How to email photos that are too large to send
"Attachment exceeds the size limit." If your photos are too heavy to email, shrinking them is the simplest fix. Here are the size limits to know and how to reduce photos without visibly losing quality.
Know the attachment limits
Most mail services cap attachments around 20–25 MB total (Gmail and Outlook allow 25 MB). The recipient's server may enforce a smaller cap, so staying under roughly 10 MB total is the safe practice for business mail.
Modern phone photos run 3–8 MB each, so a handful of attachments hits the ceiling fast. That is why one photo sends fine but three get rejected.
Option 1: Compress the images
The easiest fix is compression — slightly lowering photo quality to cut file size. For photographs, compressing to around 80% quality is usually invisible to the eye and can halve the file size or better.
Our image compressor lets you adjust strength with a slider while comparing before/after previews and sizes. Everything is processed in your browser, so private photos never leave your device.
Option 2: Resize the dimensions
Phone photos are often 4000+ pixels wide, but 1200–1600 pixels is plenty for viewing in an email or pasting into a document. Halving the dimensions cuts the file size dramatically.
Resizing first often looks better than heavy compression — a multi-MB photo can drop to a few hundred KB just from a sensible resize.
Option 3: Combine multiple photos into one PDF
Sending many separate attachments is also harder for the recipient. For reports or site photos, combining images into a single PDF keeps both size and viewing manageable.
Our image-to-PDF tool supports reordering and page-size options, and the PDF compressor can shrink the result further if needed.
Convert HEIC photos to JPG first
iPhone photos in HEIC format may not open on the recipient's side at all. Converting to JPG before sending avoids that problem and makes size adjustment easier.
HEIC to JPG → resize if needed → compress is the reliable pipeline for emailing phone photos, all doable in the browser.
For very large files, share a link instead
For tens of megabytes or large photo sets, upload to Google Drive or OneDrive and email the link. Gmail even suggests this automatically when you exceed the limit.
Some organizations block external links, though — in those cases, shrinking and attaching remains the dependable approach.
Summary: resize first, then compress
When photos won't send: ① resize to a sensible width, ② compress if still heavy, ③ bundle multiple shots into a PDF. This order preserves the most quality while clearing the limit.
All of these steps are free on Filewisp, with no signup and fully in-browser processing.