100% private · no tracking · works offline100% client-side/no data leaves your browser/no accounts/works offline
Every tool runs 100% in your browser — zero servers, zero tracking. Plus practical articles & tutorials for modern developers.
Search 85+ tools · works offline after first load
§ 01 — Why developers trust it
Every tool executes locally. Nothing is uploaded — your code never leaves the tab.
No analytics on your inputs, no accounts, no cookies you didn’t ask for.
Load once and keep working on a plane. All 85+ tools, no paywall.
§ 02 — Toolchain index
A taste of the kit — all 85+ tools run in your browser.
§ 03 — Latest writing
"AI Infrastructure"
A production-focused guide to Google Cloud API Gateway model routing, including OpenAPI configuration, IAM, fallback safety, observability gaps, and rollout strategy.
"Performance"
A production guide to routing selected OpenAI API requests through Fast mode, measuring the latency benefit, detecting downgrades, and controlling the premium.
"OpenAI API"
A production migration guide for moving recorded and live speech-to-text workloads to GPT Transcribe without losing subtitles, timestamps, speaker labels, or reliable language handling.
§ 04 — Guided learning
Verify if images have proper alt text.
Open tool →"OpenAI API"
A production runbook for setting organization and project spend caps, handling insufficient_quota errors, and keeping critical features available when an OpenAI budget is exhausted.