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toptal/keycodes

Easy visualizer for JavaScript KeyCodes observed · 2026-08-28

github.com/toptal/keycodes · homepage · TypeScript · MIT (permissive) observed · 2026-08-28

Health v2 · maintenance only

77/100

  • Activity 99
  • Release rhythm 35
  • Longevity 100

Flags: no_releases

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 4513
  • days_rel: n/a
  • days_push: 8
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

2159 stars · 357 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A simple web application that visualizes JavaScript KeyboardEvent key codes when users press any key. Built with Next.js and TypeScript, it is hosted at keycode.info.

Use cases

  • find the JavaScript keycode for a pressed key
  • look up KeyboardEvent key and code values
  • debug keyboard event handling in web apps
  • check event.key vs event.code for a key
  • reference table of JavaScript key codes

When to choose

  • you need to quickly identify key codes for keyboard event handling
  • you want a free browser-based key code lookup tool
  • you are building or debugging keyboard shortcuts in JavaScript

When to avoid

  • you need key code lookup for non-web platforms like native mobile or desktop apps
  • you need programmatic key code mapping rather than an interactive visualizer

Facets

application · maturity active

developer-tools gui web-development developer-tools frontend keyboard-events keycodes nextjs typescript web-utility web-server nodejs docker

2 sources

Member repositories

RepositoryRoleHealth v2
toptal/keycodesmain77

For agents

markdown · JSON · MCP: product_card(name="toptal/keycodes")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem