Effective from August 12, 2026. MD Visor is operated by Petr Vaněk, contact petr@mvstudio.cz.
Everything you create in MD Visor - Markdown documents, referenced images and CSV files, exported PDFs - is stored exclusively locally on your own computer, wherever you choose to save it. None of this content is ever uploaded to a server, and we have no access to it. PDF export goes only to a location you choose yourself (a file on disk).
The app's own settings (theme, page setup, recently opened files, snippets) are stored
locally too, in %LocalAppData%\MdVisor on your computer.
These two features clean up text (smart quotes, em dashes, and similar artifacts common in AI-polished text) using a fixed set of local rules built into the app. No text you clean with either feature is ever sent to an external AI service or anywhere else - the cleanup happens entirely on your own computer.
Shortly after each launch, the app sends a short, anonymous message to
fotoventus.cz in the background, used only to check whether a newer version
of MD Visor is available and to notify you inside the app if so. It sends:
The server also records the IP address this request comes from (standard for any web request) and derives the country it geolocates to, using a local database on our own server - not a lookup sent to any third-party service. The IP address itself is kept in the same server log as the items above.
We use this data only to operate the update-check notice and for general, anonymous statistics on which versions are in use and roughly where from, for as long as reasonably necessary. It's never shared with third parties, and never used for advertising or cross-site tracking. If the server can't be reached, the app carries on normally without any interruption or notice.
Since all of your document data stays only on your own computer, we have no way to display, correct, or delete it - you're always in full control of it yourself. Regarding the data described in "What's sent automatically" (the device hash), you can request information about it or ask for it to be deleted at any time by writing to petr@mvstudio.cz.
Any future changes will be published on this page with an updated effective date.