You can also try these related scripts:

• Overleaf fileswitcher (no longer maintained) - Custom hotkeys for switching between files on overleaf.com
• Overleaf editor: map j to gj and k to gk - Remap j/k to gj/gk in Overleaf Vim mode editor
• Overleaf Editor Custom VIM Keybindings - Bind fd to <esc> in overleaf
• Overleaf morekeys - Custom hotkeys for overleaf.com
• Overleaf morekeys - Custom hotkeys for overleaf.com