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SPECIFICTION
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FastStone Image Viewer

faststone.org

Free plan Windows
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Spec score 8.3 #5 of 34 in Photo Viewer Software

What it is

FastStone Image Viewer is a Windows image browser, converter, and editor for individual images and collections. Editing tools include resizing, rotation, cropping, color adjustment, sharpening, blur, Clone Stamp, and Healing Brush. It supports major graphic formats and popular camera RAW formats, including HEIC, WEBP, PDF, SVG, and JPEG XL. The Compare Images feature displays up to four pictures side by side, while batch tools convert and rename collections. Slideshows offer more than 150 transition effects and music. The program can acquire images from scanners and batch scan to PDF, TIFF, JPEG, or PNG. Users can launch external editors from within Image Viewer, and a portable version can run from removable storage. FastStone lists personal and educational use as free and a commercial lifetime license at $34.95 as a one-time purchase, with upgrades free. Another plan listing gives a price of $34.95 a month, so the commercial license terms should be confirmed before purchase. The product is listed for Windows, and FastStone provides technical support by email.

Spec sheet

Product
FastStone Image Viewer is an image browser, converter, and editor.Read 28 Sep 2026 · faststone.org
Free plan
YesRead 20 Sep 2026 · faststone.org
Support
FastStone lists technical support by email at [email protected].Read 28 Sep 2026 · faststone.org
Headquarters
Alberta, CanadaRead 28 Sep 2026 · faststone.org
Batch tools
It offers configurable batch conversion and renaming for image collections.Read 28 Sep 2026 · faststone.org
Company location
FastStone lists its location as Alberta, Canada.Read 28 Sep 2026 · faststone.org
Comparison
The Compare Images feature can display up to four images side by side.Read 28 Sep 2026 · faststone.org
Editing
Its editing tools include resizing, rotation, cropping, color adjustments, sharpening, blur, Clone Stamp, and Healing Brush.Read 28 Sep 2026 · faststone.org
External editors
Users can launch favorite external editors from within Image Viewer using a keystroke.Read 28 Sep 2026 · faststone.org
Formats
It supports major graphic formats and popular camera RAW formats, including HEIC, WEBP, PDF, SVG, and JPEG XL.Read 28 Sep 2026 · faststone.org
Portable use
A portable version can run from removable storage.Read 28 Sep 2026 · faststone.org
RAW photo support
YesRead 20 Sep 2026 · faststone.org
Scanner support
It can acquire images from scanners and batch scan to PDF, TIFF, JPEG, and PNG.Read 28 Sep 2026 · faststone.org
Security claims
FastStone states that its programs contain neither adware nor spyware.Read 28 Sep 2026 · faststone.org
Slideshows
Its slideshow supports more than 150 transition effects and music.Read 28 Sep 2026 · faststone.org

Plans and prices

Personal and educational Price not published Free for personal and educational use Read 20 Sep 2026 · faststone.org
Commercial lifetime license $34.95 a month Price per user; one-time lifetime license 1 user Read 20 Sep 2026 · faststone.org
FastStone Image Viewer (personal and educational use) Free Free for personal and educational use Read 28 Sep 2026 · faststone.org
FastStone Image Viewer (commercial license) $34.95, paid once One-time; lifetime license; upgrades free Commercial license; personal and educational use is free Read 28 Sep 2026 · faststone.org

Every FastStone Image Viewer plan and price →

Strong points and limits

Strong points

  • Edits include cropping, sharpening, and healing
  • Compares up to four images side by side
  • Batch conversion and renaming are available
  • Portable version can run from removable storage
  • Free for personal and educational use

Limits

  • Windows is the only listed platform
  • Commercial pricing is listed with conflicting terms
  • No free trial is listed

Who it suits

It suits Windows users who want image browsing, editing, conversion, or batch work in one program. Its scanner tools and RAW format support may also fit photo workflows.

Verdict

FastStone Image Viewer combines browsing, editing, scanning, and batch tools for Windows. Confirm the commercial price basis before buying, since the listings give different billing terms.

Where Specifiction places it

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