Rafał K

Built this after getting too many spam calls with no way to quickly check who's calling. OpiniNumer lets you look up any Polish phone number and see community reviews - is it a bank, a scammer, a telemarketer? Users leave comments and ratings so others know what to expect. The database started from scratch and now has 6,900+ numbers reviewed by real users. It grows daily as more people look up...

Hey Product Hunt! 👋 I built Filesty because I was frustrated with file tools that upload your files to unknown servers "just to convert a JPG." The idea is simple: everything runs in your browser using native browser APIs (Canvas, WebAssembly, File API). Your files never leave your device - not even for a millisecond. Current tools: - JPG ↔ PNG conversion - Image compression - PDF merge - JSON...