Gmail won’t sort by size — but it can search by it. Pick a size, and we’ll build the exact search and open it in Gmail, ready to delete.
Step 1
Find emails larger than…
Start at 10 MB to catch the heavy hitters. Lower it later if you need to free more space.
Step 2 — Refine (optional)
Typical long-lived inbox (~10 yrs)
roughly 180 emails are 10 MB or larger. Your real count will differ.
Step 3 — Open this search in Gmail
Gmail search
larger:10M -is:starredIn Gmail, click the select-all checkbox, then “Select all conversations that match this search,” and Delete. Deleted mail sits in Trash for 30 days — empty Trash to reclaim the space immediately.
A plain text email is tiny — around 75 KB. But one email with a few photos or a PDF can be 5–25 MB, and a video attachment can top 50 MB. That means a handful of large emails often outweighs tens of thousands of newsletters. A few things worth knowing:
larger: search operator is the real way to find big emails — e.g. larger:10M or larger:25M.has:attachment to zero in on the heaviest culprits, and older_than:1y to skip recent mail you might still need.Find them once here — or let MailSweeper keep them cleared for good.
Clearing a dozen large attachments can free more space than deleting thousands of promotional emails. Start big, then work down.
MailSweeper can flag and clear heavy attachments automatically, so a few big senders never quietly fill your account again.
Most MailSweeper users free up enough space to stay on the free 15 GB tier instead of paying Google every month.
Pair these together for a full inbox reset.
See the senders flooding your inbox, ranked by volume — your shortlist for unsubscribes.
Open toolBuild a deletion plan by sender, date, label, or all-unread — with the exact Gmail search to run.
Open toolMove the slider to your current Gmail usage to see exactly what to delete to free space.
Open toolRate your inbox health on a 0–100 scale and see the weekly hours your inbox is costing you.
Open tool