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Profile picture, cover photo, story, thumbnail. Each use calls for a different ratio, and several don't match any standard preset.

Two ways to cut the background out of an image without uploading anything: automatic AI or manual selection, and when to use each.

WhatsApp compresses every photo you send. Shrinking it yourself first, in a controlled way, usually looks better than letting WhatsApp do it alone.

Combine several PDF files in whatever order you want, right in your browser, with nothing to install and no account needed.

Generate a QR code for a link or text in seconds, and avoid the most common mistakes before printing or sharing it.

What actually makes a password hard to guess, and why real randomness matters more than any rule about capital letters and symbols.

Kilos to pounds, Celsius to Fahrenheit, liters to gallons. Four conversion categories in one place, without looking up the formula every time.

Words, characters and reading time, live, and why different tools sometimes give slightly different numbers for the same text.

A quick tour of ten free tools for files, images, passwords, and more, all with no signup and nothing to install.

A tidy profile photo, a well-put-together PDF resume, and an easy way to share your contact info. Three concrete things you can fix today, for free.