How to check whether a browser tool really keeps your data local
"Local processing" is easy to print on a page and hard to disprove. Here is how to test it in about ninety seconds.
Guides
Longer pieces that do not fit on a tool page: how to check a claim of local processing, where numbers quietly lose precision, which cron expressions behave differently than people expect.
All guides
4 published
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64-bit IDs break the moment they pass through JSON.parse
A 19-digit ID goes in, a 19-digit ID comes out, and it is a different number. Here is why, and what to do about it.
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Five cron expressions that behave differently than people expect
Cron has been around since the 1970s, and it still surprises people who use it every day. These are the five cases that cause real incidents.
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What to do in the first hour after pasting a secret into a website
It happens to careful people. The order you do things in matters more than the panic does.