Productivity
TheFreeOnlineCalculators.com
Last updated 2026-09-10 · benchmark measured 2026-09-10 — deterministic & reproducible
A free web toolkit with 100+ unit converters, calculators, generators, and text tools.
Is TheFreeOnlineCalculators.com production-ready?
Legit.Show scores TheFreeOnlineCalculators.com 82 out of 100 — the simple average of its 5 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on TheFreeOnlineCalculators.com (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Standards. 5 of the seven frames returned a score; Performance and Accessibility were not measurable on this service and are recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — not measurable on this service (null — not scored as 0)
- Accessibility — not measurable on this service (null — not scored as 0)
- Security — 80/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 45/100
- Discoverability — 85/100
What we measured
- Security headers present: CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- No HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 1169 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 built it
product account @FreeTools
Who it's for
Students · Professionals · Developers · General users
Pricing
Free
Visit TheFreeOnlineCalculators.com → · Alternatives to TheFreeOnlineCalculators.com → · How this was measured →