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FastStone Image Viewer

Free

A fast, user‑friendly image viewer and editor for Windows.

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4.6 Editor Rating
Vetted Score
4.6 / 5.0

Earns a high score for its speed, extensive format support, and intuitive editing features, making it a go‑to free tool for Windows users.

Key Features
Fast Image Viewing

Supports a wide range of formats (JPEG, PNG, GIF, BMP, TIFF, RAW) with smooth zoom, pan, and thumbnail browsing.

Basic Editing Tools

Provides cropping, resizing, color adjustments, red-eye removal, and drawing tools directly within the viewer.

Batch Conversion & Renaming

Convert multiple images to different formats and apply renaming rules in one operation.

Slideshow with Effects

Create full‑screen slideshows with transition effects, music, and customizable timing.

Frequently Asked Questions

Yes, it is free for personal, educational, and non‑commercial use; a paid license is required for commercial deployment.

FastStone Image Viewer runs on Windows platforms, including Windows 7, 8, 10, and 11.

Yes, the built‑in batch conversion tool lets you convert and rename multiple files simultaneously.
Specifications
Pricing Model Completely free for personal, educational, and non‑commercial use; commercial licenses are available for a one‑time fee.
Supported Platforms
Windows 10/11Windows 7/8