Mobile SSH key diagnostic tool.
A local-first developer utility that helps users understand why an SSH key works on desktop but fails on mobile, without uploading private keys to a remote server.
Evidence and interpretation
This is a small expert workflow, not a broad productivity app. Its value depends on clear diagnostics and trust around key handling.
Why this is worth validating
Recent Termius App Store review signals in Weekly Brief 01 included users describing SSH key problems where desktop access worked but mobile access failed, with insufficient troubleshooting support.
A local diagnostic tool that checks key format, algorithm compatibility, passphrase status, known-host issues, permission assumptions, and likely server configuration mismatches.
Import or paste a key locally, parse metadata without uploading secrets, show compatibility warnings, and produce a checklist of commands or settings to verify.
The narrow buyer is a semi-technical developer, operator, or student who can use SSH but does not want to spend an afternoon debugging key formats and mobile-client behavior.
Publish a guide titled around "SSH key works on desktop but fails on iOS" and offer a local checklist tool. Measure downloads or email signups from the guide.
Advanced users can troubleshoot manually. The product must be clearer, safer, and faster than searching Stack Overflow threads.
Search intent this page can capture
Searches such as SSH key works on desktop but not mobile, Termius SSH key error, iOS SSH key format, and mobile SSH troubleshooting already contain the problem statement. The page should lead with a diagnostic checklist and local privacy promise.
48-hour validation plan
- Write the troubleshooting guide. Cover common key format, algorithm, and host configuration mismatches.
- Build a local parser demo. Show metadata and warnings without transmitting private keys.
- Recruit from technical communities. Ask users to test against a non-sensitive key and report whether the checklist shortened debugging time.