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Prepare a Japanese explanation PDF in three free steps. Optionally use a photo to help describe the item and search for nearby places to report it. The PDF stays in Japanese whichever language you use here.
Select a photo, crop to the item and review suggested item types and colours. Edit before applying. Analysis runs on your device; first use downloads a recognition model. Suggestions may miss items or colours. Brand, serial number and material are never filled automatically.
Choose “Use my location” or enter an area or station. Open a nearby kōban or operator lost-property search. Your current location is separate from where the item was lost or found. A listing does not mean your item is held there.
One JSON record supplies the form and Japanese PDF. If you have both a lost-report and a found-report JSON, compare seven item fields manually. There is no automatic search across users or submission to police.
This sheet helps explain what happened. Official acceptance is handled by the police or responsible facility; creating the sheet does not complete a report or handover.