Bootstrap 4 Upgrader

Upgrade Bootstrap 3.* to Bootstrap 4.* in 1 click

Past Bootstrap 3 html code

Copy Bootstrap 4.0. result

× These are the rules our automated upgrader takes when it upgrades your HTML. It's also a handy checklist to keep in mind if you're upgrading code manually!
The Process
  • {{rule.title}} {{rule.runMessage}}

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