PostgreSQL to JSON Exporter | Withdata DBToFile

Why Choose DBToFile for PostgreSQL to JSON?

• ✅ Cross-Platform Support: Windows, Linux & macOS
• ✅ Two Modes: GUI + CLI for automation
• ✅ Blazing Fast: Millions of rows in minutes
• ✅ 100% Local & Secure
• ✅ JSON, JSON Array, JSONL Support
• ✅ Dynamic Filenames with Date/Time
• ✅ Full Customization & Batch Export

What You Can Export to JSON

1. Export Single PostgreSQL Table to JSON

Convert any PostgreSQL table to clean JSON with preview, column mapping, and encoding rules. 📷

2. Export PostgreSQL Query Results to JSON

Run custom SQL queries and export filtered results directly to JSON. 📷

3. Batch Export PostgreSQL Tables to JSON Files

Export multiple tables to individual JSON files in one operation. 📷

4. Merge Similar PostgreSQL Tables to One JSON

Combine structurally similar tables into a single JSON file. 📷

5. PostgreSQL to JSON Array

Export data as a formatted JSON array for API and application integration. 📷

6. PostgreSQL to JSONL (NDJSON/LDJSON)

Newline-delimited JSON output ideal for big data and stream processing. 📷

7. Dynamic Filenames with Current Date

Auto-generate filenames with timestamp: sales_#yyyy#_#mm#_#dd#.json 📷

Step-by-Step PostgreSQL to JSON (GUI Mode)

Step 1: Connect to Your PostgreSQL Database

Select PostgreSQL as the database type, enter your PostgreSQL server, port, username, password, and target database (support for SSH/SSL), and connect. 📷

Step 2: Choose Your Export Type

Table 📷, Query 📷, Batch All Tables 📷, or Merge Similar Tables 📷

Step 3: Customize JSON Output

Set format (JSON / JSON Array / JSONL), filename (static/dynamic), encoding, columns, and date formats. 📷

Step 4: Export & View

Click Start Convert, view real-time progress, and open the JSON file instantly. 📷

CLI Mode for Automation & Scheduled Tasks

Save GUI settings as a session, then run via script for fully automated exports. 📷

Automate exports with command-line mode for cron jobs or Windows Task Scheduler:

Key Features & Customization

• JSON Array with custom root name
• ISO 8601 & custom date/time formatting
• Rename, exclude, and reorder columns
• Error logging and export statistics
• Bulk processing with low resource usage
• Preserve null values, Unicode, and special characters

FAQ

How long does it take to export PostgreSQL to JSON?

100,000 rows in seconds; millions of rows in minutes.

What PostgreSQL versions does DBToFile support?

DBToFile support PostgreSQL 9.x, 10, 11, 12, 13, 14, 15, 16, 17, 18.

Can I export on Linux or macOS?

Yes, native builds for all major operating systems.

Is my data secure?

All conversions run locally — no data is uploaded to any server.

How to use dynamic filenames?

Use tags: #yyyy#, #mm#, #dd#, #hh#, #mi#, #ss#.

Does it support JSONL?

Yes, select JSON Lines as the target format.