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Convert EXR to TXT - Extract Image Data as Text

Turn OpenEXR metadata and pixel data into readable text format.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

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Why Extract Text from EXR Files?

EXR files contain more than just pixel data. OpenEXR images store extensive metadata including render settings, camera information, channel names, and technical specifications. Sometimes you need this information in a readable, searchable text format.

Converting EXR to TXT extracts this embedded data as plain text, making it accessible for documentation, analysis, or integration into other workflows. In our testing, EXR files from professional VFX software often contain dozens of metadata fields that become fully readable after conversion.

How to Convert EXR to TXT

  1. Upload your EXR file - Drag and drop or click to select your OpenEXR image
  2. Select TXT as output - Choose plain text format for maximum compatibility
  3. Download your text file - Get your extracted data instantly

The entire process happens in your browser. No software installation required, and your files stay on your device.

What Data Gets Extracted

When you convert EXR to TXT, you can access various types of information embedded in the file:

  • Image dimensions - Width, height, and display window data
  • Channel information - RGB, Alpha, depth passes, and custom AOVs
  • Compression type - PIZ, ZIP, DWAA, or other compression methods used
  • Render metadata - Software version, render time, scene information
  • Color space data - Chromaticities and gamma information

This technical data is invaluable for VFX pipelines, archiving projects, or troubleshooting render issues.

Common Use Cases

VFX Pipeline Documentation

Studios need to track render specifications across hundreds of shots. Converting EXR metadata to text files makes this information searchable and easy to include in production databases.

Quality Control Workflows

Before final delivery, QC teams verify that EXR files meet technical specifications. Text-based metadata reports streamline this verification process.

Archival and Asset Management

Long-term project archives benefit from having readable text logs alongside the actual image files. Years later, you can quickly check file specs without specialized software.

EXR Format Background

OpenEXR was developed by Industrial Light & Magic and released as open-source in 2003. It has become the standard format for high dynamic range imagery in film and television production. Unlike formats like JPG or PNG, EXR supports 16-bit and 32-bit floating-point color depth, making it essential for professional compositing.

The format's ability to store arbitrary metadata and multiple image layers in a single file makes it powerful but also means there is substantial data that can be extracted as text.

When to Use a Different Format

If you need to preserve the actual image for viewing, converting to EXR to JPG or EXR to PNG would be more appropriate. TXT conversion is specifically for extracting textual data and metadata, not for maintaining visual image content.

For data analysis requiring structured formats, you might also consider XML export if your workflow requires it.

Pro Tip

When archiving VFX projects, export EXR metadata to TXT alongside your image files. Years later, you can quickly search these text files to find shots with specific render settings or camera data without opening heavy image files.

Common Mistake

Expecting the TXT output to contain viewable image data. EXR to TXT extracts metadata and technical information only. For visual conversion, use EXR to PNG or EXR to JPG instead.

Best For

VFX supervisors documenting render specifications across multiple shots, QC teams verifying technical requirements, and studios building searchable asset databases from production files.

Not Recommended

If you simply want to view or share your EXR image. Text conversion is for data extraction workflows, not for making images accessible to people who lack EXR viewing software.

Frequently Asked Questions

EXR (OpenEXR) is a high dynamic range image format developed by Industrial Light & Magic. It's the industry standard for visual effects and film production, supporting 16-bit and 32-bit color depth plus extensive metadata storage.

You can extract image dimensions, channel information (RGB, Alpha, depth passes), compression type, render metadata, color space data, and any custom attributes embedded by the rendering software.

No. TXT conversion extracts metadata and data information as readable text. It does not preserve the visual image. If you need to keep the image viewable, convert to JPG or PNG instead.

Common reasons include VFX pipeline documentation, quality control verification, asset management databases, archival records, and troubleshooting render issues by examining technical specifications.

Yes. Our converter supports batch processing, allowing you to extract data from multiple EXR files in a single session. This is particularly useful for processing entire sequences.

Yes. The converter handles standard OpenEXR files regardless of whether they were created in Nuke, After Effects, Blender, Maya, Houdini, or other applications that export EXR.

Conversion happens directly in your browser. Your EXR files are not uploaded to any server, ensuring your proprietary VFX work remains completely private.

Multi-layer EXR files (containing beauty passes, AOVs, depth, etc.) will have all layer information extracted and listed in the text output, making it easy to inventory what the file contains.

Absolutely. TXT is the most universal text format. You can open it in any text editor, spreadsheet application, or import it into databases and scripts on any operating system.

No. Text extraction captures metadata exactly as stored in the EXR file. All numerical values, strings, and technical specifications are preserved with full precision in the output.

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