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Format, validate, and minify SQL queries for PostgreSQL, MySQL, SQLite, T-SQL, Oracle, and BigQuery with dialect-aware keywords and custom indentations.
SELECT u.id, u.username, u.email, COUNT(o.id) AS total_orders, SUM(o.amount) AS total_spent FROM users u LEFT JOIN orders o ON u.id = o.user_id WHERE u.status = 'active' AND u.created_at >= '2026-01-01' GROUP BY u.id, u.username, u.email HAVING COUNT(o.id) > 2 ORDER BY total_spent DESC LIMIT 50;
Types, psql commands, and queries — go from formatting SQL to writing it fluently.
Interactive Git graph & CLI sandbox
Master Git branching, rebases, merges, cherry-picks, detached HEAD, and stashes with a live reactive DAG graph and interactive terminal.
Typing test for developers
Practice everyday typing, code symbols, terminal commands, and long-form developer text. Tracks WPM, accuracy, streak, and consistency score.
Live markdown preview
Split-pane markdown editor with real-time preview. Perfect for writing README files, documentation, and blog posts with export to HTML.
Visual gradient generator
Build linear, radial, and conic CSS gradients visually. Add stops, adjust angles, and copy ready-to-use CSS or Tailwind classes.
Mermaid diagram editor & previewer
Interactive Mermaid diagram editor with live SVG rendering, theme selection, presets, zoom/pan canvas, and export to SVG, PNG, and .mmd.
Generate & Read QR Codes
Create custom QR codes for URLs, Wi-Fi, Contacts, and Text with color & logo options, or upload/scan QR codes to decode content instantly.