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SageThumbs-2k
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SageThumbs-2k

Active·★ 272·NOASSERTION·Updated 2026-10-26

SageThumbs 2K is a modern, crash-isolated Rust shell extension for Windows 11 that extends File Explorer with thumbnails and QuickLook-style previews for 334 unsupported file types. It also provides a comprehensive right-click image toolkit for conversions, resizing, OCR, and more, streamlining various image-related tasks into a single utility.

SageThumbs-2k sits in the Data Processing category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Explorer thumbnails for 334 file types, including camera RAW, Photoshop PSD, HEIC/AVIF, video, ebooks, and 3D models.. A representative use case is Enhancing Windows File Explorer to display thumbnails for a vast array of unsupported media formats, from RAW photos to ebooks and videos.. The listed license is NOASSERTION. GitHub stars are currently 259. Relevant tags include Windows Shell Extension, File Explorer.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool.

#Windows Shell Extension#File Explorer#Image Thumbnailer#File Preview#Image Toolkit#OCR#Rust-based
$ Install
$ Download and run `SageThumbs2K-Setup-<version>.exe` from the GitHub releases page.
↗ Visit site★ GitHub
01

Features

01Explorer thumbnails for 334 file types, including camera RAW, Photoshop PSD, HEIC/AVIF, video, ebooks, and 3D models.
02QuickLook-style preview by pressing Space, offering instant full-size previews with video playback, syntax-highlighted code, PDF viewer, and more.
03Comprehensive right-click toolkit for image conversion (29 targets), resizing, lossless rotation, combining to PDF/CBZ, OCR, and stripping metadata, with parallel processing for multi-file jobs.
04Crash-isolated design ensures a corrupt or malicious file cannot crash File Explorer, operating out-of-process with sandboxed decoders.
05Integrated screen OCR functionality allows users to copy text from any screen region directly to the clipboard, with an editable window for corrections.
02

Why choose it

+Explorer thumbnails for 334 file types, including camera RAW, Photoshop PSD, HEIC/AVIF, video, ebooks, and 3D models.
+QuickLook-style preview by pressing Space, offering instant full-size previews with video playback, syntax-highlighted code, PDF viewer, and more.
+Enhancing Windows File Explorer to display thumbnails for a vast array of unsupported media formats, from RAW photos to ebooks and videos.
+Supports 3 platforms or runtime environments.
03

Trade-offs

!The final decision should still be made through side-by-side comparison with similar tools.
04

Compatibility

Windows
OS
Verified via docs
x64
Architecture
Verified via docs
ARM64
Architecture
Verified via docs
05

Quick start

1
$ Download and run `SageThumbs2K-Setup-<version>.exe` from the GitHub releases page.
06

Use cases

↳Enhancing Windows File Explorer to display thumbnails for a vast array of unsupported media formats, from RAW photos to ebooks and videos.
↳Rapidly previewing diverse file types like videos, syntax-highlighted code, multi-page PDFs, and 3D models directly from Explorer with a single key press (Space bar).
↳Performing common image manipulation tasks such as batch conversion, resizing, lossless rotation, and combining images into PDFs/CBZs directly from the right-click context menu.
↳Extracting and copying text from any part of the screen or within a file using the integrated OCR functionality for quick information retrieval.
↳Consolidating various utilities like thumbnailers, converters, color pickers, screenshot apps, and OCR tools into a single, efficient shell extension.
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On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07Alternatives
LunarWerxs /
SageThumbs-2k
↗

Windows 11 shell extension (Rust): Explorer thumbnails for 331 file types Windows can't show, including camera RAW, PSD, HEIC/AVIF, video, ebooks, comics and CAD. Crash-isolated, source-available rebuild of SageThumbs.

272
Last commit2d ago
StatusActive
CategoryData Processing
Links
Documentation↗Discussion↗Issues↗Releases↗
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