
Pro Knockout-Background Eraser & Mix Photo Editor for PC
Reviewed by Apps Playground Editorial Team · Updated
What's New
| Version | 19.3 |
| Size | 50.8 MB |
| What's New | 1. Added auxiliary switch for shifting flowers and connecting wood. 2. New size selection for ID photo storage: standard size, high-definition size (for entertainment only). 3. Fix some abnormal problems. |

Mobile photo editors often force you to work in cramped windows and juggle multiple taps to layer images. Pro Knockout-Background Eraser & Mix Photo Editor is built for users who cut out subjects from photos and composite them into new scenes: a workflow that demands precision and breathing room. On a desktop computer, you gain a full keyboard, mouse control for fine-edge work, and letting users keep reference windows open while editing, letting you move through complex cutouts and background swaps without constant context switching.
Running Pro Knockout-Background Eraser & Mix Photo Editor on Windows or Mac transforms mobile photo editing into a desktop-grade session. The core promise remains: isolate any subject (especially faces and hair) then drop it onto a new background or into a composite image. A real keyboard and larger workspace make the difference between fumbling through fiddly gestures and controlling your edits with intentional, repeatable precision.
One-Tap Cutout and Transparency Control
The app centers on a simple gesture: circle the object you want to remove from its background. Pro Knockout-Background Eraser & Mix Photo Editor then isolates that subject, leaving a transparent layer you can save as a PNG or place over another photo. Hair edges, shadows, and translucent areas are the toughest targets: the tool is designed specifically for those soft, feathered boundaries that trip up simpler erasers. On desktop, you work with your full mouse precision on these delicate selections.
Desktop Editing Workflow Features
Pro Knockout-Background Eraser & Mix Photo Editor for computer adds structure to composite work:
- Layer subjects onto a wide library of background images in one project
- Adjust and reposition cutout subjects after isolation, without re-cutting
- Add text to composites using an integrated text tool
- Export finished composites as standalone image files or transparent PNGs
- Build your own PNG stickers from cutout subjects for reuse
Session Setup and Performance on Windows
Launching Pro Knockout-Background Eraser & Mix Photo Editor on PC means your edits stay tied to one machine: no syncing across devices, but full local control. The interface is straightforward: import a photo, circle your target, refine the edge if needed, then pick a background or export the transparent cutout. On Android, users report the interface looks dated compared to iOS, and the eraser tool can feel sluggish unless you zoom in fully; desktop performance varies by your hardware, but mouse input eliminates the need for constant zooming to achieve steady cuts.
Compositing and Creative Limits
The app thrives in specific scenarios: swapping backgrounds for a subject, creating composite portraits, or building sticker assets for design work. It is not a full layer editor: you compose by overlaying one cutout onto one background. Subscription tiers control how many cutouts you can make per session (free users hit a daily limit after a few edits); paid tiers lift those caps and unlock extra backgrounds. Users praise the auto background eraser feature for its speed on clean subjects, though portrait detection sometimes fails, and cut quality can be inconsistent across multiple photos. The background eraser for pictures works best on distinct subjects with clear edges; softer transitions or complex overlaps may require manual refinement.
How to Download and Install Pro Knockout-Background Eraser & Mix Photo Editor for PC or MAC:
Select an Android emulator:  There are many free and paid Android emulators available for PC and MAC, few of the popular ones are Bluestacks, Andy OS, Nox, MeMu and there are more you can find from Google.
Compatibility:  Before downloading them take a look at the minimum system requirements to install the emulator on your PC.
For example,  BlueStacks requires OS: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP2, Windows XP SP3 (32-bit only), Mac OS Sierra(10.12), High Sierra (10.13) and Mojave(10.14), 2-4GB of RAM, 4GB of disk space for storing Android apps/games, updated graphics drivers.
Finally, download and install the emulator which will work well with your PC's hardware/software.
- Open the emulator software from the start menu or desktop shortcut in your PC.
- Associate or set up your Google account with the emulator.
- You can either install the app from Google PlayStore inside the emulator or download Pro Knockout-Background Eraser & Mix Photo Editor APK file and open the APK file with the emulator or drag the file into the emulator window to install Pro Knockout-Background Eraser & Mix Photo Editor for PC.
You can follow above instructions to install Pro Knockout-Background Eraser & Mix Photo Editor for PC with any of the Android emulators available.
Download Pro Knockout-Background Eraser & Mix Photo Editor

Pro Knockout-Background Eraser & Mix Photo Editor for PC
FAQ
Can I use Pro Knockout-Background Eraser & Mix Photo Editor offline on my PC?
The app works on your local machine, but some features (background library access and feature unlocks) may require a connection or account login. Check your internet status before starting a long editing session.
What happens to my edits if I export a transparent PNG?
Transparent PNGs save the cutout subject with no background, letting you import it into other design or photo apps. The original photo remains on your device unless you delete it.
Is the daily cutout limit enforced on desktop too?
Free-tier limits on the number of edits per day carry over to PC. A paid subscription removes these caps across all platforms where you use the app.
Why does the app ask for device permissions?
Reviews flag permissions requests for device data, phone calls, and IMEI information: far beyond what a photo editor should need. These requests are a known concern; evaluate whether the permissions align with your privacy comfort before signing in.
How does desktop mouse control improve the cutout process?
A mouse lets you trace edges with fine, deliberate strokes instead of relying on touch gestures. For hair, shadows, and soft boundaries, this precision reduces jagged lines and the need to re-cut the same subject multiple times.
The editorial team installs and tests each app before writing up the guide, and keeps the version history current. The site has never charged developers for coverage.
