Space Filler - Fill Storage

Fill Your Device Storage Instantly

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.