Files by Google is designed to free up space on your phone by finding and safely removing files you likely don’t need, but the exact amount it will save depends entirely on your current storage usage.

How Files by Google saves space

  • It scans for unused apps, large files, duplicate items, and low‑resolution or blurry videos that are safe to delete.
  • It helps you clear temporary files and cache that build up from everyday app use.
  • It lets you move photos, videos, and documents to Google Drive, SD card, or other cloud apps so they no longer occupy device storage.

“How much will you save?”

There is no fixed number (like “2 GB for everyone”) because savings depend on:

  • How many old photos/videos and downloads you have.
  • How many duplicate files and unused apps are sitting on your phone.
  • Whether you’ve ever done a proper cleanup before.

In practice, many users see anywhere from a few hundred MB to several GB reclaimed the first time they run a full cleanup, especially if they haven’t managed storage in a long time.

What the app actually shows you

When you open Files by Google, it gives personalized cleanup cards telling you:

  • How much space you can free by deleting junk, unused apps, and duplicates (e.g., “Free up 1.2 GB”).
  • Which specific items will be removed, so you can review them before confirming.

You stay in control: nothing is deleted until you tap to confirm, so you can see the potential savings first.

Extra perks beyond space saving

  • Faster file searching with smart filters for images, videos, and documents instead of digging through folders.
  • Offline, fast file sharing (e.g., to friends’ Android devices or Chromebooks) without using mobile data, secured with end‑to‑end encryption in newer versions.
  • Built‑in media playback so you can check what a file is before deciding whether to keep or delete it.

TL;DR: That post’s line “how much will you save?” is intentionally open‑ended because the app calculates savings per user. Run a scan in Files by Google and it will show you a live estimate (in MB/GB) of how much space your phone can recover before you delete anything.

Information gathered from public forums or data available on the internet and portrayed here.