Konstantin Beregovoy

Projects

Work you can open and check: open source, web standards and products.

Open source · 2026

hdr-glow

Free open-source tool that makes selected colors of a logo, image or text glow on HDR screens.

  • TypeScript
  • React
  • Web Workers
  • OKLab
Personal · 2024

Shahmatland

Chess education platform that grew from a personal MVP to 20+ schools and 13+ instructors.

  • React 19
  • Vite
  • WebSocket
  • Stockfish
Open source · 2026

Jay Framework: a11y-validator

Open-source accessibility rules for Jay Framework (Wix): structural gaps that Lighthouse does not catch.

  • TypeScript
  • WCAG 2.x
  • HTML semantics
  • Static analysis
Open source · 2026

Plain A11y

Free Chrome extension that turns accessibility audit results into plain-language fixes for designers, writers and product teams.

  • TypeScript
  • Manifest V3
  • axe-core
  • React
Standards · 2026

Interop 2027: Temporal API proposal

Focus area proposal asking browsers to align on the Temporal API in the Interop 2027 cycle.

  • Temporal
  • Web standards
  • web-platform-tests
Personal · 2026

bereg.dev

This site, built as an engineering exercise: static, accessible and secure by default. Lighthouse 100 and Security Headers A+.

  • Astro
  • CSS
  • Cloudflare
  • Ultra HDR