Smart AI Code
Tools
/tools/json-formatter
JSON formatter / validator
Online JSON formatter: beautify, minify, and validate—locally in your browser.
/tools/xml-formatter
XML formatter
Beautify, minify, and validate XML in your browser.
/tools/markdown
Markdown preview
Markdown preview: edit on the left, live HTML on the right.
/tools/csv-json
CSV ↔ JSON
Convert CSV to JSON and JSON to CSV online.
Play
🏎️
Speed 3D
Iconic tracks, smooth drift-charging, mini-boost, double-boost, nitro surges, and item races. Start playing immediately in your browser.
9️⃣
Sudoku
Classic 9×9 Sudoku with notes, timer, and validation. Play free online.
🔤
Word Guess
Guess the 5-letter word in six tries. Color hints show correct letters.
🧱
Breakout
Bounce the ball, clear bricks, chase high scores. Keyboard or touch.
News
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Blog
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Step-by-Step Guide to the GreatSQL Learning Center: From Registration to Certification
Step by Step Guide to the GreatSQL Learning Center: From Registration to Certification GreatSQL Learning Center https://learn.greatsql.cn is now offic...