Space Filler

About Space Filler

Need to fill up your device storage quickly and easily? Space Filler is the perfect tool for testing, development, and storage management scenarios.

Whether you're a developer testing how your app behaves under low storage conditions, a QA engineer simulating full-disk scenarios, or simply need to occupy a specific amount of storage space, Space Filler gets the job done in just a few taps.

🔹 Fill by Size
Choose from preset sizes (50 MB, 100 MB, 500 MB, 1 GB, 5 GB, 10 GB, 50 GB, 100 GB) or enter a custom size in megabytes. Create exactly the amount of storage usage you need.

🔹 Fill by Percentage
Select a target percentage from 10% to 100% using quick-select buttons or fine-tune it with the slider control.

🔹 Real-Time Progress Tracking
Watch the file creation process in real time with a detailed progress view showing created size, total size, and completion percentage.

🔹 Pause & Resume
Pause the file creation process anytime and resume it later — your progress is preserved.

🔹 Background Operation
File creation runs as a foreground service with a persistent notification, so you can keep using your device while storage is being filled.

🔹 Easy File Management
View all created dummy files in one place. Check file names and sizes. Delete files individually or clean up everything at once.

🔹 Storage Overview
Get a clear visual overview of your device's used, and free storage space at a glance.

✅ PERFECT FOR
• App developers testing low-storage behavior
• QA engineers running storage stress tests
• Anyone who needs to quickly occupy space

🚀 Lightweight, fast, and straightforward. No complicated setup, no unnecessary permissions — just a simple tool that does exactly what it says.