Your images stay on your device.
Files are processed locally in your browser and are never uploaded.
What Preflint does not collect
Preflint Web has no account system, AI, analytics, telemetry, advertising, session replay, remote image processing, or backend file upload service. It does not send file names, image bytes, or parsed metadata to a server.
Temporary browser memory
Selected files may temporarily exist as browser File, Blob, ArrayBuffer, worker messages, decoded pixel buffers, and object URLs. Preflint does not put user files in cookies, localStorage, or IndexedDB. Object URLs are revoked when assets are removed, replaced, downloaded, or cleared.
Exports
Corrected outputs are created only after user action. Original files are never changed. Generated outputs are reopened and reanalyzed before being marked ready.
Network behavior
App code and static assets load from the Preflint site. Image processing does not make file-content network requests and no third-party analytics or remote font scripts are present.