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Convert HDR to ODT - Embed HDR Images in Documents

Transform Radiance HDR images into OpenDocument text files for technical documentation.

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 Convert HDR to ODT?

HDR (High Dynamic Range) files from Radiance rendering software contain lighting data that standard image viewers cannot display properly. When you need to include these technical images in documentation, reports, or project files, converting to ODT creates an editable document with the image embedded.

ODT (OpenDocument Text) is the open standard for word processing documents. It works with LibreOffice, OpenOffice, Google Docs, and many other applications. Converting your HDR files to ODT lets you add context, annotations, and explanations around your high dynamic range imagery.

How to Convert HDR to ODT

  1. Upload your HDR file - Drag and drop or click to select your Radiance HDR image
  2. Select ODT as output - Choose OpenDocument Text format from the options
  3. Download your document - Your HDR image is now embedded in an editable ODT file

The entire process happens in your browser. No software to install, no account required.

HDR vs ODT: Understanding the Formats

These formats serve completely different purposes:

  • HDR (Radiance RGBE) - Stores pixel data with extended dynamic range using a shared exponent system. Created for lighting simulation and 3D rendering workflows. Uses 32 bits per pixel to capture luminance values far beyond standard 8-bit images.
  • ODT (OpenDocument Text) - A text document format based on XML. Supports embedded images, formatting, tables, and structured content. Compatible with open-source office suites.

In our testing, the conversion preserves the visual appearance of HDR images while making them viewable in standard document applications. The extended dynamic range is tone-mapped to display correctly.

When to Use This Conversion

Technical Documentation

3D artists and lighting designers often need to document their rendering setups. Converting HDR output to ODT creates a self-contained document that colleagues can open without specialized software.

Project Reports

Architecture and visualization studios deliver HDR renders to clients. Embedding these in ODT documents allows adding notes, specifications, and context that travels with the image.

Educational Materials

Teaching lighting simulation or HDR photography? ODT files with embedded examples work across platforms and can be edited by students using free software.

Alternative Conversions

Depending on your goal, other formats may work better:

  • HDR to JPG - When you just need a viewable image without document wrapping
  • HDR to PNG - For lossless image quality with transparency support
  • HDR to PDF - When you need a non-editable document format

Choose ODT when you specifically need an editable document that can be modified in word processors.

Works in Any Browser

Convert HDR to ODT on any device:

  • Windows, Mac, Linux, Chromebook
  • Chrome, Firefox, Safari, Edge
  • Tablets and smartphones

Processing happens locally in your browser. Your HDR files stay on your device throughout the conversion.

Pro Tip

When documenting lighting setups, convert HDR output to ODT immediately after rendering. You can add exposure settings, camera data, and scene notes while the details are fresh, creating a complete technical record.

Common Mistake

Expecting ODT to preserve HDR dynamic range data. The conversion creates a viewable image, not a true HDR file embedded in a document. For archival purposes, keep your original HDR files.

Best For

Technical documentation workflows where 3D artists, lighting designers, or visualization teams need to share HDR renders with explanatory notes in an editable format.

Not Recommended

Simple image sharing. If you just want someone to view your HDR image, convert to JPG or PNG instead. ODT adds unnecessary document overhead for basic viewing.

Frequently Asked Questions

HDR (High Dynamic Range) is an image format created for the Radiance lighting simulation software. It uses RGBE encoding to store pixel values with greater precision than standard images, capturing lighting data that spans a wider brightness range.

ODT (OpenDocument Text) is an open standard document format used by LibreOffice, OpenOffice, and other word processors. It stores formatted text, images, and other content in an XML-based structure.

Converting HDR to ODT embeds the image in an editable document. This is useful for technical documentation, adding annotations, or sharing visual content with explanatory text in a single file.

The visual appearance is preserved, but the extended dynamic range data is tone-mapped for display in standard applications. ODT cannot store true HDR luminance values.

Yes. Open the converted file in LibreOffice Writer, OpenOffice, Google Docs, or any ODT-compatible application. You can add text, resize the image, or include additional content.

LibreOffice Writer, Apache OpenOffice, Google Docs, Microsoft Word (with some limitations), and most modern word processors support ODT format.

Yes. Our HDR to ODT converter is completely free with no limits on file size or number of conversions. No registration or payment required.

No. Conversion happens entirely in your browser using local processing. Your HDR files never leave your device, ensuring complete privacy.

Yes. Upload multiple HDR files and convert them all to ODT in a single batch operation. Each image becomes its own document.

For image-only output, convert HDR to JPG or PNG instead. These formats are better for viewing and sharing without document overhead.

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