What is QingTu? A local Windows image viewer from Shenzhen Cluster Tech (DAJIQUN): open, drag-drop, or launch via “Open with.” Folder browse, wheel zoom, rotate, fullscreen, thumbnails and overview map. Ad-free, no forced network, free for personal use; installer via GitHub Releases with optional in-app updates.

Since 2019 DAJIQUN has focused on component digital acquisition; public capability includes 30M+ MPN-scale architecture. QingTu is our first public desktop viewer for everyday screenshots and engineering assets. Product page: QingTu.

Why build it

• Ad-free — no popups or bundles.
• Local-first — images stay on your PC; update checks are optional.
• Formats that matter — JPG, PNG, GIF, WebP, BMP, AVIF, ICO, SVG, TIFF, HEIC/HEIF, CUR.
• Free download — Windows x64 setup on GitHub Releases.

What shipped

Open and folder browse with optional thumbnail rail; zoom/pan with overview map; settings for lock-zoom, sharp display and updates; light edit (crop/rotate and basic tools). See screenshots on the product page.

How to download

1. Open the QingTu page and download the Windows x64 installer;
2. Or use GitHub Releases;
3. Associate common formats via “Open with”; check updates in Settings after install.

Public build v0.1.0. Personal/non-commercial free use; commercial rollout or customization via Contact.

FAQ

Is QingTu free? Any ads?

Free for personal use; no ads or bundles; no forced network.

Which OS and formats?

Windows x64; common formats including JPG, PNG, WebP, HEIC, TIFF, SVG—see the product page.

Are images uploaded?

Viewing and editing are local. Update metadata comes from GitHub Releases; we do not upload your images.

More tools: Tools & Software hub, SEO+GEO suite.