, description, canonical URL, robots directives
- Open Graph tags for Facebook, LinkedIn, and Slack link previews
- Twitter Card tags for rich previews on X
- JSON-LD structured data (WebSite schema) for search engines
- A ready-to-paste Next.js Metadata API object, including nested openGraph and twitter fields
Example Output
Here's what the HTML output looks like for a typical page — title, description, canonical, Open Graph, Twitter Card, and JSON-LD all generated from the same set of inputs:
<title>Free Meta Tag Generator for HTML & Next.js</title>
<meta charset="utf-8">
<meta name="application-name" content="Free Meta Tag Generator for HTML & Next.js">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Generate SEO meta tags, Open Graph tags, Twitter Cards, canonical URLs, JSON-LD structured data, and Next.js Metadata API configuration instantly." />
<meta name="keywords" content="nextjs, seo, metadata" />
<meta name="author" content="William" />
<meta name="creator" content="John" />
<meta name="publisher" content="DevStacked" />
<meta name="robots" content="index, follow" />
<link rel="canonical" href="https://devstacked.tech/tools/meta-tag-generator" />
<meta name="theme-color" content="#000" />
<meta name="referrer" content="strict-origin-when-cross-origin" />
<!--Open Graph tags-->
<meta property="og:title" content="Free Meta Tag Generator for HTML & Next.js" />
<meta property="og:description" content="Generate SEO meta tags, Open Graph tags, Twitter Cards, canonical URLs, JSON-LD structured data, and Next.js Metadata API configuration instantly." />
<meta property="og:site_name" content="DevStacked" />
<meta property="og:url" content="https://devstacked.tech/tools/meta-tag-generator" />
<meta property="og:image" content="http://devstacked.tech/opengraph-image" />
<meta property="og:image:secure_url" content="https://devstacked.tech/opengraph-image" />
<meta property="og:image:alt" content="DevStacked Logo" />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<meta property="og:image:type" content="image/png">
<meta property="og:type" content="website" />
<!-- You can change type accodring to your page like article, profile, etc if needed -->
<meta property="og:locale" content="en_US" />
<!--Twitter tags-->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Free Meta Tag Generator for HTML & Next.js" />
<meta name="twitter:description" content="Generate SEO meta tags, Open Graph tags, Twitter Cards, canonical URLs, JSON-LD structured data, and Next.js Metadata API configuration instantly." />
<meta name="twitter:url" content="https://devstacked.tech/tools/meta-tag-generator" />
<meta name="twitter:domain" content="devstacked.tech" />
<meta name="twitter:image" content="http://devstacked.tech/opengraph-image" />
<meta name="twitter:image:secure_url" content="https://devstacked.tech/opengraph-image" />
<meta name="twitter:image:alt" content="DevStacked Logo" />
<meta name="twitter:image:width" content="1200" >
<meta name="twitter:image:height" content="630" >
<meta name="twitter:site" content="@devstacked" />
<meta name="twitter:creator" content="@john" />
<!--JSON-LD-->
<script type="application/ld+json">
// You can change @type accodring to your page like Article, BlogPosting, FAQPage, etc if needed
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "Free Meta Tag Generator for HTML & Next.js",
"url": "https://devstacked.tech/tools/meta-tag-generator",
"author": {
"@type": "Person",
"name": "William"
},
"publisher": {
"@type": "Organization",
"name": "DevStacked",
"url": "https://devstacked.tech/tools/meta-tag-generator"
},
"mainEntityOfPage": {
"@type": "WebPage",
"@id": "https://devstacked.tech/tools/meta-tag-generator"
}
}
</script>Frequently asked questions
Does the Next.js tab output a valid Metadata object?
Yes. The Next.js output tab generates a ready-to-paste `export const metadata` object matching the App Router's Metadata API, including nested openGraph and twitter fields — no manual restructuring needed.
What's the difference between the HTML and Next.js tabs?
The HTML tab outputs raw <meta> tags for a plain HTML <head> or non-Next.js project. The Next.js tab outputs the same information as a typed Metadata object for the App Router, plus a separate JSON-LD <Script> snippet.
Why isn't Google showing my meta description?
Google doesn't always use your meta description. If it believes another part of your page better matches a user's search query, it may generate its own snippet instead. A clear, relevant description still improves your chances of it being shown.
What's the ideal title length?
Aim for 50–60 characters (or roughly 580–600 pixels) so your title is less likely to be truncated in search results. Put your primary keyword near the beginning and keep every page title unique.
What is Open Graph?
Open Graph is a set of meta tags that controls how your page appears when shared on platforms like Facebook, LinkedIn, Discord, and Slack. It lets you define the title, description, image, and URL shown in link previews.
What's the difference between a canonical URL and a redirect?
A canonical URL tells search engines which version of similar pages should be indexed, while a redirect automatically sends users and search engines from one URL to another. Canonicals are a hint for indexing; redirects change where a request goes.
Do I need Twitter Cards?
Yes, if you want richer previews when your pages are shared on X (formerly Twitter). While X can often fall back to Open Graph tags, adding Twitter Card tags gives you more control and improves compatibility.