What HEIC, WebP, AVIF, PDF and the other formats actually are, when to use each one and how to open them anywhere.
7 articles
MP3 and AAC are lossy and small, FLAC is lossless at about half of WAV, and WAV is uncompressed. Sizes per minute, device support, tags and which to pick.
Mina Sato · Oct 13, 2026 · 11 min read
JPG and JPEG are the same format with two spellings; PNG is lossless and keeps transparency. Compare file sizes, artifacts, what portals accept and how to convert.
Elena Vásquez · Oct 11, 2026 · 12 min read
ZIP opens on every computer and phone, 7z packs smallest and hides file names, RAR adds recovery records. Compare compression, encryption, OS support and limits.
Lucas Ferreira · Sep 27, 2026 · 11 min read
Install TTF or OTF on Windows, macOS and Linux; serve WOFF2 on websites with WOFF as a fallback. What each font format holds, how big files run and what converting changes.
Jonas Weber · Sep 10, 2026 · 11 min read
STL stores bare triangles, OBJ adds UVs and materials through an .mtl file, and 3MF packs units, color and print settings into one ZIP. Here is when each one is the right choice.
Jonas Weber · Sep 2, 2026 · 12 min read
WebP is for the web, HEIC for iPhone storage, AVIF for the smallest web photos. Compare compression, transparency, HDR, browser support in 2025 and when to convert.
Jonas Weber · Sep 1, 2026 · 11 min read
Send to Kindle accepts EPUB and converts it for you; MOBI sending ended in 2022. Five routes, the 50 MB and 200 MB limits, what breaks, and when AZW3 by USB is better.
Lucas Ferreira · Aug 21, 2026 · 11 min read