Why Tools Ku
- Free, no signup
- Browser-local, not uploaded
- No install
- Desktop & mobile
Mermaid Preview: Render flowchart/sequence diagram source (mermaid). Runs instantly in the browser.
Free, no signup.
Steps
- Paste code, config, or command
- Choose language/format options
- Run format/convert/preview
- Copy result to project
FAQ
- Do I need to sign up to use Mermaid Preview?
- No. All Tools Ku features are free with no registration.
- Does Mermaid Preview upload my data?
- No. Processing happens in your browser; data is not uploaded to toolsku.com.
- vs IDE?
- Zero-setup online helper.
- Languages?
- See on-page support list.
- Does it work on mobile?
- Yes. For large files, use Wi-Fi for a smoother experience.
- Can I download the result?
- Yes. Copy text output or use the download button when available.