Design & Creative

UI Design Editor

Last updated 2026-10-19 · benchmark measured 2026-11-06 — deterministic & reproducible

UI Design Editor is a free browser-based mockup and UI design tool.

Are you the maker of UI Design Editor? Claim this listing. It is free, takes a meta tag, a DNS record or GitHub admin rights, and never changes the score.

Launched something? Add your product, free.

To cite this score: legit.show/s/uidesigneditor-com/2026-11-06. That address never changes; this page moves with every re-measure.

Legit.Show scored UI Design Editor 78/100 on 2026-11-06, measured across all 7 frames from its public surface. legit.show/s/uidesigneditor-com/2026-11-06

Is UI Design Editor production-ready?

Legit.Show scores UI Design Editor 78 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on UI Design Editor (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 — 47/100
• Accessibility — 95/100
• Security — 45/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 70/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 100/100

What we measured

• Security headers present: X-Content-Type-Options, Referrer-Policy.
• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 1665 ms to first byte.
• Returns a proper 404 for unknown routes.
• 2 of 2 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who built it

Jan Metz (@janxpm)

Who it's for

UI designers · AI assistants · Product teams · Design collaborators · Developers

Pricing

Free

Sources and updates

Description

Taken from uidesigneditor.com's own website on 2026-10-19.

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 2026-11-06.

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

Visit UI Design Editor → · Alternatives to UI Design Editor → · How this was measured →