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Yan Wang

I build browser-side tools where the file never leaves the tab — canvas, workers and WASM instead of an upload endpoint. Currently lensup.ai, a document scanner running in 20 languages.

Joined on Sep 13, 2026 https://lensup.ai/

Work

Independent — building browser-side web tools

Yan Wang

Sep 13

The adaptive threshold that deleted the thing we were looking for

#javascript #webdev #algorithms #computervision

5 min read

Yan Wang

Sep 13

Three things that bit us moving a document scanner fully into the browser

#javascript #webdev #privacy #performance

6 min read

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