How to send large files and photos by email without bouncing

Beat the "attachment too large" error · Published October 2026 · Reviewed October 2026

You attach a few photos, hit send, and the email either bounces or never arrives. Almost every email service limits the total size of attachments, and the limit is smaller than most people expect.

Typical attachment limits

Remember that attachments grow by about a third when email encodes them, so a 10 MB pile of files can count as roughly 13 MB. The recipient's limit matters as much as yours.

Option 1: shrink the photos

Phone photos are huge because they are made for printing. For email and screens you rarely need more than 1600 pixels on the long side.

  1. Open the EasyLife File Converter.
  2. Use Resize to set a smaller width, for example 1600 pixels.
  3. Use Compress to bring each photo to something like 300 to 500 KB.

Ten photos at 400 KB is only 4 MB, comfortably under any limit.

Option 2: combine into one PDF

If you are sending scans, receipts or screenshots, merge them into a single PDF with our images to PDF tool. One tidy file is easier for the recipient than twelve loose images.

Option 3: send a link instead

For truly big files such as videos or design projects, upload to a cloud drive (Google Drive, OneDrive, Dropbox) and share a link. Check the sharing permission so the person can actually open it. "Anyone with the link can view" is usually the simplest.

Option 4: zip the files

Zipping groups many files into one and can slightly reduce size. It will not help much with photos or PDFs, which are already compressed, and some corporate filters block zip files, so use it only when you must.

Good habit: mention the attachment in your message, for example "Attached: two photos and the signed form", and keep the subject line clear. It helps your email avoid the spam folder.

Still bouncing?

Try fewer files per message, check the recipient's address for typos, or ask them to confirm their limit. For exact size control see how to compress an image to a target size.

Frequently asked questions

Why did my email bounce when the files were smaller than the limit?

The limit applies to the total after encoding, which adds roughly a third. Ten MB of files can behave like thirteen. Also remember that the recipient's mail server has its own limit, which can be lower than yours.

Is it safe to send documents through a shared link?

Only if you set the permission correctly. "Anyone with the link" is convenient but means anyone who obtains the link can open it. For sensitive documents, share with specific email addresses and remove access once the person has what they need.

Should I send a PDF or an image?

A PDF is better for documents, because it keeps pages together and opens the same on every device. Images are fine for single photos. For several scans, combine them into one PDF.

How do I send a very large video?

Upload it to a cloud drive or a video platform with unlisted sharing, and email the link. Email is not designed for files beyond a few megabytes.

Will compressing the photos make them look bad on screen?

Not for normal viewing. A photo at 1600 pixels wide and a few hundred KB looks sharp on laptops and phones. Keep the originals for printing.

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