{ }

JSON Forge

      
      Live on Chrome Web Store
    

Beautify and Validate JSON. Zero Permissions.

A lightweight Chrome extension for developers who value privacy.

Add to Chrome See the permissions

$9.99/yr after trial · No account required

0 Permissions requested

0 Network requests, ever

41 KB Installed size, unpacked

We're new and honest about it. What we can show you is the permissions manifest — and it's empty.

01 / Format

Minified mess in. Readable JSON out.

Paste anything — API responses, log payloads, config dumps. One keystroke formats it with syntax highlighting. It's a JSON formatter; it formats JSON. That's the pitch.

Before — what your API gives you

{"order":{"id":"ord_9x2","items":[{"sku":"A-114","qty":2,"price":18.5},{"sku":"B-207","qty":1,"price":42}],"total":79,"paid":true}}

→

After — one keystroke later

{
  "order": {
    "id": "ord_9x2",
    "items": [
      { "sku": "A-114", "qty": 2, "price": 18.5 },
      { "sku": "B-207", "qty": 1, "price": 42 }
    ],
    "total": 79,
    "paid": true
  }
}

02 / Validate

Errors with line numbers, as you type.

Real-time validation against the JSON spec. No "invalid JSON" shrug — you get the line, the column, and what the parser expected instead. Trailing commas, unquoted keys, single quotes: caught before you paste it somewhere that matters.

config.json

1{
2  "retries": 3,
3  "timeout_ms": 5000,
4  "debug": false,
5}

          ✗ line 4:18
          Trailing comma — expected " or }
        

03 / Privacy

Your data never leaves your browser. Period.

The JSON you paste is often the JSON you shouldn't paste anywhere: API keys, customer records, internal payloads. JSON Forge parses everything locally in the popup. There is no server, no telemetry, no "anonymous usage analytics."

Not a policy promise — a technical fact. With zero permissions and no network access, sending your data anywhere isn't something we chose not to do. It's something the extension can't do.

manifest.json — the whole permissions section

{
  "name": "JSON Forge",
  "manifest_version": 3,
  "permissions": [],
  "host_permissions": []
}

Verify it yourself after install: chrome://extensions → Details

The differentiator

Every other JSON formatter asks for host permissions.

"Read and change all your data on all websites" is the standard ask — usually so the extension can auto-format JSON responses in tabs. Useful. Also a lot of access for a formatter. We chose the popup-only tradeoff instead.

JSON Forge

Typical formatter

Permissions on install

None

Read data on all sites

Can see your open tabs

No

Yes

Network / analytics calls

Zero

Varies — check yourself

Auto-format JSON in tabs

No — popup only

Yes

Fair is fair: that last row is a real tradeoff. If you want in-tab auto-formatting, JSON Forge isn't it — that feature is impossible without host permissions, and we won't ask for them.

Format JSON without handing over your browser.

7-day free trial. Then $9.99/yr. That's the whole pricing page.

Add to Chrome

Launch promo LAUNCH50 — 50% off your first year

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