SCT is legacy and read-only here
SCT (Scitex CT) is a legacy high-end prepress format. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new SCT files.
Looking for PNG to SCT? Here's why SCT isn't an output option — and the modern formats to use.
We don't create SCT files — it's a legacy format that's effectively read-only. Here's what to convert to instead.
SCT (Scitex CT) is a legacy high-end prepress format. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new SCT files.
For a file that opens everywhere, convert your PNG to JPG, TIFF or WEBP instead.
PNG is a lossless raster format with full transparency. It keeps every pixel intact, making it ideal for logos, icons, screenshots and graphics with sharp edges.
How to open PNG opens in every browser and image viewer, plus Photoshop, GIMP, Preview and Photos.
Full PNG format guideSCT (Scitex Continuous Tone) is a high-end prepress format from Scitex systems, used in professional print production and drum scanning.
How to open SCT opens in Photoshop (legacy) and prepress software; convert to TIFF/CMYK for current print workflows.
Full SCT format guide