eKW.downloader is a free Chrome add-on developed by tomasz.wilk. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools program. This handy tool allows users to easily download copies of KW (Księga Wieczysta) from the Ministry of Justice portal.

With eKW.downloader, users can simply input the KW number and solve the Captcha. Afterward, they can select the "dotychczasowa postać" option, click on the extension, and wait for it to complete all the sections. The file will automatically be downloaded as an HTML file.

The latest version, v1.3, has extended the download time and now displays a message if the download fails for very large KW files. Overall, eKW.downloader provides a convenient and efficient solution for accessing and saving KW files from the Ministry of Justice portal.