I Built a PDF Merger That Replaced My $99/Year SaaS Subscription

I Built a PDF Merger That Replaced My $99/Year SaaS Subscription Last month, I realized something: I was paying $99/year for a PDF tool I could build in 30 minutes. Every time I needed to merge PDFs, split pages, or rotate documents, I'd go to an online service. Upload files. Wait for processing. Download. Repeat 50 times a month. "This is insane," I thought. "I'm a developer. I can literally write this." So I built PDF Merger CLI — a Python tool that does everything the $99 SaaS does, locally, instantly, for free. Since then, I've used it 200+ times. Never paid another subscription fee. Saved 99 bucks and countless hours of my life. Here's how I did it, and why you should too. The Problem: PDF Processing Is Surprisingly Expensive Want to merge, split, or rotate PDFs online? Your options suck: Free online tools — Slow, upload your files to some stranger's server, sketchy privacy Adobe PDF Editor — $180/year (enterprise pricing) Smallpdf, ILovePDF, etc. — $99-180/year, rate limited, slo