NonCompressibleFiles Portable is a lightweight, zero-installation Windows utility used to instantly generate files that are either completely non-compressible (filled with highly random data) or maximum compressible (filled entirely with zeros). Analysts, developers, and IT professionals use these generated files to benchmark hardware like SSDs, or test the performance of zip tools, FTP transfer systems, and antivirus scanners. 🛠️ Step-by-Step Usage Guide
Because it is a portable app, it requires no setup and leaves no registry footprint.
Launch the Program: Download the portable ZIP file, extract it, and double-click the NonCompressibleFiles.exe file to open it directly.
Choose File Type: At the top of the interface, select between two modes:
Non-Compressible Files: Uses a high-speed random number algorithm to create data that compression algorithms cannot shrink.
Maximum Compressible Files: Fills files with zeros, allowing zip utilities to compress them to near-zero sizes.
Set the Quantity: Input the Number of Files you want to create in the designated field.
Define File Size: Enter your desired file size. The tool supports a range from 10 KB up to 10 GB per file.
Select Destination: Click the folder icon or … button to choose the target directory (e.g., a specific folder on your local drive, network share, or an external USB stick).
Generate: Click the Create (or Start) button. The program will build the files instantly using negligible system resources. 📊 Common Use Cases Testing Category How to Use the Generated Files SSD Benchmarking
Write non-compressible files to an SSD to test its raw, unassisted write speeds, as many modern SSD controllers use data compression to artificially boost performance. Archiving & Zip Tools
Feed non-compressible files into tools like WinZip or 7-Zip to evaluate how gracefully they handle data patterns that cannot be shrunk. FTP & Network Pipelines
Transfer both file variants over network paths to verify if your FTP client or network accelerators are successfully applying on-the-fly compression. Antivirus & Defrag Tools
Create thousands of small files to see how rapidly your antivirus scanner or disk defragmenter processes bulk file inventories.
If you are looking to benchmark a specific piece of hardware or software, let me know what device or program you are testing and what metrics you want to measure so I can guide you on the exact file sizes and configurations to use. NonCompressibleFiles – Download – Softpedia
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