JSON to PostgreSQL Converter — Free Online Tool
Convert JSON data files to PostgreSQL SQL with CREATE TABLE and INSERT statements. Upload your JSON array and download a .pgsql file ready to import into PostgreSQL.
Convert in Three Steps
The whole process takes under a minute, even for large files.
Upload your file
Drag and drop or click to browse. SQL, SQLite, CSV and JSON files up to 50 MB are accepted.
Pick your target
Select the output format. The source format is detected automatically from your file.
Download the result
Your converted file is ready in seconds. Import it directly into your database.
Every Syntax Difference Handled Automatically
PostgreSQL is the preferred database for modern web applications and data warehouses. When you have data in JSON format from an API or NoSQL database and need it in PostgreSQL, our converter generates a clean .pgsql file with proper CREATE TABLE and INSERT statements using PostgreSQL syntax.
psql -U postgres -d mydb -f output.pgsql. Review the generated schema and adjust column types as needed. Related Conversions
Other conversions you might need alongside JSON to PostgreSQL.
Common Questions
Yes. The output uses PostgreSQL-compatible CREATE TABLE and INSERT statements with double-quoted identifiers.
Nested objects are stored as TEXT. Use PostgreSQL's JSONB type for native JSON storage after importing.
Arrays of objects and keyed objects (where each key is a table name) are both supported.
Related Conversions
Ready to Convert Your JSON to PostgreSQL File?
Upload your file above and get a converted result in under a minute. No account, no cost, no catch.