Convert pict to heif
A browser can't do this one — here is what it can do.
Desktop app only
Nothing that runs in a tab can write heif from pict. This pair is waiting on the desktop build, which hands the job to the real command-line tools.
Browse what does workAbout PICT
Apple PICT
The classic Mac OS graphics format, built on QuickDraw drawing commands, which can hold vector shapes and bitmaps together. Mac OS X replaced it with PDF-based graphics. Convert from PICT to open clip art and screenshots from classic Mac OS.
About HEIF
High Efficiency Image File Format
An MPEG container standard (ISO/IEC 23008-12) from 2015 for single images and image sequences. It can hold HEVC, AV1 or other codecs, along with depth maps and bursts. Convert HEIF to JPG or PNG for apps and sites that cannot read it.