Is MergeFrame really free?

Yes, MergeFrame offers a free version with PNG + JPG 4000px export, 2 exports per day and 8 grid types. The Pro version ($7/month) unlocks unlimited exports, all import formats and customizable grids.

Are my images uploaded to a server?

No. MergeFrame processes your images exclusively in your browser via the Canvas API. No images are uploaded to a third-party server. MergeFrame cannot see, store or access your images.

What image formats are supported?

MergeFrame supports all common image formats: PNG, JPEG, WebP, SVG, GIF and BMP. Export is in high-resolution PNG at up to 4000px, on the free plan and on paid plans alike.

Can I use MergeFrame on mobile?

Yes, MergeFrame is responsive and works on all modern browsers (Chrome, Firefox, Safari, Edge) on desktop, tablet and mobile.

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: Strip of 3 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
Select 4–6 newsletter images
Product photos, event shots, team pics. Consistent editing for brand cohesion.
2
Open MergeFrame, choose grid
2×2 for product roundups, 2×3 for portfolios, Strip of 3 for event strips.
3
Export at 600px wide
Standard newsletter column width. Keeps file under 1MB for deliverability.
4
Add alt text in your ESP
'[Brand] product roundup, 4 new arrivals this week', descriptive for image-off readers.
5
Embed and test across clients
Test in Gmail, Outlook, Apple Mail. The grid renders consistently as a single image.

Ready to merge your images?

100% browser-based. No account. No upload. Free.

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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.

Related Free Tools

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Free step-by-step guides from the same use case and from adjacent ones.

Optional: 10 social media grid templates you can import in one click, plus occasional MergeFrame tips. The tool stays 100% free and account-free: it is a bonus.

MergeFrame: Combine images into a grid. Free. No account. Browser-only.

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Combine Images Into a Grid, Free Online Tool