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Image Conversion

Convert PNG to ODD — Free Online Converter

Convert Portable Network Graphics (.png) to One Document Does-it-all (.odd) online for free. Fast, secure image conversion with no watermarks or regis...

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Works Everywhere

Any browser, any device

How to Convert

1

Upload your .png file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .odd file when it's ready.

About PNG to ODD Conversion

PNG (Portable Network Graphics) is the web's standard lossless image format, supporting 8-bit and 16-bit color with alpha channel transparency. ODD (OpenDocument Drawing) is LibreOffice Draw's format for creating annotated documents combining raster images with vector overlays.

Converting PNG to ODD embeds the lossless image into a Draw document for annotation. This is one of the most practical image-to-ODD conversions because PNG is the format most commonly used for screenshots, UI mockups, diagrams, and web graphics — all of which frequently need annotation.

Why Convert PNG to ODD?

Screenshots and UI mockups captured as PNG are the primary inputs for software documentation, bug reports, and design review documents. Converting to ODD places these captures into LibreOffice Draw where reviewers can circle problem areas, add numbered callouts, draw arrows pointing to specific UI elements, and write descriptive notes.

PNG's alpha channel transparency is preserved in the ODD, making it possible to create layered compositions where transparent PNG elements are combined with Draw's vector tools on a custom background.

Common Use Cases

  • Create annotated software documentation from PNG screenshots with numbered callout labels
  • Build design review documents with marked-up PNG UI mockups and revision notes
  • Prepare annotated bug reports with circled problem areas on PNG screen captures
  • Compose layered visual documents combining transparent PNG elements with vector shapes

How It Works

The conversion reads the PNG file's DEFLATE-compressed pixel data (including alpha channel if present), and embeds the full raster image into an ODD XML package. PNG's lossless compression means the embedded image is pixel-perfect. The ODD stores the image within a ZIP container alongside XML layout definitions.

Quality & Performance

PNG's lossless compression ensures every pixel is preserved exactly in the ODD document. Alpha channel transparency is maintained, allowing transparent PNG elements to composite correctly with Draw backgrounds and other objects.

SHARP EngineFastMinimal Quality Loss

Device Compatibility

DevicePNGODD
Windows PCNativePartial
macOSNativePartial
iPhone/iPadNativePartial
AndroidNativePartial
LinuxPartialPartial
Web BrowserNativeNo

Tips for Best Results

  • 1Use numbered callout shapes in Draw for professional software documentation screenshots
  • 2Take advantage of PNG transparency to layer annotated screenshots over custom backgrounds in Draw
  • 3Create multi-page ODD documents to organize annotated screenshots by feature or workflow step
  • 4Export annotated screenshot documentation to PDF for sharing with development teams

PNG to ODD is the standard conversion for creating annotated documentation from screenshots and web graphics, leveraging PNG's lossless quality and transparency in LibreOffice Draw's vector editing environment.

Frequently Asked Questions

Yes. PNG's alpha channel is fully preserved in the embedded image, allowing transparent areas to show the Draw page background or underlying objects.
Yes. Draw's callout arrows, numbered circles, rectangles, and text boxes are ideal for creating professional annotated screenshot documentation.
Approximately the same size, since the PNG data is embedded directly. Large PNG files (10+ MB) produce correspondingly large ODD files.
For annotation work, yes. Draw provides vector drawing tools optimized for visual annotation. Word is better for text-heavy documents with embedded images.

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