Privacy notice
This notice describes this copy of the tool as built. It has no operator contact yet because it has not been published.
Your audio stays on your device
The file you choose is read and edited inside your browser. It is never sent to a server.
Scripts on the page cannot send network requests (Content Security Policy “connect-src 'none'”). The browser only loads the page’s own files from the site.
The edited file is kept in browser memory until you close the page or open another file. Downloads go where your browser saves files.
Nothing else is collected
No account or sign-in.
No cookies, no local storage, no analytics and no advertising scripts.
The page address never contains your file name, audio, rules or results.
The sample
The sample is generated in your browser each time (plain test tones). It contains no recording of a person.
When the site is hosted
A web server that hosts these pages may keep ordinary access logs (which page was requested). The included local server keeps none unless started with a log option for testing.