Kilian Valkhof
Special guest
Killian builds tools for developers, designers and other people that work on the web to make them more effective, efficient and to let them have more fun.
Kilian Valkhof has been a guest on 2 episodes.
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The browser APIs you're shipping libraries to replace with Kilian Valkhof
April 2nd, 2026 | 38 mins 27 secs
browser apis
Most developers reach for date-fns or Moment.js without realizing the browser already ships a powerful string formatting library called the JavaScript Intl API. Killian Valkhof, creator of Polypane, walks through how locale-aware date formatting, currency formatting, the Segmenter API, and the Collator API can replace heavy npm dependencies, with support for over 7,000 locales baked right into every evergreen browser since 2017.
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Polypane with Kilian Valkhof
April 5th, 2023 | Season 3 | 33 mins 37 secs
polypane
Kilian Valkhof created a browser made for developers. We talk to Kilian about Polypane, developer experience, and more!