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FastStone Image Viewer vs Kiwi for Gmail

Professional comparison and analysis to help you choose the right software solution for your needs.

FastStone Image Viewer icon
FastStone Image Viewer
Kiwi for Gmail icon
Kiwi for Gmail

FastStone Image Viewer vs Kiwi for Gmail: The Verdict

⚡ Summary:

FastStone Image Viewer: FastStone Image Viewer is a free, lightweight image viewing and organizing program. It has an intuitive interface and supports a wide range of image formats like JPEG, GIF, PNG, BMP as well as raw formats from major DSLRs. Useful features include batch editing tools, screen capture, color schemes, and the ability to view images in full screen slideshows.

Kiwi for Gmail: Kiwi for Gmail is a Chrome extension that enhances the Gmail experience by allowing users to schedule emails, snooze emails, follow up on emails, and more. It aims to help users manage their inbox better.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature FastStone Image Viewer Kiwi for Gmail
Sugggest Score — —
Category Photos & Graphics Office & Productivity

Product Overview

FastStone Image Viewer
FastStone Image Viewer

Description: FastStone Image Viewer is a free, lightweight image viewing and organizing program. It has an intuitive interface and supports a wide range of image formats like JPEG, GIF, PNG, BMP as well as raw formats from major DSLRs. Useful features include batch editing tools, screen capture, color schemes, and the ability to view images in full screen slideshows.

Type: software

Kiwi for Gmail
Kiwi for Gmail

Description: Kiwi for Gmail is a Chrome extension that enhances the Gmail experience by allowing users to schedule emails, snooze emails, follow up on emails, and more. It aims to help users manage their inbox better.

Type: software

Key Features Comparison

FastStone Image Viewer
FastStone Image Viewer Features
  • Supports all major image formats (JPEG, TIFF, PNG, GIF, BMP, PCX, TGA, WMF, ICO, etc)
  • Powerful image viewing features (zooming, panning, rotating, scrolling, drag-and-drop, etc)
  • Many image processing tools (resize, crop, color adjustments, add text/watermark, etc)
  • Batch conversion tools for converting images between formats, resizing, renaming, etc
  • Screen capture tool
  • Slideshow function
  • Basic image editing (brightness, contrast, saturation, etc)
  • Support for RAW files
  • Thumbnail preview pane
  • EXIF and IPTC metadata viewer
Kiwi for Gmail
Kiwi for Gmail Features
  • Email scheduling
  • Email snoozing
  • Email follow-ups
  • Email templates
  • Email tracking
  • Integration with Google Calendar

Pros & Cons Analysis

FastStone Image Viewer
FastStone Image Viewer

Pros

  • Free and open source
  • Intuitive and easy to use interface
  • Fast and lightweight
  • Supports many image formats
  • Lots of useful viewing, editing and organizing features

Cons

  • Lacks some advanced editing features of paid software
  • No cloud sync or storage features
  • No mobile app version
  • Limited batch editing capabilities compared to Lightroom
Kiwi for Gmail
Kiwi for Gmail

Pros

  • Helps manage inbox and stay organized
  • Allows scheduling emails for later
  • Snooze emails to reappear later
  • Easy to set up email reminders
  • Templates save time composing emails
  • Tracks open and click rates on emails

Cons

  • Available only as a Chrome extension
  • Requires Gmail account to use
  • Some features require paid subscription
  • Can take time to set up fully
  • Potential privacy concerns with email tracking

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Learn More About Each Product

FastStone Image Viewer
FastStone Image Viewer
Reviews, pricing & alternatives →
Kiwi for Gmail
Kiwi for Gmail
Reviews, pricing & alternatives →

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