Notion API Filter JSON Builder

Notion API Filter JSON Builder — build a ready-to-paste config or snippet in seconds. 100% client-side, no sign-up.

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Build a Notion API database query filter (the filter object for POST /v1/databases/{id}/query).

Combine with

{
  "filter": {
    "and": [
      {
        "property": "Status",
        "status": {
          "equals": "Done"
        }
      },
      {
        "property": "Priority",
        "number": {
          "greater_than": 2
        }
      }
    ]
  }
}

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About Notion API Filter JSON Builder

Notion API Filter JSON Builder is a free Notion tool that lets you build a correct JSON in clicks instead of digging through docs — no guesswork, no docs. Copy the JSON and paste it straight into your Notion workspace or integration. It runs entirely in your browser with no sign-up and no installs, so your data stays private.

How to use Notion API Filter JSON Builder

1Open Notion API Filter JSON Builder — 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 Notion workspace or integration.

Why use Notion API Filter JSON Builder?

✓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 Notion API Filter JSON Builder free?+

Yes. Notion API Filter JSON Builder 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 Notion API Filter JSON Builder?+

Click Copy, then paste the JSON into your Notion workspace or integration. 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. Notion API Filter JSON Builder 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.

Will this work with the free Notion plan?+

Yes. Formulas, CSV imports and icons work on any plan. API filters require a Notion integration token, which is free to create.

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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