Version control is a system that records every change made to a project’s files, keeping a full history you can review, compare and rewind. Instead of saving files named “final”, “final_v2” and “final_REALLY_final”, you get one source of truth where every edit is logged with who made it and why. That log is the difference between a guess and a fact when someone asks why a line of code changed last Tuesday.
Think of it like the edit history in a shared Google Doc, but built for code and far more powerful. Two developers can work on the same project at once, each on their own branch, and the system merges their work together when they are done. If something breaks, you can step back to the exact version that worked, line by line, and see what shifted between then and now. Most teams use Git for this and save their progress in a commit, a labelled snapshot of one batch of changes. A commit is small and frequent. You make dozens a day, each with a short message explaining the intent.
Version control is also the backbone of collaboration and review. When a developer finishes a piece of work, they open a pull request so a colleague can read the change before it joins the main project. Nothing reaches the live codebase without a second pair of eyes. And because every step is dated and attributed, the project keeps a clear paper trail of decisions that a new team member can read months later.
At TopDevs we put every line of client code under version control from day one, so your project always has a clean history and nothing important can quietly disappear.
