NexusCompress · Reduce image size for email attachments
Large image attachments slow sending, frustrate mobile recipients, and get blocked by corporate mail servers. A quick compress before attaching fixes all three.
Email provider attachment limits
| Provider | Max attachment | Recommendation |
|---|---|---|
| Gmail | 25 MB total | Under 1 MB per image |
| Outlook / Hotmail | 20 MB total | Under 1 MB per image |
| Yahoo Mail | 25 MB total | Under 1 MB per image |
| Corporate Exchange | 5–10 MB often | Under 500 KB per image |
| UAE government email | Varies | Under 500 KB per image |
Best settings for email images
- Format: JPEG
- Quality: 80%
- Max width: 1200 px
- Target size: 300–800 KB per image
Why not WebP for email? Some email clients (especially older Outlook) cannot display WebP inline. Stick to JPEG for attachments.
How to compress for email
- Open NexusCompress.
- Select preset Email — JPEG, 1200px wide.
- Drop one image or an entire folder.
- Download and attach to your email.
Multiple images
Batch compress a folder with the Email preset and download as ZIP. Even 10–15 photos should stay under 10 MB total.
Document scans by email
Set target file size to 500 KB — NexusCompress finds the right quality automatically.
Frequently asked questions
What is the maximum image size for email attachments?
Most providers allow 20–25 MB total, but keep individual images under 1 MB for fast mobile loading.
What format is best for email?
JPEG — works inline in every email client. Avoid WebP for email.
How do I reduce size without losing quality?
JPEG at 80% quality, max width 1200 px — typically 200–600 KB with sharp on-screen results.
Can I compress multiple images at once?
Yes. Drop a folder, apply the Email preset, download as ZIP.