Kastavo

Kastavo is a portal of 99 free online tools — PDF, image, video, color,

developer and financial utilities — built for anyone who needs something

done fast without installing software or creating an account.

Every tool runs entirely in your browser. Open devtools, check the

Network tab, and you'll see no file or text ever leaves your device —

it's not a privacy promise, it's something you can verify yourself in

under a minute. Available in English, Portuguese and Spanish.