Picasa 3.9.138.150 For Windows -

A powerful, open-source professional photo management application with advanced offline facial recognition.

To help find the right setup for your photo library, let me know: Which are you currently running?

: Includes 24 artistic effects like "Lomo-ish," "CinemaScope," and "Vignette".

Lacks native, optimized support for newer formats like HEIC/HEIF. Modern Alternatives to Consider Picasa 3.9.138.150 for Windows

Upon first launch, Picasa will ask whether to scan your entire computer or only specific folders (My Documents, My Pictures). Choose specific folders to prevent the software from clogging your library with system icons and game textures.

While Picasa holds a nostalgic and functional place, there are many excellent, modern alternatives. These tools offer updated features, ongoing support, and enhanced security: | Alternative Tool | Platform(s) | Key Features & Summary | | :--- | :--- | :--- | | | Windows, Mac, Linux | Free and open-source professional-grade photo management with support for over 590 RAW camera formats. | | FastStone Image Viewer | Windows | Lightweight, fast image viewer and converter with a familiar interface and a robust set of editing tools. | | Adobe Lightroom | Windows, Mac, iOS, Android | Industry-standard, non-destructive editing and powerful cloud-based organization, with AI-assisted search and professional workflows. | | Lap | Windows, Mac, Linux | A modern, open-source, and privacy-focused photo manager. Its AI-powered search and face recognition run entirely offline on your device. | | Fly Photos | Windows (Microsoft Store) | An ultra-light, fast modern replacement for the Picasa Photo Viewer built with WinUI 3. It offers a very similar viewing experience with instant startup. | | ImageGlass | Windows | A lightweight, open-source image viewer focused on simplicity and a clean interface, perfect for quickly viewing and browsing image files. | | Ente Photos | Windows, Mac, Android, iOS | A privacy-first alternative that offers end-to-end encrypted cloud storage and sync for your photos, with machine learning for face recognition. | | PicOrganizer | Online (no upload) | A free online tool that uses EXIF data to automatically sort your photo library by date, location, and device without uploading any files to a server. |

If you love Picasa but want a modern, actively supported alternative for Windows, consider these excellent options: Lacks native, optimized support for newer formats like

The organization features extend beyond simple file management. Users could leverage:

for instant, automatic color and lighting correction. Advanced tuning for lighting, shadows, and highlights.

Cinematic filters, vignette, duo-tone, heat maps, and posterization. While Picasa holds a nostalgic and functional place,

However, if your workflow relies on cloud backups, easy sharing on modern social media, or editing photos on a smartphone, you are better served by solutions like (paid), Google Photos (cloud-based), or open-source alternatives like digiKam .

: One of its standout features is the "People" tool, which uses face-matching technology to group photos of the same person across your entire library. Geotagging

The bundled Picasa Photo Viewer is arguably one of the fastest and most elegant Windows image viewers ever created, far outperforming the native Windows Photos app in speed and simplicity. Key Features of Version 3.9.138.150

When you crop, retouch, or apply filters to an image, Picasa saves those instructions separately. Your original file remains completely untouched until you explicitly "Export" or "Save" a new copy.