Solved What tool to use to resize cluster size for free without losing data ?

Hi

I just noticed my system SSD cluster size is 512 bytes and I read I should increase it to 4k or more ? Is there free tool to do this without losing data ?

Cluster size is set when you format a partition. You will have to reformat the partition to get a different cluster size, which will erase all the data in that partition.

Ditto what @NavyLCDR said, it's all about how one starts with new things. But sometimes a change is not necessary depending upon what one needs. The basic issue is how much space is used based upon file size being saved as a file can be spread among a number of clusters as needed but the last cluster may not be completely filled, leaves a little slack/free space but no two files can occupy the same cluster, can cause corruption and loss of data. When I format/reformat a drive I usually accept the suggestion, frequently is 4096 Bytes or 4KB. [Have to be careful/more complete now with 4K since monitors use the designation.]

Cluster size depends on the drive size and formatting type.
On a SSD (7 MB– 16 TB) it should be 4K