Ttoolzipintoolzip.hashnode.dev·Sep 4 · 7 min readBuilding a Loan Calculator with Amortization Schedule in React — Equal Payment vs Equal PrincipalMost loan calculators online do one thing: take your principal, rate, and term, and spit out a monthly payment. That's useful, but it's only half the picture. When I built the loan calculator for Tool00
Ttoolzipintoolzip.hashnode.dev·Sep 2 · 8 min readHow I Built a Browser-Based 3D File Viewer with Three.js — 8 Formats, No ServerWhen I decided to add a 3D file viewer to ToolZip, I thought it would take a day. It took a week. Supporting 8 different 3D formats — each with its own quirks — turned out to be a surprisingly deep ra00
Ttoolzipintoolzip.hashnode.dev·Sep 1 · 5 min readHow I Built a Client-Side 3D File Viewer with Three.js — Lessons from ToolZipWhen I added a 3D file viewer to ToolZip, I expected it to take a day. It took a week. Here's everything I learned. Why a 3D Viewer in a Utility Site? ToolZip started as a simple image compression to00
