生成ツール

任意の形式とサイズのモックおよびテストファイルを、ブラウザ内で直接生成します。

TXT File Generator

Generate a plain text file of any size. Great for testing uploads and transfers.

PNG Image Generator

Generate a PNG image with custom dimensions and color. Perfect for placeholders and testing.

JPG Image Generator

Generate a JPG image with custom dimensions, color, and quality.

PDF File Generator

Generate a blank PDF with custom page count and size. Useful for testing PDF workflows.

CSV File Generator

Generate CSV files with random test data. Great for testing imports and data pipelines.

JSON File Generator

Generate JSON files with random test data. Perfect for API mocking and testing.

SVG Placeholder Generator

Generate SVG placeholder images with custom dimensions and text. Lightweight and scalable.

QR Code Generator

Generate QR codes from text or URLs. Download as PNG or SVG.