If you're dealing with a broken backpack zipper, it can be frustrating and even a safety hazard if you're carrying important items. The good news is that in most cases, you can fix it yourself with the right tools and techniques. This comprehensive guide will provide you with step-by-step instructions for fixing a stuck zipper, realigning misaligned teeth, and replacing a broken slider or pull. With patience and care, you can easily diagnose and fix your broken backpack zipper and prevent future problems.