How do I find meaning when my work doesn't feel important?

You ship product that thousands of people use, and lately you are wondering if any of it makes a single life better. That question is not a weakness. It is your conscience still working, and that is a good sign, not a broken one. Plenty of people never stop to ask. The fact that you do says something decent about you. Here is the honest part: not every product changes the world, and it does not have to. Ask a smaller, truer question. Does your work save someone a little time, ease a small frustration, help them do their day a bit better? That is real. Meaning usually is not grand. It is a lot of small usefulness added up across a lot of people. If the answer is genuinely no, that is worth knowing too, and it might point you toward work that fits your values better. But before you decide that, look closely at who actually uses what you build and how it helps them, even in small ways. You might find the meaning was there in the details, just quieter than you expected.