Be honest: how many times this week have you pasted a bearer token, a customer payload, or an .env config snippet into an online formatter just to quickly see what went wrong? I used to do it constantly. Need to debug an expired JWT? Open the first Google result. Need to format a 4MB JSON response from a legacy API? Paste it into a random tab covered in popup ads. Need to merge two PDF invoices or test a RegEx? Another sketchy tab. A few months ago, while debugging an auth issue ...