Utility

File Generator.

Generate valid files with your specified format and target size, then download directly.

Step 1
Format & Size
Select format, name, and target size.
Step 2
Batch & Naming
Set number of files and naming pattern.
Step 3
Generate & Download
Generate first, then download activates automatically.
Batch Mode
Enable for multiple files (ZIP output).

Step 1 - Format & Size

Set file format, name, and target size.

Corrupt PDF
Simulate corrupted file for PDF.

Quick Size Presets

Click to auto-fill size.

Quick Name Patterns

Click to auto-fill name pattern.

Step 3 - Generate & Download

Click generate, then download will activate automatically.

Accuracy guide: Exact for TXT, CSV, JSON, BIN, and PDF without password. Best effort for PNG/JPG/XLSX/XLS and encrypted PDF.
No files generated yet.

How to Use

Set format, size, and file count then generate in 3 steps.

1

Choose Format

Select the file type to create such as JPG, PNG, PDF, JSON, or other formats.

2

Set Size

Enter target file size in KB/MB and set the number of files to generate.

3

Generate & Download

Click generate, check actual size, then download single file or ZIP for batch.