JSON to SQL Converter

Table name

CREATE + INSERT

INSERT only

JSON (object or array of objects)

SQL

CREATE TABLE "users" (
  "id" INTEGER,
  "name" TEXT,
  "active" BOOLEAN,
  "joined_at" TIMESTAMP
);
INSERT INTO "users" ("id", "name", "active", "joined_at") VALUES (1, 'Ada Lovelace', TRUE, '1843-01-01');
INSERT INTO "users" ("id", "name", "active", "joined_at") VALUES (2, 'Alan Turing', FALSE, '1936-06-01');

JSON to SQL Converter — Free Online Tool

Converts a JSON array of objects into SQL INSERT statements for a target table, or a single JSON object into a CREATE TABLE statement with inferred column types — useful for seeding databases, migrating small datasets, and generating fixtures from API responses.

How to use the JSON to SQL Converter

Open the tool above — it runs entirely in your browser, so your input never leaves this page.
Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
Copy the result from the output area with the copy button orCtrl/Cmd + C.
No signup, no upload, and no tracking — repeat as often as you need.

Frequently asked questions

Is the JSON to SQL Converter free to use?

Yes. The JSON to SQL Converter is completely free, with no signup, no ads inside the tool, and no hidden limits.

Does the JSON to SQL Converter upload my data?

No. The JSON to SQL Converter processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.

Does the JSON to SQL Converter work offline?

After the page loads, the JSON to SQL Converter runs entirely in your browser, so it keeps working without a network connection.

Free & private — why use this JSON to SQL Converter

The JSON to SQL Converter runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.

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