vercel.json Generator

Generate a vercel.json with redirects, rewrites, SPA fallback and security headers.

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Generate a vercel.json with redirects, rewrites and security headers. Enter rows as source, destination[, permanent].

Redirects (source, dest, permanent)Rewrites (source, dest)

SPA fallback Security headers

vercel.json

{
  "redirects": [
    {
      "source": "/old",
      "destination": "/new",
      "permanent": true
    },
    {
      "source": "/blog/:slug",
      "destination": "/posts/:slug",
      "permanent": false
    }
  ],
  "rewrites": [
    {
      "source": "/api/:path*",
      "destination": "https://backend.example.com/:path*"
    }
  ],
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "Referrer-Policy",
          "value": "strict-origin-when-cross-origin"
        }
      ]
    }
  ]
}

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About vercel.json Generator

vercel.json Generator is a free Vercel tool that lets you map URLs to the right destination with correct syntax — no guesswork, no docs. Copy the JSON and paste it straight into your vercel.json or project config. It runs entirely in your browser with no sign-up and no installs, so your data stays private.

How to use vercel.json Generator

1Open vercel.json Generator — it loads instantly and runs entirely in your browser.
2Fill in the fields with your own values; the output updates live as you type.
3Review the generated JSON in the preview area.
4Copy the JSON and paste it straight into your vercel.json or project config.

Why use vercel.json Generator?

✓Generates a valid JSON in seconds — no copy-pasting from docs
✓100% client-side: your inputs never leave your browser
✓Free and unlimited — no account, no trial, no credit card
✓Works on desktop and mobile; copy or download the JSON instantly

Frequently asked questions

Is vercel.json Generator free?+

Yes. vercel.json Generator is completely free with no account, no trial and no usage limits. ToolJolt is supported by unobtrusive ads, not paywalls.

Where do I paste the output from vercel.json Generator?+

Click Copy, then paste the JSON into your vercel.json or project config. Each tool's preview shows exactly what to add and where, so you can drop it in and save without reading the docs.

Is my data private?+

Completely. vercel.json Generator runs 100% in your browser (client-side). Nothing you type is uploaded to a server, so your data stays on your device.

Do I need to sign up or install anything?+

No. There's nothing to install and no sign-up — just open the page and start. It works on desktop and mobile.

Where does this go?+

Most output belongs in a vercel.json file at your project root; Vercel reads it automatically on the next deploy.

Can I use the output commercially?+

Yes. The configuration, code or files you generate are yours to use in personal and commercial projects without attribution.

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