Image optimization
How to Reduce a Photo for Email Without Visible Quality Loss
Email problems usually come from oversized dimensions, not only file format. A 12 MP photo can look identical in an email after resizing, while the file becomes much easier to send.
Start with dimensions
For most email attachments, 1600-2000 px on the long edge is enough. It gives a clear preview on modern screens without forcing the recipient to download a huge original camera file.
If the photo is only for quick review, 1200 px can be enough. If it will be printed, do not downsize the only copy. Keep the original separately and send a smaller preview version.
Choose JPG or WebP
JPG is the safest format for email because it opens everywhere. Use it for client communication, older mail apps, and attachments that may be forwarded across teams.
WebP can be smaller, but compatibility depends on the recipient workflow. Use WebP when you know the receiver will open it in a modern browser or supported app.
Quality settings that still look good
For JPG, quality around 75-85 is usually a strong email range. Below that, gradients, faces, product edges, and small text can start to look rough.
After compression, zoom to 100% and check the important part of the image: face, product, label, document text, or detail that the recipient needs to evaluate.
- Photos: JPG quality 75-85
- Screenshots: PNG or high-quality JPG
- Product previews: resize first, compress second
A fast TatraTools workflow
Resize the image first, then convert or compress it. This avoids wasting quality on pixels that the email recipient will never view.
If the source is PNG and there is no transparency, converting PNG to JPG can reduce file size dramatically for photo-like images.