---
title: "Compress and Convert Images in the Editor"
slug: compress-and-convert-images-in-the-editor
description: "Automatically compress large images and convert WebP, HEIC, SVG, and more."
created_at: "2026-10-19"
updated_at: "2026-10-19"
image: https://cdn.resend.com/posts/compress-and-convert-images-in-the-editor.jpg
humans: ["danilo-woznica"]
---

Starting today, the Broadcast and Template editors automatically:
- compress large images
- convert unsupported formats

These improvements happen before upload. Drop, paste, or pick any image and the editor prepares it for email. 

<YouTube videoId="YIBkxLxG4bw" />

## Automatic compression

Email clients render most emails around 600px wide, so a full-resolution photo requires every recipient to download a larger image for no benefit.

- **Images over 1 MB** are resized to a maximum of 1500px wide and re-encoded.
- **GIFs are never compressed**, so animations stay intact.

<video
  src="https://cdn.resend.com/posts/compress-and-convert-images-in-the-editor-1.mp4"
  autoPlay
  loop
  muted
  playsInline
  className="extraWidth"
/>

Lighter images load faster for your recipients and keep your emails smaller.

## Format conversion

Email clients reliably support JPEG, PNG, and GIF. Other formats are not commonly supported, so they are now converted in the browser before upload:

- **SVG**
- **WebP** and **AVIF**
- **HEIC** and **HEIF** (photos from iPhone)
- **BMP**, **ICO**, and **TIFF** (TIFF only in browsers that can read it)

<video
  src="https://cdn.resend.com/posts/compress-and-convert-images-in-the-editor-2.mp4"
  autoPlay
  loop
  muted
  playsInline
  className="extraWidth"
/>

**Images with transparency become PNG**, so logos and cut-outs keep their transparent background. Everything else becomes JPEG. Converted images are also resized to a maximum of 1500px wide, whatever their file size.

## Conclusion

You no longer need to resize or convert images before adding them to an email. 

If you have any questions, [view our documentation](/docs/dashboard/broadcasts/editor) or reach out to us and we'll be happy to help.