Developer Tools
Onbox Tools
Last updated 2026-07-19 · benchmark measured 2026-07-19 — deterministic & reproducible
Onbox Tools offers 110+ free browser-based utilities for text, PDF, JSON, and more.
Overall production-readiness score — reserved
Legit.Show benchmarked Onbox Tools across all seven frames. The single overall score is shown to the verified maker; the frame-by-frame breakdown is public below.
Is Onbox Tools production-ready?
Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Onbox Tools (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. The per-frame breakdown is public on the Legit.Show listing; the single overall production-readiness score is reserved for the verified maker.
The 7 Frames
- Performance — 93/100
- Accessibility — 89/100
- Security — 45/100
- Privacy — 30/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 142 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
Who it's for
Developers · Students · Office workers · Anyone needing utilities
Pricing
Free