Engineering & Security Blog
AnyFileX Product Engineering
Insights on WebAssembly binary parsing, image compression codecs, security sandboxing, and performance.
TutorialsJuly 2024
Why Extension Names Lie: Understanding Magic Bytes & Raw Header Inspection
Renaming .exe to .jpg does not change what a file actually is. Learn how operating systems and security tools inspect magic bytes.
#Security#Magic Bytes#Binary Analysis
Read Article
ComparisonsJune 2024
AVIF vs WebP vs HEIC vs JPEG: Which Image Format Should You Use in 2025?
A deep architectural comparison of modern image compression codecs, browser support, transparency, and page speed impacts.
#Web Performance#Image Codecs#Optimization
Read Article
TipsSeptember 2026
How to Open Unknown Files Safely: A Practical File Identification Guide
Learn how to identify an unfamiliar file, verify its header, choose a compatible application, and avoid malware disguised with a misleading extension.
#File Safety#Magic Bytes#Troubleshooting#Privacy
Read Article