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Convert PUB to ICO Online Free

Fast, free, and private Microsoft Publisher to Windows Icon converter. Get SD and HD quality versions — no upload, no registration required.

Drop your PUB file here

or click to browse files

.pub accepted

Why Convert PUB to ICO?

Microsoft Publisher files are specialized design documents that require dedicated software like Photoshop or GIMP to open. Converting to ICO creates a flat, universally compatible image that can be viewed on any device, shared online, or used in documents and presentations.

How to Convert PUB to ICO

  1. Drag and drop your PUB file onto the upload area above, or click to browse
  2. Adjust SD and HD quality settings if needed (optional)
  3. Click "Convert to ICO" to process your image
  4. Compare the SD and HD results side by side
  5. Download your preferred ICO version

About PUB Format

Microsoft Publisher (PUB) is a widely used image format. PUB is Microsoft Publisher's format for desktop publishing layouts, flyers, and marketing materials.

About ICO Format

Windows Icon (ICO) is a popular image format. ICO is Windows' icon format, containing multiple image sizes for favicons and app icons.

Frequently Asked Questions

Is it free to convert PUB to ICO?

Yes, FxtImg is 100% free. No hidden fees, watermarks, or file limits. Convert as many PUB files to ICO as you need.

Are my PUB files uploaded to a server?

No. All conversion happens in your browser using client-side technology. Your images never leave your device.

What is SD vs HD quality?

SD (Standard Definition) uses lower quality and smaller dimensions for compact files — great for web and social media. HD preserves maximum quality and original dimensions for professional use.

What is the max file size?

Processing is client-side, so there is no server limit. Very large files (50MB+) may be slower depending on your device.

Can I batch convert PUB files?

Currently FxtImg processes one image at a time for best quality. Convert, download, then click "Convert Another" for the next.

Why convert PUB to ICO?

Microsoft Publisher files are specialized design documents that require dedicated software like Photoshop or GIMP to open. Converting to ICO creates a flat, universally compatible image that can be viewed on any device, shared online, or used in documents and presentations.

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