Czkawka vs Duplicate File Detective
| Czkawka | Duplicate File Detective | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, Linux, macOS, Windows | Windows |
| Free plan | Yes | No |
| Platform coverage | cross-platform | windows |
| Scan locations | User-selected directories and files | local drives; network shares; NAS devices; removable storage; file server shares |
| Match methods | File name, file size, full-file hash, and combined size plus name | file name; extension; file size; CRC32; MD5; SHA-1; SHA-256; SHA-512; byte-for-byte content; visual image comparison; document properties; audio tags |
| File preview | Yes | Yes |
| Automatic selection | Yes | Yes |
| Recycle Bin / Trash | Yes | Yes |
| Folder exclusions | Yes | Yes |
| Paid from | — | 30 one-time |
Both are listed in Best Duplicate File Finders. On Samsung Mobile US Press, Czkawka scores higher on our published basis.