Best Video Format for WhatsApp (and How to Hit the 16 MB Inline Limit)
MP4 (H.264 + AAC) is the best video format for WhatsApp. The real job: fit the 16 MB inline cap…
2026
Why Is My Scanned PDF So Big? Causes and How to Shrink It
Scanned PDFs are big because each page is an image: high DPI, color mode, and weak compression multiply. Here's how…
MP3 vs WAV vs FLAC: Which Audio Format Should You Use?
MP3 vs WAV vs FLAC in plain English: lossy vs lossless vs uncompressed, size vs quality vs compatibility, and a…
What DPI Do You Need? Web vs Print (and Why Web DPI Is a Myth)
Screens render by pixel dimensions and ignore DPI, so web DPI is a myth. 300 DPI only matters for print:…
How to Compress a Video on iPhone Without Losing Quality
iPhone has no built-in compressor. Use Settings, iMovie, or Shortcuts to shrink clips, or hit an exact target size in…
How to Combine Photos into One PDF (iPhone, Android & PC)
Native steps to merge photos into one PDF on iPhone, Android, and Windows, their limits on order and size, and…
MP3 Bitrate Guide: 128 vs 256 vs 320 kbps (Which Should You Use?)
128 kbps for speech, 256 for general music, 320 for archiving. The file-size math, the use-case picks, and an honest…
Why Is My JPEG Blurry After Saving? Causes and Fixes
JPEG recompresses lossily on every save, so re-saving blurs it. Learn generation loss, the quality slider, chroma subsampling, and how…
AVIF vs WebP: The Next-Gen Image Formats, Head-to-Head
AVIF vs WebP compared: compression, quality, encode speed, browser support, features. Which next-gen image format is smaller, and which should…
TIFF vs PNG: Scanning, Archiving, and Print Compared
Both TIFF and PNG are lossless. Use TIFF for multi-page scans, CMYK print, and archives; PNG for web images and…