Klystor analyzes your computer’s storage and helps you clean it up safely: a dry run before every deletion, another check right before acting, and the Trash by default.
A fast scan of the whole disk, then a cleanup you control, item by item.
Klystor scans the whole disk in a few minutes and sorts what it finds: caches, build folders, large files, duplicates. The explorer and the history show how your space changes over time.
Every item is rated by risk. You see what would be deleted and how much space you gain before anything happens, then Klystor checks everything again right before acting.
Build folders and tool caches often take up tens of gigabytes. Klystor finds them, explains what they contain and cleans them up properly.
Identical files detected by their contents, not just their names.
Plain-language search and clear explanations. Off until you turn it on.
Files already in iCloud Drive, Google Drive, OneDrive or Dropbox stay visible but are no longer kept on the disk.
Copy your large files to the cloud or an external drive; each copy is verified before the space is freed.
Find what Klystor moved to the Trash and put it back in one click.
Klystor lets you know when caches can be freed, without deleting anything on its own.
Klystor never deletes anything without showing you first.
Klystor scans the disk and rates every item by risk: cache, check, protected.
You see what would be deleted and the space gained, before anything happens.
Each item is checked again right before acting, then moved to the Trash.
Choose your system. The recommended file is at the top of the list.
Open the .dmg and drag Klystor to Applications. On first launch: right-click the app › Open.
If SmartScreen shows “Windows protected your PC”: More info › Run anyway.
sudo apt install ./Klystor_0.7.1_amd64.deb or sudo dnf install ./Klystor-0.7.1-1.x86_64.rpm; for the AppImage: chmod +x, then run it.
Countries estimated by DB-IP. No IP address is stored.
macOS, Linux : shasum -a 256 <file> · Windows : Get-FileHash <file>
Beta version: the packages are not yet signed with a publisher certificate. Your system will ask for confirmation on first launch, as explained under each file.
Yes, Klystor is free during the beta. Updates reach you automatically.
No. Analysis and cleanup happen entirely on your computer. Only the AI assistant, which is optional and off by default, sends the names of the items you ask it to explain. Details are on the Privacy page.
Yes: by default, Klystor moves files to your system’s Trash or Recycle Bin. Developer tool cleanups (build folders, Docker images) only touch items those tools can recreate.
No. The file stays in iCloud Drive, Google Drive, OneDrive or Dropbox and on your other devices; only the copy on this computer is removed. It downloads again as soon as you open it. Available on macOS and Windows.
During the beta, the packages are not yet signed with a publisher certificate. The installation guide shows what to do for each system; it takes a few seconds.
macOS 11 or later (Intel and Apple Silicon), 64-bit Windows 10 and 11, and 64-bit Linux: Debian, Ubuntu, Mint, Fedora, openSUSE and, with the AppImage, every other distribution.
Yes. The app follows your system language (English or French); you can change it in Settings › Language.
Nothing is deleted without your consent.
