See here:can someone elaborate on this? it sounds like the image has some numbers that can be traced to your facebook page
Also don’t put any identifying information in the file name if you’re going to upload it somewhere. Depending on the website, this may show up in the page source even if it isn’t visible on the site itself.See here:
Did you have picture of someone and want to know more? Maybe you don't know their name, where they live, or how to find them. Here's how to do it.turbofuture.com
The best way to remove all data is to take a screencap of the image. That only leaves reverse image searching (Google/Tineye/Yandex) or using the photo visual contents as ways to trace the origin.
They had a massive data breach last August affecting 16 million usersWhat is wrong with password managers that keep your passwords on a server (like Lastpass), assuming you trust them to actually encrypt it in a way that only you can decrypt it?
Has the CanvasBlocker extensionHTML 5 Canvas Fingerprinting, a relatively new way of tracking users (even if you're hiding behind a VPN) https://browserleaks.com/canvas
To resist fingerprinting in Firefox. about : config and change privacy.resistFingerprinting to true
Further reading on browser security. https://browserleaks.com/