Try out LTSpice to SVG

Upload .asc file

Example .asc file... example.asc

Compile errors will be written as comments at the top of the svg file

Max .asc file size is 1MB

Try out Problem to pdf

Upload one .prb file and all associated image files (generally .asc files)
Use CTRL key to select multiple files

Example .prb file... currMirror01.prb and associated image file... currMirror01a.asc

Total of all uploaded files is 1MB