Database Tools
SQL formatting, JSON to SQL conversion, and Prisma schema generation. Everything runs locally in your browser.
Featured Guides & Tutorials
Deepen your knowledge with these related guides and tutorials.
Why Use SQL Tools Online?
Working with databases is a core part of backend development. From formatting complex SQL queries for readability to converting JSON data into SQL INSERT statements for database seeding, having the right database tools online streamlines your workflow. Our SQL formatter and conversion tools run entirely in your browser — sensitive database schemas and data never leave your computer.
SQL Formatter
Format and beautify SQL queries with proper indentation, line breaks, and keyword capitalization. Our SQL formatter online supports SELECT, INSERT, UPDATE, DELETE, and complex JOIN queries.
JSON to SQL Converter
Convert JSON data arrays into SQL INSERT statements for database seeding. Supports custom table names, column mapping, and batch insert generation.
Prisma Schema Generator
Generate Prisma schema files from your database models. Define models, relations, enums, and attributes with a clean, type-safe syntax.
Database Best Practices
Format SQL Before Code Review
Use our SQL formatter online to ensure consistent formatting across your team's database queries. Clean formatting makes complex queries easier to review and debug.
Seed Databases with Realistic Data
Use our JSON to SQL converter to generate seed data from JSON exports or API responses. Realistic seed data helps catch edge cases during development.
Use Prisma for Type-Safe Queries
Prisma provides type-safe database access with auto-generated TypeScript types. Use our schema generator to bootstrap your Prisma models quickly.
Always Backup Before Migration
Before running generated SQL scripts on production databases, always create a backup and test the migration on a staging environment first.
Frequently Asked Questions
Are these database tools free?
Yes, all SQL and database tools are completely free with no usage limits or sign-up required.
Is my SQL data safe?
Yes. All processing happens locally in your browser. Your queries and data are never sent to any server.
Can I convert JSON to SQL for any database?
Our JSON to SQL converter generates standard SQL INSERT statements compatible with MySQL, PostgreSQL, SQLite, and most relational databases.