I Built a TikTok Downloader with Go — Here's What I Learned

Why I Built ClipTool I needed a simple way to download TikTok videos without watermarks. Every existing tool was either: Full of ads and pop-ups Painfully slow (20-30 seconds per video) Didn't work on iPhone Safari So I built ClipTool — a free, fast TikTok downloader with zero ads. The Tech Stack Backend: Go 1.22 — chosen for its concurrency model Frontend: React + Vite — fast SPA with SSR for SEO Database: PostgreSQL + ClickHouse (analytics) Infrastructure: Docker, Nginx reverse proxy, S3-compa