Savvy Goose is a collection of everyday utilities: barcode and QR generators, a JSON formatter, a percentage calculator, encoders and decoders, and a growing list of others. They're free, there's no sign-up, and there are no ads.
The thing that makes them different is where the work happens. Almost every tool here runs as JavaScript in your own browser. When you paste text into the character counter or drop an image into the resizer, that data is processed on your device and never sent to a server. It's faster, it works offline once the page has loaded, and it means your input stays yours.
There's no database and no user accounts behind the site, on purpose. Fewer moving parts means fewer things to break, less to maintain, and nothing quietly collecting your data. The one exception is the GitHub Dependency Starrer, which signs you into GitHub so it can star repos on your behalf. That's spelled out on the privacy page.
The whole project is open source. If you spot a bug, want a new tool, or just want to see how something works, the code is on GitHub and pull requests are welcome.