Svg Merge Paths Online. Zooming changes the viewBox not the path. Drop in multiple files ungroup shapes and mix a perfect SVG just you need.
SVG file can create by Text editor or Inkscape Illustrator etc software. Interval Preview Minify output. Choose an image in PNG or JPG format from your computer.
Collapse useless groups.
Try SVG Combining. Collapse useless groups. I done some research how to merge object in one path see in inkscape Frist select the object you want to merge than group selected objects ctrl g after drag and select the objects go to path-Union ctrl. Heres a video of how it works.