Help
Back home1
Pick a tool
Choose extract, generate, suffix replace or IDN convert.
2
Enter values
Paste text, domains or a number range; results update in real time.
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Copy / download
Copy the result or download it as a txt file.
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Note
Everything runs locally; no data is uploaded.
FAQ
No. All processing happens locally in your browser.
Up to 100000 per run; set a sensible number range and suffix count.
Yes. It converts between Unicode/Chinese domains and Punycode (xn--).