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HDR to DOCM Converter

Online HDR to DOCM converter — no install needed

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Rapid Delivery

HDR to DOCM conversion finishes in seconds for most files. Cloud servers process quickly so you get results without waiting.

Data Safety First

All uploaded HDR data is wiped after processing. Converted DOCM results expire from the server within 24 hours automatically.

Broad Format Support

HDR converts to DOCM and many other formats on Convertio. One upload, multiple output options — flexible for any workflow.

How to convert HDR to DOCM

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose docm or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your docm file right afterwards

About formats

HDR (also known as RGBE or Radiance HDR) is a high-dynamic-range image format created by Greg Ward Larson as part of the Radiance lighting simulation system, developed at Lawrence Berkeley National Laboratory starting in 1985 with the HDR format emerging around 1989. The format stores floating-point RGB pixel values using a compact 32-bit-per-pixel encoding called RGBE (Red, Green, Blue, Exponent): three 8-bit mantissa bytes share a single 8-bit exponent, representing luminance values across a range of roughly 76 orders of magnitude while keeping file sizes comparable to standard 24-bit images. HDR files begin with a text header containing rendering and exposure metadata, followed by the RGBE pixel data compressed with a scanline-oriented run-length encoding scheme. The format captures the full luminance range of real-world scenes — from deep shadows to direct sunlight — enabling physically accurate lighting calculations, tone mapping to different display conditions, and post-capture exposure adjustment without the clipping artifacts inherent in 8-bit formats. One advantage is the format's foundational role in HDR imaging: Radiance HDR pioneered the concept of storing real-world luminance values in image files, and the .hdr format became the standard for light probe images and environment maps used in image-based lighting across the 3D rendering industry. The format's compact encoding is another practical strength — the RGBE scheme provides far more dynamic range than 8-bit formats while using only 33% more storage per pixel, a favorable tradeoff that made HDR practical on storage-limited systems of the late 1980s. HDR files are supported by Photoshop, GIMP, ImageMagick, Blender, and all major 3D renderers.
Developer: Greg Ward Larson
Initial release: 1989
DOCM is a macro-enabled document format for Microsoft Word, introduced with Office 2007 as part of the Office Open XML family. Structurally identical to DOCX — a ZIP archive containing XML parts for document content, styles, themes, and media — DOCM adds the ability to store and execute VBA (Visual Basic for Applications) macro code within the document. The separate .docm extension was a deliberate security measure: users and administrators can distinguish macro-containing files by extension alone, and group policies can restrict macro-enabled formats while allowing standard DOCX documents to open freely. DOCM files store VBA projects in a vbaProject.bin stream within the ZIP package alongside the same XML document content used by DOCX. Macros in Word documents enable automated report generation, custom form processing, document assembly from templates and data sources, and integration with external systems. One advantage is document-level automation — a DOCM file can include routines that populate content from databases, enforce formatting rules, validate fields before submission, or generate derivative documents automatically. The format preserves full compatibility with the OOXML specification, so all standard Word features — styles, tracked changes, comments, embedded media — work identically to DOCX. DOCM is supported by Microsoft Word on Windows and macOS, with macro execution limited to the desktop application.
Developer: Microsoft
Initial release: January 30, 2007

Frequently Asked Questions

Why convert HDR to DOCM?

When extracting panoramas or environment maps for reference, HDR to DOCM makes them usable outside rendering software.

What programs open DOCM files?

Microsoft Word, LibreOffice Writer, and WPS Office open DOCM files. Macros run only in Word

Will the converted DOCM keep the original resolution?

Yes — the default conversion preserves the original pixel dimensions

Does HDR to DOCM conversion preserve quality?

The converter optimizes for best visual fidelity. DOCM may apply compression

Can I convert HDR to DOCM without paying?

Yes — basic HDR to DOCM conversion is available at no cost. Paid tiers unlock batch mode, bigger uploads, and faster processing.

Is tonemapping applied during conversion?

When converting Radiance HDR luminance data to a displayable format like DOCM, tonemapping maps the full range into visible output.