What Is a JSON to Table Viewer?
A JSON to Table Viewer takes a JSON array of objects and renders it as an interactive, sortable, filterable table. Instead of scrolling through raw JSON text, you get a structured spreadsheet-like view of your data with column headers derived from object keys. This tool runs 100% in your browser — your data is never uploaded to any server.
It supports pasting JSON, file upload, drag-and-drop, URL import, column sorting, text search filtering, row numbering, CSV export, JSON download, and localStorage persistence.
How to Use This Tool
Add Your JSON
Paste a JSON array of objects into the input area, click Upload to select a .json file, drag and drop a file, or use URL Import to fetch JSON from a remote API or URL.
Render the Table
Click Render Table to parse the JSON and display it as an interactive table. Column headers are automatically derived from the object keys across all items.
Sort & Filter
Click any column header to sort ascending or descending. Use the search box to filter rows — it searches across all columns simultaneously.
Export Your Data
Copy the table as CSV to your clipboard, download as a .csv file for spreadsheets, or download as formatted JSON. Filters are applied to exports.
Features Explained
Interactive Column Sorting
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Click any column header to sort the table by that column. Click again to reverse the sort direction. Numbers are sorted numerically, and strings are sorted alphabetically using locale-aware comparison. The active sort column and direction are indicated with an arrow icon.
Real-Time Text Filtering
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Type in the search box to instantly filter rows. The filter searches across all columns simultaneously — if any cell in a row matches your query, the row is shown. The row count updates in real-time to show how many rows match.
Automatic Column Detection
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Column headers are automatically derived from all unique object keys across every item in the JSON array. Even if some objects have different keys, all columns are shown with missing values displayed as empty cells.
File Upload & Drag-and-Drop
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Upload a .json or .txt file using the Upload button, or drag and drop a file directly onto the input area. The file contents are loaded into the textarea for parsing.
URL Import
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Click URL Import to fetch JSON from any remote address or API endpoint. The request goes directly from your browser to the target server — no intermediary. Great for exploring API responses.
CSV & JSON Export
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Export the table data as CSV (copy to clipboard or download as .csv) or download as formatted JSON. When filters are active, only the visible rows are exported — useful for extracting subsets of your data.
Number Alignment
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Numeric values are automatically right-aligned with tabular number formatting, making it easy to scan and compare numbers across rows — just like in a spreadsheet.
Nested Object Display
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If a cell value is a nested object or array, it is displayed as a compact JSON string. This ensures all data is visible in the table without breaking the layout.
LocalStorage Persistence
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Your input JSON and rendered table data are automatically saved to your browser's local storage. If you close the tab or refresh the page, your data will be restored.
Who Is This Tool For?
API Developers
Quickly visualize API responses by pasting JSON or fetching directly from an endpoint. Sort and filter to find specific records without writing code.
Data Analysts
Explore JSON datasets in a familiar table format. Filter, sort, and export to CSV for further analysis in spreadsheets or BI tools.
Frontend Developers
Preview JSON data that will be rendered in your application. Verify data structure, check for missing fields, and export test data.
QA Engineers
Inspect JSON test fixtures and API responses in a readable table. Filter for specific test cases and verify data integrity.
Database Administrators
View JSON exports from document databases (MongoDB, CouchDB) as structured tables. Export to CSV for relational database import.
Students & Learners
Understand JSON data structure by seeing it rendered as a table. Learn how object keys become columns and array items become rows.
Supported JSON Formats
| Format | Example | Supported |
|---|---|---|
| Array of objects | [{"a":1},{"a":2}] | Yes |
| Nested objects | [{"user":{"name":"A"}}] | Yes (shown as JSON string) |
| Mixed keys | [{"a":1},{"b":2}] | Yes (all keys shown) |
| Single object | {"a":1} | No (must be an array) |
| Primitive array | [1,2,3] | No (items must be objects) |
Tips for JSON Table Viewing
Use URL Import for APIs
Paste an API endpoint URL to fetch and render JSON directly. This is the fastest way to explore REST API responses without writing any code.
Filter before exporting
Use the search box to narrow down rows before copying or downloading. Only the filtered rows are included in the export, making it easy to extract data subsets.
Sort to find outliers
Click numeric columns to sort and quickly find the highest or lowest values. Click again to reverse the sort for the opposite extreme.
Check the column count
If objects have inconsistent keys, the column count may be higher than expected. Missing values in specific rows appear as empty cells.
Copy for spreadsheet use
Use Copy CSV to paste directly into Excel or Google Sheets. The CSV format is automatically quoted and escaped for compatibility.
Format JSON first
If your JSON is minified and hard to verify, paste it into the input — the tool parses it regardless of formatting. You can also use our JSON Formatter tool first.
Privacy & Security
This tool runs 100% in your browser. Your JSON data is never uploaded to any server. All parsing, sorting, filtering, and exporting happens locally using JavaScript.
Your input and table data are saved only in your browser's local storage so they persist when you refresh the page. You can clear them at any time using the “Clear” button. No cookies are used, no analytics track your data content, and no third-party services have access to what you view.