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Convert EXR to WEBP - HDR Images Ready for Web

Transform OpenEXR files into lightweight WEBP for web sharing and previews.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

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OpenEXR Files Too Large for Web?

You've finished a VFX render or received EXR files from a compositor. These files look stunning but can't be shared easily-they're massive, specialized, and most people can't even open them. Email attachments bounce back, clients complain, and social platforms reject the upload entirely.

WEBP solves this. It's Google's modern image format that compresses beautifully while keeping your work looking sharp. In our testing, converting a 45MB EXR file produced a 2MB WEBP that retained excellent visual quality for client review purposes.

How to Convert EXR to WEBP

  1. Upload your EXR file - Drag and drop or click to select your OpenEXR image
  2. Select WEBP as output - Choose WEBP for optimal web compression
  3. Download your file - Get a lightweight, shareable image in seconds

No After Effects, Nuke, or Photoshop required. Convert directly in your browser.

EXR vs WEBP: Key Differences

These formats serve completely different purposes:

  • EXR (OpenEXR) - Developed by Industrial Light & Magic for VFX work. Stores 32-bit floating-point color data, multiple channels, and extreme dynamic range. Files are large-often 20-100MB for a single frame
  • WEBP - Created by Google for web delivery. Supports both lossy and lossless compression. Smaller than JPG at equivalent quality, with transparency support

EXR captures everything for professional editing. WEBP delivers efficiently for viewing.

When to Convert EXR to WEBP

Client Previews

Send quick previews to clients who don't have VFX software. WEBP opens in any browser-no plugins needed.

Portfolio Websites

Showcase your compositing work without killing page load times. WEBP delivers excellent quality at a fraction of the file size.

Social Media Sharing

Most platforms don't accept EXR uploads. Convert to WEBP for Instagram, Twitter, or Behance posts.

Understand the Trade-offs

Converting EXR to WEBP means losing HDR data. The 32-bit color depth gets compressed to 8-bit, and multiple render passes merge into a single flat image. This is fine for sharing and viewing-but keep your original EXR files for any actual editing work.

For preserving more detail in standard formats, consider EXR to PNG for lossless compression, though files will be larger than WEBP.

Works on Any Device

Our converter runs entirely in your browser:

  • Windows, Mac, Linux, ChromeOS
  • Chrome, Firefox, Safari, Edge
  • No software to install or accounts to create

Your files stay on your device during conversion-nothing gets uploaded to external servers.

Pro Tip

When converting EXR sequences for web galleries, batch convert and use consistent naming. WEBP's smaller file size means faster page loads when displaying multiple VFX stills.

Common Mistake

Deleting EXR originals after converting to WEBP. The HDR data can't be recovered-always archive your EXR files before distributing compressed versions.

Best For

VFX artists and 3D artists who need to share renders with clients, post work to portfolios, or create quick previews without complex export workflows.

Not Recommended

Don't convert to WEBP if you need to do further compositing or color grading. WEBP is a delivery format-keep EXR for any editing work.

Frequently Asked Questions

EXR (OpenEXR) is a high-dynamic-range image format developed by Industrial Light & Magic for visual effects work. It stores 32-bit color data and multiple channels, making it standard in film, VFX, and 3D rendering pipelines.

You'll lose HDR data and bit depth-EXR's 32-bit floating-point converts to WEBP's 8-bit. For viewing and sharing, the difference is minimal. For editing, keep your original EXR files.

WEBP offers better compression than JPG at similar quality and smaller file sizes than PNG. It also supports transparency, making it ideal for modern web use.

Yes. Upload multiple EXR files and convert them all to WEBP in a single batch. Useful for converting frame sequences or multiple render outputs.

No. Our browser-based converter handles EXR files directly. You don't need After Effects, Nuke, Blender, or any other professional software.

EXR files come from VFX and 3D applications like Nuke, After Effects, Blender, Maya, Houdini, Cinema 4D, and DaVinci Resolve. They're the standard output for professional renders.

Yes. WEBP supports alpha channel transparency, so if your EXR has transparency data, it can be preserved in the WEBP output.

Yes, completely free with no limits on file count. No registration required, no watermarks added to your converted images.

All modern browsers support WEBP including Chrome, Firefox, Safari, Edge, and Opera. Legacy Internet Explorer doesn't, but it's no longer widely used.

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