The Blog

Those long strings like 550e8400-e29b-41d4-a716-446655440000 — what they are, why they almost never collide, and when to use them instead of IDs.

Those 𝓯𝓪𝓷𝓬𝔂 bio fonts aren't fonts at all — they're Unicode characters. How they work, where they break, and free generators to make your own.

Why waking at 7 hours can feel worse than 6 — how 90-minute sleep cycles work, and how to time bed and alarm so you wake up refreshed.

Going freelance? Your old salary is not your hourly rate. How to convert it honestly — accounting for unpaid time, taxes and fees — with free calculators.

Know what a road trip will cost in fuel before you leave — the simple formula, how mileage and price change it, and a free fuel cost calculator.

That "Lorem ipsum dolor sit amet" placeholder text has a 500-year history and a real purpose. What it is, why it beats real text, and a free generator.

Regular expressions look like line noise but follow simple rules. The core syntax, the patterns you'll reuse forever, and a free live regex tester.

See how monthly SIP investments compound over 5, 10 and 20 years, what return rate to assume, and the power of starting early.

Count the exact days to any date and turn the countdown into a real plan — for exams, events, launches and savings goals.

Fix messy copy-pasted text — extra spaces, line breaks, weird formatting — in one click with free text cleaning tools.

CGPA to percentage, GPA averaging, exam mark percentages — every grade conversion students need, with correct formulas and free calculators.

Beautify minified JSON, catch syntax errors, and convert to CSV — free developer tools that run in your browser with no upload.