Filter JSON

Use the Filter JSON tool to quickly extract specific key-value pairs from a JSON object based on live criteria. You can match key names, limit to string values, skip empty entries, and choose whether to pretty print the output. It updates in real time as you type or load input, making it easy to trim down or focus on just the parts of your JSON data you care about. The Filter JSON tool is especially useful for debugging, documentation, or working with APIs.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .json
Total keys: 0
Options
Pretty Print
Only String Values
Exclude Empty
Key contains:

How to Use:

  1. Paste your JSON into the Input JSON box or import a .json or .txt file.
  2. Set your filters in the Options panel:
    • Use the Key contains field to narrow down key names (e.g., name).
    • Toggle Only String Values to filter non-string entries.
    • Toggle Exclude Empty to skip null, empty string, or empty arrays.
    • Use Pretty Print for formatted output or disable for compact view.
  3. The Filtered Output box updates instantly.
  4. Click Copy Output to copy the result.
  5. Click Export to File to download the filtered JSON.
  6. Use Clear All to reset everything.

What Filter JSON can do:

Filter JSON lets you zero in on parts of your data without writing any code. Whether you’re sifting through a giant API response, preparing a reduced dataset, or just exploring JSON, this tool keeps things clean and quick. You can combine pretty printing with exclusions to get readable, focused output. And because it updates in real time, it’s a great way to experiment with different filters and settings on the fly.

Example:

Before:

{
  "name": "Alice",
  "age": 30,
  "city": "London",
  "email": "[email protected]",
  "active": true
}

With settings:

  • Key contains: name
  • Only String Values: On

After:

{
  "name": "Alice"
}

Common Use Cases:

It’s perfect for cleaning up JSON dumps, grabbing just the fields you need from API responses, or creating reduced JSON payloads for debugging or sharing. Filter JSON works instantly and safely in your browser with no setup, giving you control over messy or verbose data structures.

Useful Tools & Suggestions:

Before filtering, Analyze JSON helps you understand the structure so you know exactly what to keep or remove. Then, if you need to isolate specific values, Extract JSON Keys/Values can narrow it down even further.

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