Yes, Overleaf is free to use; you can create, edit & share your projects with a quick sign-up and nothing to install. Our free account includes unlimited projects, private sharing with one named collaborator per project, unlimited sharing via Link Sharing, and many other core features.
We're also pleased to offer upgraded accounts for users who require advanced features such as Track Changes, Dropbox sync, and the ability to add additional named collaborators by direct invite. Click to read more about the plans we offer.
You can also unlock these premium features via our referral bonus scheme! Please see your bonus page when signed in for more details.