NIfTI¶ The NIfTI data format driver supports NIfTI v1 and v2. URL syntax¶ KVSTORE-URL.nii|nifti: Examples¶ https://s3.amazonaws.com/openneuro.org/ds005891/sub-03/ses-01/anat/sub-03_ses-01_T1w.nii.gz|gzip:|nifti: ProactionLab (2025). RSfMRI. OpenNeuro. [Dataset] Auto detection¶ NIfTI files are detected automatically based on the signature at the start of the file.