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How-to Guide

Create Photo Grids for Your Email Newsletters

Email clients are notoriously bad at rendering multi-image layouts. A pre-composed photo grid solves this: one image, one placement, zero rendering issues across Gmail, Outlook, and Apple Mail.

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Email marketing relies on visuals, but email HTML is stuck in 1999. Multi-column layouts break in Outlook. Image galleries require CSS that Gmail strips out. The universal solution: compose your photos into a single grid PNG before embedding.\n\nHigh-ROI newsletter grid formats: (1) product roundup — 2×2 grid showing 4 new arrivals (e-commerce), (2) event recap — 1×3 strip showing arrival, main moment, team photo, (3) portfolio teaser — 2×3 grid of recent work with 'See more' CTA below, (4) testimonial collage — 4 customer photos in 2×2 with quote overlay.\n\nEmail-safe specs: export at 600px wide (standard newsletter column). Keep under 1MB for fast loading and spam-filter safety. Use PNG for sharp text and logos. Add alt text when embedding — some clients block images by default. MergeFrame's local processing keeps pre-launch product photos and internal event pictures confidential.

How to Do It — Step by Step

  1. 1

    Select 4–6 newsletter images

    Product photos, event shots, team pics. Consistent editing for brand cohesion.

  2. 2

    Open MergeFrame, choose grid

    2×2 for product roundups, 2×3 for portfolios, 1×3 for event strips.

  3. 3

    Export at 600px wide

    Standard newsletter column width. Keeps file under 1MB for deliverability.

  4. 4

    Add alt text in your ESP

    '[Brand] product roundup — 4 new arrivals this week' — descriptive for image-off readers.

  5. 5

    Embed and test across clients

    Test in Gmail, Outlook, Apple Mail. The grid renders consistently as a single image.

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Frequently Asked Questions

Why a single grid image instead of multiple images in the email?

Email clients render multiple images unpredictably. A single grid PNG displays consistently everywhere — no broken layouts, no stacking issues.

What width should newsletter images be?

600px is the universal safe width. Some templates use 640px — check your ESP's template specs.

Will a grid image increase my email load time?

Keep under 1MB. At 600px, a PNG grid stays well within email-friendly sizes and loads faster than multiple separate images.

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