PPTX to SUN Converter

Convert PPTX to SUN Rasterfile images — free online

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Presentations to UNIX Bitmaps

Render PPTX slides as SUN Rasterfile images compatible with Sun Microsystems workstations, UNIX research tools, and legacy computing environments.

Workstation Compatible

SUN format output runs natively on Sun UNIX workstations and is recognized by major cross-platform image tools — from ImageMagick to professional viewers.

Private Conversion

Uploaded PPTX presentations are deleted immediately after processing. SUN image downloads are removed from servers within 24 hours.

How to convert PPTX to SUN

1

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

2

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

3

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

About formats

PPTX is the default file format for Microsoft PowerPoint presentations since Office 2007, based on the Office Open XML (OOXML) standard published as ECMA-376 and later adopted as ISO/IEC 29500. A PPTX file is a ZIP archive containing XML documents that describe slide content, layouts, themes, relationships, and metadata in a structured, human-inspectable hierarchy. Each slide, slide layout, and slide master is stored as a separate XML part, with media assets (images, audio, video) and embedded objects kept in dedicated directories within the package. The XML foundation enables programmatic creation and manipulation of presentations using standard XML tools and libraries — developers can generate, modify, or extract content from PPTX files without requiring PowerPoint itself. One significant advantage is openness and interoperability: the fully documented OOXML specification allows any software to read and write PPTX files, and the format is supported by LibreOffice Impress, Google Slides, Apple Keynote, and numerous other tools. Built-in ZIP compression is another practical strength — PPTX files are typically 50-75% smaller than equivalent PPT files, reducing storage and transfer costs. The format supports all modern PowerPoint features including SmartArt, 3D models, morph transitions, embedded fonts, accessibility metadata, and co-authoring capabilities. PPTX has become the standard interchange format for presentation content worldwide.
Developer: Microsoft
Initial release: January 30, 2007
SUN is a raster image format associated with Sun Microsystems workstations, encompassing both the Sun Raster format (.ras) and the Sun Icon format used for window system icons and cursors on SunOS and Solaris systems. Sun Raster files, identifiable by their 0x59a66a95 magic number, store bitmap images in 1-bit monochrome, 8-bit indexed color, 24-bit BGR, or 32-bit XBGR modes, with optional run-length encoding compression and a 32-byte header. The Sun Icon subset is a simpler text-based format used for small monochrome bitmaps — window icons, cursor images, and toolbar graphics — stored as C-language data arrays that could be directly compiled into X Window and SunView applications. These icon files begin with a comment block specifying width, height, and optionally hot spot coordinates (for cursor images), followed by hexadecimal pixel values in a format readable by both the C compiler and the iconedit tool. Sun workstations running SunOS and later Solaris were foundational platforms for Unix computing, networking, and the early internet, and the SUN image formats were integral to their graphical environments. One advantage is the format's dual text/binary nature: Sun Icons are valid C source code that can be #included directly into applications, a practical approach to resource embedding that predates modern asset management systems. The Sun Raster variant's simplicity provides another strength — the 32-byte header and straightforward encoding make it one of the easiest binary image formats to parse. SUN format files are supported by ImageMagick, GIMP, XnView, and Unix image viewing tools.
Developer: Sun Microsystems
Initial release: 1982

Frequently Asked Questions

Why convert PPTX to SUN?

SUN Rasterfile is the native bitmap format for Sun UNIX workstations — required when slide visuals must display on legacy Sun Microsystems hardware or integrate with UNIX tools.

How do I open SUN files?

ImageMagick, XnView, and IrfanView read SUN Rasterfile images. On Sun workstations running SunOS, the format is natively recognized by the display system.

Does SUN support color images?

Yes — SUN Rasterfile supports full-color RGB images and grayscale. It does not, however, include transparency — transparent slide elements render as solid colors.

How is SUN different from RAS?

SUN and RAS are alternate names for the same Sun Rasterfile format. SUN is the format name, RAS is the common file extension — the data structure is identical.

Is PPTX to SUN free on Convertio?

Yes, Convertio provides this conversion at no charge. Premium plans add batch conversion, larger upload sizes, and faster processing priority.

Is the SUN format still relevant?

SUN Rasterfile remains used in legacy UNIX environments and research computing. For modern work, it serves as an interchange format with retro Sun Microsystems systems.

PPTX to SUN Quality Rating

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