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Blow Up 3.1.8 for Mac

Blow Up 3.1.8 for Mac

Mac Utilities
Updated Aug 15, 2026
Mac Utilities • Updated Aug 15, 2026

Blow Up from Exposure Software does one job that matters at print time. It resizes a photo to a much larger size while keeping edges crisp and detail natural. Normal resize tools often leave soft edges or odd artefacts when you push a file hard. Blow Up was made to avoid that, so portraits, landscapes and product shots hold up on posters, canvas and wall prints. It works as a plug in with tools photographers already use. You set the print size, pick a crop if needed, and let it do the heavy lifting.

Key Features

  • Enlarges photos to large print sizes with sharp, clean edges
  • Presets for common photo papers and standard print sizes
  • Output sharpening matched to paper type for better printed results
  • Handles CMYK images and files with greater colour depth
  • Batch work through Lightroom, plus Photoshop and Exposure support

How to Download

  1. Download from the official site and get Blow Up from Exposure Software.
  2. Install it, then open your host app such as Photoshop or Lightroom.
  3. Open a copy of your photo, set size and paper preset, and save the enlarged file.

System Requirements

You need a Mac that runs a supported host app such as Photoshop, Lightroom or Exposure, plus enough free space for large print files. A clear source photo always enlarges better than a blurry one.

FAQs

Will Blow Up fix a blurry photo?

No. It enlarges what is already there and keeps edges clean, but it cannot invent detail the camera never captured.

Do I need Photoshop to use it?

No. Blow Up also works with Lightroom and Exposure, and Lightroom use does not require Photoshop.

What is it best used for?

Large prints such as posters, canvas wraps and exhibition prints, where soft edges would clearly show.

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