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Email Newsletter Header Resizer

Resize your images to the perfect email newsletter header size for Mailchimp, ConvertKit, and other platforms for free.

Popular Tools

Convert Images to WebP

Drop your heavy JPGs or PNGs here. We will instantly compress them to next-gen WebP format for faster load times.

Compress Heavy PDF Files

Shrink your PDF documents without losing quality for faster emailing and easier storage.

Image Compressor & SEO Renamer

Upload your JPGs or PNGs. Manually rename them for SEO, and we will compress them while keeping their original format.

Text to Professional PDF

Paste your raw text and instantly generate a formatted, paginated PDF document.

Text to Word Document

Instantly convert your raw copy into a fully editable Microsoft Word (.docx) file.

Visual Image Extractor

Enter a URL to instantly extract all images. Select exactly which ones you want to download as optimized WebP files.

Free Email Newsletter Header Image Resizer

Email newsletters need headers that load fast and look great on every email client. This free tool crops your image to the ideal 600 to 700 pixel width that works across Gmail, Outlook, and Apple Mail without breaking.

How to use this free tool

1

Upload your image to the free email header resizer.

2

The tool crops it to the optimal email newsletter width.

3

Download your email-ready header image for free.

Frequently Asked Questions

Everything you need to know about our free service.

Is the email header resizer free?

Yes. You can resize as many email newsletter headers as you want completely free with no limits.

What width should email newsletter images be?

Most email clients work best with images between 600 and 700 pixels wide. The tool crops to 600 pixels for safe display.

Are my images safe when resizing for email?

Yes. Everything runs inside your browser. Your images never leave your device.