CapyToolkit – Browser-native developer and hardware diagnostic tools

Show HN: CapyToolkit – Browser-native developer and hardware diagnostic tools

CapyToolkit – Browser-native developer and hardware diagnostic tools is active in the show hn launch space.

Profile

Hi HN, I'm a solo dev with 13 years of WordPress / WooCommerce experience, with a strong focus on performance (Core Web Vitals). Since early 2025, I've been implementing almost everything with AI but the vision and decisions are mine. Also, I always review the code, not only to ensure its logic is correct but often I learn something new too.For the last 3 months I've been working on CapyToolkit - a website with browser tools that run locally, without account needed, and with a strong focus on privacy. A few tools I think are worth highlighting: hardware diagnostics like gamepad drift, input lag and MIDI tester, a SQL Workbench that runs DuckDB on WASM which can be used to preview and query l

As a business in show hn launch, CapyToolkit – Browser-native developer and hardware diagnostic tools is listed here with the public details available about it.

It is recorded at the Show HN launch stage.

Website: capytoolkit.com