Productivity

OBSCURA OS

Last updated 2026-09-05 · benchmark measured 2026-09-05 — deterministic & reproducible

Browser-based office and privacy tools that store nothing and require no account.

Is OBSCURA OS production-ready?

Legit.Show scores OBSCURA OS 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on OBSCURA OS (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 88/100
• Accessibility — 95/100
• Security — 45/100
• Privacy — 100/100
• Reliability — 100/100
• Standards — 82/100
• Discoverability — 100/100

What we measured

• Security headers present: X-Content-Type-Options, Referrer-Policy.
• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 133 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Privacy-conscious users · Document editors · Security professionals · Organizations handling sensitive data

Pricing

Free tier; $9 Pass for full Sovereign Suite access

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