TingStudio

Field notes on shipping small software

Battle-tested write-ups on billing for AI apps, browser security, and indie SaaS growth — the details the docs skip and the tutorials gloss over.

Is this Chrome extension safe? A 2026 audit guide (permission checklist inside)

After the Manifest V2 purge and the ShadyPanda campaign, star ratings mean nothing. A 10-minute extension audit: every scary permission in plain English, dangerous permission combinations, and the change-monitoring habit that catches updates-turned-malware.

Usage-based billing for AI SaaS: what the Stripe docs don't tell you

Hybrid pricing, blended-cost math, weighted quotas, Decimal-safe money math, and five production edge cases — lessons from shipping token metering in production without losing money or sleep.

More posts coming every 1–2 weeks. Questions or topics you want covered? Email tingstudio.ai@gmail.com.