Database Tools

Format and beautify your SQL queries with proper indentation

Convert CSV data to SQL INSERT statements with automatic table creation

Build GraphQL queries visually

Convert SQL queries to MongoDB syntax. Translate SELECT, INSERT, UPDATE, and DELETE statements.

Convert JSON arrays into SQL INSERT statements with inferred column types and optional CREATE TABLE output

Decode MongoDB ObjectIds into creation timestamps, random values, and counters. Build date-range query boundary ObjectIds. Free, offline, no upload.

Parse CREATE TABLE statements and visualize tables, columns, and key relationships as an ER diagram

Open SQLite files in your browser, browse tables, and run SQL queries — nothing is uploaded

Run SQL SELECT queries on pasted or uploaded CSV files in your browser — WHERE, GROUP BY, HAVING, ORDER BY, aggregates and JOINs across files, with CSV or JSON export.

Explain INNER, LEFT, RIGHT, FULL, CROSS, and self joins with Venn diagrams and sample tables showing exactly which rows survive.

Open Apache Parquet files in your browser to inspect row counts, row groups and column schema, preview the first rows, and export to CSV or JSON. No upload — parsed locally.