Mailpro's drag-and-drop editor resizes your images in just a few clicks — no external software needed.
Pro tip: keep each image under 200 KB and 600 px wide for fast-loading newsletters on mobile.
Method 1: resize in the editor
- Drag your image into the newsletter
- Click it — the resize handles appear
- Drag a corner to keep the proportions intact
- Or type a precise width in the right-hand panel
Method 2: crop and compress
Click the image, then the Edit icon. The built-in editor lets you:
- Crop
- Rotate
- Apply filters
- Add text or shapes
Best practices
| Property | Recommendation |
|---|---|
| Width | 600 px max |
| Weight | < 200 KB |
| Format | JPG (photos), PNG (logos) |
| Alt text | Always filled in |
Build visually perfect newsletters with the Mailpro editor. Start free and use the built-in image editor today.