Guides
Practical notes on formats, compression and local conversion.
- JPG vs PNG: which format should you use?
- WebP vs AVIF: compression and compatibility
- How image compression works
- Lossless vs lossy compression
- MP3 vs AAC vs Opus
- How to extract audio from your own videos
- Why browser-based conversion protects your privacy
- How to reduce video file size
- Understanding video codecs and containers
- Limits of PDF compression
- How word counts and Unicode work
- Reading time and character limits
- PDF text and local privacy