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Two privacy & security tools, side-by-side. See which fits your task.
Privacy & Security
Rsa Prime Gen — RFC-compliant cryptography in your browser.
Open Rsa PrimePrivacy & Security
Compute SHA1 checksum of a file. Drag-and-drop, no upload to server.
Open sha1 fileYour specific task is rsa prime gen — rfc-compliant cryptography in your browser. Open the page, drop your input, get the result — typically under a second.
Your goal is compute sha1 checksum of a file. 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. Rsa Prime focuses on rsa prime gen — rfc-compliant cryptography in your browser; sha1 file focuses on compute sha1 checksum of a file. 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 Rsa Prime and sha1 file work without signup. We only ask for an email if you decide to subscribe to a paid plan.