Quick BRT
Batch background removal and resizing, built for Discord.
A Windows desktop app that batch-removes solid black image backgrounds and batch-resizes images. It strips only edge-connected black, so black detail inside the subject survives, and exports transparent WebP by default. All in an OLED true-black UI.
What it does
Drop a folder. Get clean, Discord-ready images.
Built for the repetitive part of making art post-ready, so you do not have to touch each file by hand.
Drag and drop
Drop in single images or whole folders. Original filenames are kept on output, so nothing gets scrambled.
Edge-aware black removal
Removes only the edge-connected black background and preserves black detail inside the subject, with tunable tolerance, feather, and edge cleanup.
Transparent output
Transparent WebP by default for small, clean files, with a lossless PNG fallback when you need it.
Discord size targets
Discord-oriented size goals with automatic quality reduction, and an option to resize only when a file is actually over the limit.
Built-in resizer
A full Image Resizer tab: scale presets (x8 down to /8), custom dimensions, or aspect ratio plus a long edge, with fit, fill/crop, and stretch behaviors.
Smart detection
Auto-detects the first image's dimensions and simplified aspect ratio, like 512 x 512 (1:1), so presets line up with what you dropped in.
Parallel processing
Processes images in parallel with an automatic CPU-based worker count and a rolling queue, so huge folders fly without choking the machine.
OLED true-black UI
A calm, true-black interface that is easy on the eyes for long batch sessions.
Honest diagnostics
Launch diagnostics and a live log record the Python, PySide6, Pillow, NumPy, and OpenCV versions so issues are easy to pin down.
Get notified
We will email you when the Quick BRT download goes live.