Guides
Archive guides & tutorials
Practical, no-nonsense write-ups on working with 7z, ZIP, RAR and friends — from opening your first archive to keeping it encrypted.
7z encryption security aes-256 zip rar formats comparison extract tutorial
7zencryption
7z AES-256 Encryption: Protecting Your Archive With a Password
How 7z password protection actually works, the difference between content and header encryption, and how to create a secure encrypted 7z online.
7zzip
7z vs ZIP vs RAR: Which Archive Format Should You Use?
A practical comparison of compression ratio, compatibility, encryption and speed across 7z, ZIP and RAR, with clear recommendations.
7zextract
How to Open a 7z File Online (No Software, No Upload)
A plain-English guide to extracting 7z archives in your browser, safely and privately, without installing anything or uploading your files.