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BeGoodTool envisions a borderless digital world. As a top global platform built single-handedly, we transform complex tasks into effortless experiences. Our instant-access web utilities in 18 languages empower limitless productivity

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Dead-pixel test sites are just colored divs — the actual engineering problem is the Fullscreen API, not the colors

Dead-pixel test sites are just colored divs — the actual engineering problem is the Fullscreen API, not the colors

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6 min read
Generating unique random numbers is easy — swapping min and max broke my own validation

Generating unique random numbers is easy — swapping min and max broke my own validation

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4 min read
Why "must be subscribed to enter" is a checkbox I had to delete from a YouTube giveaway picker

Why "must be subscribed to enter" is a checkbox I had to delete from a YouTube giveaway picker

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6 min read
Why my auto-scrolling teleprompter froze at low speed (and the hidden float that fixed it)

Why my auto-scrolling teleprompter froze at low speed (and the hidden float that fixed it)

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5 min read
Why splitting text into sentences by punctuation breaks on "Dr. Smith" (I found out building a case converter)

Why splitting text into sentences by punctuation breaks on "Dr. Smith" (I found out building a case converter)

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5 min read
Why "the date exactly halfway between these two dates" doesn't always have one answer

Why "the date exactly halfway between these two dates" doesn't always have one answer

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5 min read
Why `new Date(garbage) === "Invalid Date"` is always false (a timestamp converter taught me this the hard way)

Why `new Date(garbage) === "Invalid Date"` is always false (a timestamp converter taught me this the hard way)

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5 min read
I built a calorie lookup table and realized the search box was already a category filter

I built a calorie lookup table and realized the search box was already a category filter

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5 min read
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