My Resume Is Too Long And Wordy. How Do I Cut It Down Efficiently?

My Resume Is Too Long And Wordy. How Do I Cut It Down Efficiently?

Prefer to mention only relevant and important information. If the information is too old then you should skip to mention that. If you are making company specific resume then you should only mention that info that is required by company.
If you have written too many projects then mention only those which can highlight your technical skills.
Remove the experience which ja not relevant for a particular company. Reduce the description be concise