For personal Gmail, Google documents a combined 25 MB attachment limit; larger totals can be sent as a Drive link instead. Work or school behavior can depend on the account. As a planning example, three 9 MB attachments total 27 MB, so reducing just one to 8 MB still leaves 26 MB. Budget the whole set and verify link access separately.
Sources and further reading
When an attachment is too large, the best solution depends on what you are sending. A photo can usually lose bytes through image compression. A scan may need careful readability checks. A long video might be better shared as a cloud link than forced into a very small attachment.
Choose the strategy by file type
| File | Good first move | Do not sacrifice |
|---|---|---|
| Photo | JPEG/WebP quality or sensible dimensions | Faces, labels, useful zoom |
| Scanned PDF | Crop, moderate page resolution, controlled PDF compression | Small text, signatures, stamps |
| Video | Lower bitrate and possibly resolution | Understandable motion and audio |
| Audio | Lower bitrate | Speech intelligibility or music quality |
A send-ready workflow
- Confirm the actual limitCheck the current mail service behavior and whether multiple attachments share the same message limit.
- Set a marginAim below the ceiling. Email transfer and message encoding can add overhead.
- Compress the right representationFor a document, use PDF; for a photo, use an image format; do not turn everything into a screenshot.
- Open the resultCheck the file independently before attaching it. Make sure the recipient will be able to read or play it.
- Use a link when appropriateIf a long high-quality video must remain high quality, a cloud link can be a better delivery method than extreme compression.
Fitabyte Compress processes supported files in the browser and does not require an account. Choose a target based on the delivery limit, then inspect the output. If the file is a scan, use the dedicated scanned-document compression guide.