London, 2018
Sold, then shredded
Banksy's Girl with Balloon sold at Sotheby's for £1.04 million. Moments later a hidden shredder in the frame destroyed half the canvas. The shredded version later sold for £18.6 million.
Source: WikipediaMain use
Speak or type what your item is and using AI it will pull all the details.

Most people do not want to manage a spreadsheet just to track what they own. Which phones do we have in the house? Was there an old one in a drawer somewhere? Kistje helps you easily add, track and resell when the time comes. Speak or type a description and it extracts every detail. No spreadsheets, no barcodes, no fuss. Whether it's electronics, furniture, or collectibles, Kistje keeps everything organized in one place. Track purchase prices, warranty dates, and estimated current value automatically. When you're ready to sell or donate, all the information is already there. Just one click to list it on marketplaces. Stop wondering what you own and start knowing exactly what's in your home.
Read more →How it works
Describe it
Speak or type an item in plain words. 'MacBook Pro, €2500 last year' is all you need.
AI fills the rest
Category, price, warranty date, room and a photo are added automatically. Zero forms.
Know its worth
Track total value over time and jump straight to the right resale marketplace with one click.
Start your inventory in seconds

No camera? No problem
No need to add a photo immediately when adding an item. Kistje will find one from Unsplash if it's a common item. That's enough for your inventory. When you're ready easily add your own photos.
Read more →In the news
London, 2018
Banksy's Girl with Balloon sold at Sotheby's for £1.04 million. Moments later a hidden shredder in the frame destroyed half the canvas. The shredded version later sold for £18.6 million.
Source: WikipediaSomerset, 2019
A man paid £1 for what he thought was an ornamental vase at a car boot sale. It turned out to be a rare 15th-century Chinese porcelain piece. It later sold at auction for £500,000.
Source: The GuardianeBay, 2004
A single Pringle crisp said to resemble Pope John Paul II was listed on eBay for $1 with no reserve. It attracted multiple bids before the listing was removed. One of many novelty food auctions the platform has hosted.
Source: BBC NewsNew York, 2021
A retired couple paid $35 for a decorative bowl at a tag sale. A visiting friend suspected it was old. It was. A rare 15th-century Chinese imperial piece that fetched $722,000 at Sotheby's.
Source: WikipediaAmsterdam, 2016
A Dutch family kept a painting in their garage for decades, thinking little of it. It turned out to be a 17th-century work by a follower of Rembrandt. It sold at auction for €165,000.
Source: NOSParis, 2014
Workmen clearing an attic in Compiègne found a small bowl wrapped in newspaper. It was a rare 18th-century Chinese porcelain piece. It sold at Drouot auction house for €26 million, a world record at the time.
Source: BBC News