All tags5 tools
SQL tools
Free, browser-based SQL utilities — pick one to get started.
CSV SQL Query Editor
Run SQL SELECT queries on CSV and TSV files instantly in your browser.
CSV · SQL
Open →DuckDB File SQL
Run DuckDB SQL on CSV, JSON, Parquet, and SQLite files in the browser.
DuckDB · SQL
Open →Log File SQL Analyzer
Query any log file with SQL — nginx, Apache, syslog, and JSON logs.
Logs · SQL
Open →Postgres Migration Safety Checker
Preflight unsafe PostgreSQL migrations for locks and blocking DDL.
Postgres · SQL
Open →SQL Formatter & Linter
Lint, format, and rewrite SQL across Postgres, MySQL, Snowflake, and BigQuery.
SQL · Format
Open →Other tags
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