DoubleKiller vs fdupes
| DoubleKiller | fdupes | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Windows | Linux |
| Free plan | Yes | — |
| Paid from | 19.95 one-time | — |
| Platform coverage | windows | — |
| Scan locations | Directories, complete drives, network computers; Pro also supports ZIP archives and catalog files | specified directories; subdirectories; symlinked directories |
| Match methods | File name, file size, modification date, content, CRC32 fingerprint, and byte-per-byte comparison in Pro | file size; MD5 signature; byte-by-byte comparison |
| Automatic selection | Yes | Yes |
| Recycle Bin / Trash | No | — |
| Folder exclusions | No | — |
Both are listed in Best Duplicate File Finders. On Inferse, fdupes scores higher on our published basis.