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Insights & Tutorials
Deep dives into file conversion, privacy, and the engineering behind Filoshi.
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Privacy 5 min readFebruary 22, 2026
Why Offline File Conversion Matters in 2026
Your files contain sensitive data. Here's why uploading them to random online converters is a terrible idea — and what to do instead.
Read articleTutorials 7 min read
How to Convert Video Formats Without Losing Quality
MKV to MP4, AVI to MOV, WebM to MP4 — learn how lossless conversion works and when you actually need to re-encode.
February 20, 2026Read
Tutorials 4 min read
Batch Converting 1,000 Images: The Right Way
Stop converting images one by one. Here's how to batch convert entire folders while preserving metadata and choosing the right format.
February 18, 2026Read
Guides 3 min read
How to Open and Convert HEIC Files on Windows
iPhone photos won't open on your PC? Here's why Apple uses HEIC and the fastest way to convert them to JPG.
February 15, 2026Read
Engineering 6 min read
FFmpeg, ImageMagick, Pandoc: The Engines Behind File Conversion
An inside look at the open-source engines that power Filoshi's 500+ format conversions — and why we chose each one.
February 12, 2026Read