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QSDC

Seung Hyun Jin

No ratings yetPhoto & VideoAges 4+

Get it free on the App StoreOpens Apple's App Store

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About this app

QSDC is a fast culling and viewer app for the photos on your SD card — without importing them first. Plug in a card reader, review on the spot, and download only the shots you want to Photos. It never writes to the card — fully non-destructive. WHO IT'S FOR · Photographers who need to cull hundreds of shots quickly after a shoot · Anyone who wants to check and select high-resolution RAW (RAF, etc.) in the field · People who'd rather keep their camera roll clean and import only the keepers KEY FEATURES · Import-free SD browsing — open the card and view without importing · Fast culling marks — sort into Keeper / B-cut (maybe) / Reject, and filter by mark · Photos-like browsing — smooth zoom transition, swipe paging, swipe down to dismiss · 100% zoom — check focus and detail at native pixels · Composition guides — rule of thirds, golden ratio, golden triangle (long-press to switch) · RAW dual-path — fast embedded previews for browsing, full decode for precise checks · Sort — by capture date, newest or oldest first · Download keepers only — save just the photos you picked; already-downloaded shots are marked, and duplicates can be skipped · Photo info — lens, focal length (35mm equivalent), aperture, shutter, ISO and exposure compensation, plus camera, resolution and bit depth · Per-card thumbnail cache — set retention and a size cap, with low-space warnings · Camera-roll grid — adjustable columns, portrait and landscape · Non-destructive (read-only) — never deletes or alters photos on the card HIGHLIGHTS · Light & dark themes, minimal UI that puts photos first (customizable detail background) · iPhone and iPad, with smooth layout across rotation · No ads, no sign-up, no network — everything runs on device Start culling the photos on your card, fast and light, with QSDC.

What's new

Version 1.2.1 · Nov 14, 2026

The SD card on the app icon is now brighter and easier to see.

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