Privacy

One document, two surfaces. This page covers the Stitchgrid browser workbench on imagetocrochetpattern.com and the native iOS app as separate products. They are both local-first; they do not store work the same way.

Browser workbench

The workbench is local-first. A picture you choose is decoded with the browser’s own image decoder and charted in the tab. There is no upload unless you explicitly turn on the optional image-preview checkbox and press Prepare AI draft. Browser charts are not persisted between browser visits. Closing the tab clears the chart; nothing is saved between visits.

• No accounts and no sign-in of any kind.
• The original picture and generated chart stay in the tab.
• No analytics, no tracking pixels, no advertising, and no cookies set by the app.
• The optional AI request is not joined to an account, analytics profile, or saved chart.

Optional AI chart draft

If you press “Prepare AI draft,” the description you typed is sent to our Cloudflare-hosted AI intake service. A picture is included only when you explicitly turn on the image-preview checkbox; the browser first converts it to a reduced JPEG with a maximum side of 512 pixels. The service returns editable suggestions for chart width, colour count, preparation notes and whether to review isolated squares. It does not generate the chart, calculate gauge, identify a yarn brand, or promise finished-pattern accuracy. We do not intentionally store the description, preview or returned draft. If the AI service is unavailable, no settings change and the regular local controls remain available.

Native iOS app

The native iOS app processes a selected photo on-device. The system photo picker supplies image data for in-memory, on-device processing. Native projects are saved locally. Source photos are not stored with projects. Exports are temporary until user-directed sharing. The native app initiates no network requests.

When you save a project, Stitchgrid writes it to local application storage on the device. A saved project keeps a title; the deterministic pattern grid, palette and cells; the fixed display label “Selected photo”; timestamps; a UUID identity; and export metadata. It does not persist source image bytes, photo URLs or paths, EXIF, or photo-library identifiers.

PNG and PDF files are written to local temporary storage and presented through the Apple system share sheet. Stitchgrid does not automatically upload those files. If you choose an external share destination, that destination may transfer or process the file under its own terms.

• No account system and no sign-in.
• No analytics, tracking SDK, advertising SDK, or third-party SDK in the native app.
• No app-initiated network implementation.
• The app’s privacy manifest declares no tracking and no collected data types.

What this page does not claim

This page describes Stitchgrid’s own browser workbench and native app. It does not describe Apple services, an external share destination you choose, or the site’s hosting provider. Those behaviours are outside what this document can verify.

Hosting and third parties

Pages on this site are served from imagetocrochetpattern.com. They do not load third-party scripts, fonts or tracking pixels — the workbench bundles its fonts and code with the page.

Contact

Questions about this page: hello@imagetocrochetpattern.com.