Technical Reference & Development Notes
File extension documentation, troubleshooting guides, and development notes for IT professionals and software developers.
File Extension Reference
Detailed documentation for common file formats, including how to open, convert, and troubleshoot file extension issues.
JSON Files
JavaScript Object Notation data format used for configuration and data exchange.
→ File ExtensionPDF Files
Portable Document Format for sharing documents across platforms.
→ File ExtensionMKV Files
Matroska video container format for high-quality multimedia.
→ File ExtensionZIP Archives
Compressed archive format for bundling and reducing file sizes.
→Troubleshooting Guides
Step-by-step guides for common technical issues and best practices for working with files and applications.
Safe Downloads Guide
How to identify safe file types and protect your system when downloading files.
→ GuideMIME Types Explained
Understanding the relationship between file extensions and media types.
→ GuideSVG vs PNG vs JPEG: Choosing the Right Graphic Format
When to use SVG, PNG, or JPEG for web graphics: a straightforward comparison of quality, file size, transparency, and scalability.
→ GuideHEIC vs JPEG: Apple's High-Efficiency Image Format Explained
Comparing HEIC and JPEG: file size, quality, compatibility, and when to use each image format.
→ GuideWhat Is an AVIF File? How to Open and Convert AVIF Images
Everything you need to know about the AVIF image format: what it is, how to open AVIF files, and the best ways to convert them.
→Development Notes
Technical articles on .NET development, SQL Server, security, and software engineering practices.
SQL Injection Prevention
Identifying and preventing SQL injection vulnerabilities in applications.
→ DevelopmentPassing Values in .NET
Techniques for sharing data between Windows Forms in .NET.
→ DevelopmentSpatial Queries in SQL Server
Working with geography and geometry data types.
→Looking for Something Specific?
Browse our file extension database or check out the development notes for technical articles.
About This Site
Technical documentation and reference material for IT professionals and developers.