SQL formatter
SQL formatter lets you format PostgreSQL, MySQL, or SQLite SQL without connecting to a database in your browser.
6 tools
SQL and test data
SQL IN clause generator
SQL IN clause generator lets you generate IN predicates with deduplication, NULL handling, and dialect quoting in your browser.
JSON/CSV → INSERT
JSON/CSV → INSERT lets you convert JSON or CSV to reviewable dialect-aware INSERT statements in your browser.
SQL placeholder converter
SQL placeholder converter lets you convert named placeholders while preserving SQL strings and comments in your browser.
Mock data generator
Mock data generator lets you generate fictional seeded JSON, CSV, or SQL data from column definitions in your browser.
Database size estimate
Database size estimate lets you estimate database size from rows, mean size, indexes, overhead, and replicas in your browser.