A common misconception
Google Drive image size limit: there isn’t one
People search for this because something failed and a size limit is the obvious suspect. It is almost never the cause. Drive will take a 5 TB file — the wall you hit is somewhere else entirely.
The actual numbers
| Limit | Value | Does it affect images? |
|---|---|---|
| A single file in Drive | 5 TB | Effectively never the problem for an image |
| Your total storage | 15 GB free | Shared across Drive, Gmail and Photos — this is the real one |
| A Gmail attachment | 25 MB | Above it, Gmail sends a Drive link instead |
| Converted to Google Slides | 100 MB | Only applies to the converted presentation, not the image |
Source: Google’s own Drive documentation. The 5 TB ceiling applies to everything that is not converted into a Google Docs, Sheets or Slides file.
So what is actually stopping you?
Nine times out of ten, the 15 GB. It is shared across Drive, Gmail and Photos, which is why a full mailbox can block a file upload and why deleting photos sometimes does nothing for your Drive. Working out which of the three is eating it is the first step — what actually frees up Drive storage walks through it with real numbers per fix.
The limits that do exist are in the tools, not in Drive
If a compression site refuses your 40 MB photo, that is their constraint, not Google’s. Server-side tools pay for every megabyte they receive — bandwidth, memory, processing time — so a cap is how that bill stays predictable. It is a reasonable engineering decision on their side and an arbitrary wall on yours.
A tool that compresses inside your own browser has no such bill. PixelCinch has no configured size limit; the real ceiling is your device’s memory. A 6400×4800 photo needs roughly 117 MB of raw pixels while it is being decoded, and a 43.5 MB HEIC was measured end to end at 8.3 seconds — slow, but finished. The file-by-file numbers are on how much images actually compress.
If the file really is too big for what you are doing
Drive will hold it, but the thing you want to do with it might not. Email is the usual case: over 25 MB, Gmail quietly swaps the attachment for a Drive link, which is fine until the recipient is outside your organisation. Resizing to 1200 pixels on the longest edge solves it and looks identical in an email — bulk resizing covers what size to use for what.
Questions
Is there a maximum image size for Google Drive?
Not for images specifically. Google’s own documentation puts the ceiling at 5 TB for any file that is not converted to a Google format. A photo will never come close. If an upload is failing, the cause is almost always your storage quota rather than the file.
Then why does my upload fail?
Usually because the 15 GB is full. That quota is shared across Drive, Gmail and Google Photos, so a full mailbox can stop a file upload. The second most common cause is a flaky connection on a very large file, which resumes rather than failing outright.
Why do other compression tools reject my file?
Because they process it on their servers, so every megabyte costs them bandwidth, memory and time. A size cap is how that cost is controlled. A tool that compresses in your browser has no server bill to manage, so it does not need the cap.
What is the largest image PixelCinch can handle?
There is no configured limit. The real ceiling is your device: a 6400×4800 photo needs about 117 MB of memory while it is being decoded. A 43.5 MB HEIC has been measured end to end at 8.3 seconds. Very large files are slower, not refused.
Does Google compress my photos when I upload them?
Not in Drive — a file uploaded to Drive is stored byte for byte. Google Photos is a different product with a “storage saver” mode that re-encodes. If your originals matter, know which of the two you are putting them in.
Related: compress images in Google Drive · convert HEIC to JPG.