: Locate the "Screen Size" or "Resolution" dropdown and select Custom to enter 128 for width and 160 for height.

Finding a tool that outputs exactly 128x160 with the correct codec support is difficult. Most software considers this resolution "obsolete." That is why having a dedicated is essential.

: Many standard tools default to "best fit" rather than a hard 128x160 crop, which can lead to display errors on legacy screens. Codec Compatibility : Old devices frequently require

In the past, specific tools were designed exclusively for mobile video conversion. You may find these on older software archives, though they are rarely updated: