Extract JSON Values

What is JSON Value Extraction and When is it Used?

Large JSON files containing extensive object arrays are frequently used to deliver batch data, logs, database queries, and config items in web applications. Often, a developer only needs a subset of that data—such as listing all email addresses, extracting user IDs, or collecting numerical prices for analysis—without the surrounding nested markup structure.

The Extract JSON Values tool allows you to isolate and parse raw values from any JSON structure instantly. You can target all primitive values, filter values by a specific property key (e.g. `price`), or query values based on their native data types (only strings, numbers, or booleans).

How to Extract Values from JSON

1. Input your JSON: Paste your JSON payload into the editor on the left column. Or click "Load Sample" to see it in action.
2. Select filter strategy: Choose between extracting **all primitive values**, targeting a **specific key name**, or filtering by **data type** (e.g., only numbers).
3. Choose output style: Export as a flat plain text list (separated by new lines, commas, or tabs) or formatted into a neat **JSON array**.
4. Get your results: The isolated value fields are dynamically processed and updated on the right. Copy or download them immediately.

Powerful Filtering Options

• Key-Name Querying: Perfect for isolating identical key-value properties buried deep inside massive object structures (e.g. pulling all `email` attributes from a nested array).
• Primitive Data-Type Filtering: Cleanly extracts only your target values, such as isolating numerical scores, text descriptions, or boolean configuration flags.
• Unique Deduplication Mode: Remove redundant fields from the extracted array to easily review distinct categories, unique tags, or unique IDs.
• Fully Local Computation: Processing runs 100% locally in your web browser. No data is transmitted to our servers, keeping credentials and privacy secure.