PNG is a file format used to compress high-quality images and is known for its ability to have "transparent" backgrounds. This makes PNG ideal for web design and graphics work, as the images can blend seamlessly with any background on the page. In addition, PNG offers lossless compression, meaning that images do not lose quality when compressed. This makes PNG the format of choice for graphics that require clarity and detail.

It allows users to combine multiple files into a single archive, significantly reducing file size for easier sharing and storage. RAR files support advanced compression and can split large files into parts, making them ideal for transferring over the internet or storing backups.

A zip file is a popular file format that compresses multiple files and folders into a single file, allowing it to take up less space. This format saves both time and space when storing and transferring files. It is often preferred when sharing files over the internet or taking backups. The Zip format is an indispensable part of the digital world due to its wide usage and compression efficiency.

The RTF (Rich Text Format) file format is a versatile text file format developed by Microsoft. RTF files can contain formatted text, images and other elements, making them suitable for a variety of document types. Unlike plain text files, RTF supports text formatting options such as bold, italic, underline and font changes. On this page you can find a example (sample-dummy) rtf file of any size.

ISO file format is a disk image format used for storing and transporting data. ISO represents an exact copy of the file system usually used for optical disks (CD, DVD, Blu-ray). ISO files keep the entire disk structure and contents in a single file, making it easier to share data. This format is widely used, especially for software distribution, system backups and operating system installations. Translated with DeepL.com (free version)

JSON File (JavaScript Object Notation) is one of the most widely used data formats on the internet today. JSON is a format designed for easy storage, transmission and processing of data. Being both human-readable and computer-processable has made JSON very popular in web-based applications and services. Json Files can often be used in APIs and tests. Here you can download the dummy (sample) json files you need for free.

Discover our XLSX (Excel) Sample Files, perfect for developers and testers looking to simulate real-world scenarios for data management, spreadsheet processing and website load testing. This mock file helps you evaluate performance, test file uploads, and make sure your application handles XLSX files efficiently. Get your free download today and improve your development and testing process!

WebP is a modern image format designed to provide superior compression and quality characteristics compared to traditional image formats. With smaller file sizes, WebP increases page load speeds without compromising image quality. Its widespread support across browsers and platforms has made it a popular choice for web developers aiming to optimise websites for faster performance.

PDF stands for Portable Document Format and was developed by Adobe Systems. It combines rich content such as text, images and hyperlinks, allowing users to share documents across different operating systems and devices with the same view. Its wide use has made it indispensable for electronic document sharing. Thanks to its open-source readers and software, viewing and editing documents in PDF format is easy and accessible.

SQL files (*.sql) are scripts used for managing data held in a relational database management system. These scripts can include data insertion, updates, and schema creations that help you manipulate and manage your database effectively.

Explore our collection of sample CSV files, available in various sizes to meet your testing and development needs. These files are perfect for evaluating your application and software's data processing capabilities, file upload performance and overall system efficiency. Whether you are working on data import/export functions or simply need test data, our CSV files provide a reliable solution.