You attach five photos. You hit send. The email bounces, or it sends and the recipient gets a "downloading" spinner for a minute.

Email attachment limits are small and unforgiving. Gmail caps at 25 MB. Outlook is often 20 MB, and corporate servers go lower. Five straight-from-the-phone photos blow past that without trying.

Why phone photos are the problem

A modern phone photo is 3 to 6 MB. Five of them is 25 MB. You're at the limit with a handful of snapshots, and that's before the email client adds its own overhead.

Nobody needs a 4000-pixel photo in an email. The recipient reads it on a screen, probably a phone. A 1600-pixel-wide image looks identical and weighs a tenth as much.

The three moves, in order

Resize first. Drop the dimensions to 1600 pixels on the long edge. This alone usually cuts each photo from 5 MB to under 500 KB.

Convert the format second. If any images are PNGs (screenshots, graphics), convert to JPG. A PNG screenshot can be ten times the size of the same image as JPG.

Compress third. JPG at 80 percent quality is visually identical to 100 percent on a screen. This shaves the last chunk off.

Do all three and a 25 MB batch of photos becomes 2 MB. Same photos, same look, no bounce.

The alternative nobody uses enough

For big batches, stop attaching and start linking. Upload to a shared album or drive folder and send the link. No limits, no compression, full quality preserved.

I still attach when it's a handful of images and the recipient just needs to glance. I link when it's an event's worth of photos. The cutoff for me is around ten images.

Practical tip: on iPhone, the Mail app asks what size to send when you attach photos (Small, Medium, Large, Actual Size). Pick Large. It resizes automatically and the quality is fine for viewing. On Android, most email apps don't offer this, so resize before attaching.

Doing it fast

Jiggle X Wiggle's free converter resizes and converts images in seconds, right in the browser. Shrink the batch, attach, send.

Email limits aren't changing. Your photos don't need to be 5 MB. Everybody wins.