Developer Tools

Onbox Tools

Last updated 2026-07-19 · benchmark checked 2026-09-13 · unchanged since 2026-08-12 — deterministic & reproducible

Onbox Tools offers 110+ free browser-based utilities for text, PDF, JSON, and more.

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To cite this score: legit.show/s/onboxtools-com/2026-09-13. That address never changes; this page moves with every re-measure.

Legit.Show scored Onbox Tools 85/100 on 2026-09-13, measured across all 7 frames from its public surface. legit.show/s/onboxtools-com/2026-09-13

Is Onbox Tools production-ready?

Legit.Show scores Onbox Tools 85 out of 100 — the simple average of its 7 measured frames. 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 Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 96/100
• Accessibility — 89/100
• Security — 45/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 75/100
  How this compares across the catalogue: The Privacy Gap
• 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 — 414 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

Developers · Students · Office workers · Anyone needing utilities

Pricing

Free

Sources and updates

Description

Taken from onboxtools.com's own website on 2026-07-19.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-13.

Put together from public information, without Onbox Tools's involvement. If anything here is wrong, tell us and a person will check it.

Visit Onbox Tools → · Alternatives to Onbox Tools → · How this was measured →