Type a SIMLES string and see the molecular structure.
https://acelot-inc.github.io/web-tools/smiles-viewer.html
Got a lot of SIMLES strings? This'll show them all at once!
https://acelot-inc.github.io/web-tools/bulk-smiles-viewer.html
Built with Smiles Drawer (MIT License):
https://github.com/reymond-group/smilesDrawer