Hello World Multi-Language Guide
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Edit the output text in the box above — it defaults to Hello World
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The cards below show the matching code in 23 programming languages in real time
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Click "Copy" on a card to grab one snippet, or use "Copy all / Export" to take them all
✅Great for
- Learning to code: compare languages side by side to grasp basic syntax
- Environment check: run a Hello World to verify a new language toolchain
- Teaching & demos: show many languages on one page, easy to explain and share
💡Tips
- Change the output text and every language snippet updates instantly
- Copy a single language, or copy all / export as JSON/TXT/CSV
- Code is shown as-is (including < > & symbols) — copy and run it directly
Hello World is the first program in almost every language, used to verify your setup works and to show the most basic way to print output. Seeing many languages side by side is a great way to learn and look up syntax fast.
🔒 Runs entirely locally in your browser, nothing is uploaded; supports custom output, one-click copy and batch export — no install, no signup.