Privacy

When you upload a photo, finding the calibration sheet, removing the background and tracing the tool all happen on this device. The photo is not sent anywhere.

Each traced tool (a reduced, perspective-corrected image of the sheet and the tool’s outline) is stored only in this browser’s storage, so it is still there next time. Select an uploaded tool and choose Remove to delete it, or clear this site’s data in your browser settings to delete everything. At most 20 uploads are kept; older ones are removed first.

The first time you upload a photo, the app asks before it downloads the background-removal AI model (about 88 MB) from Hugging Face (huggingface.co). It also loads the onnxruntime engine that runs the model from jsDelivr (cdn.jsdelivr.net). Both are cached by your browser. Those services see an ordinary download request (your IP address and browser details), as with any website; they never receive your photos.

The app is hosted on Cloudflare Pages, which serves its files and may keep standard request logs for security and operations.

There are no analytics, no advertising, no accounts and no cookies.