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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Reference for HTTP Strict Transport Security headers and preload lists.
Open HSTS PolicyDeveloper & Design
Build HTML datalist elements for input autocomplete suggestions.
Open Datalist GenYour specific task is reference for http strict transport security headers and preload lists. Open the page, drop your input, get the result — typically under a second.
Your goal is build html datalist elements for input autocomplete suggestions. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. HSTS Policy focuses on reference for http strict transport security headers and preload lists; Datalist Gen focuses on build html datalist elements for input autocomplete suggestions. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both HSTS Policy and Datalist Gen work without signup. We only ask for an email if you decide to subscribe to a paid plan.