7-zip

Free file compressor

7-Zip is a free, open-source file archiver—software for compressing files into smaller packages and extracting them.

It uses its own .7z format, which achieves high compression ratios, but also handles common formats like .zip and .rar.

I used 7-Zip to compress the folder before emailing it.

software

compression

Forcing into smaller space

freeware · Windows · utility · installer · portable · command-line · GUI · plugin · encryption · multi-threading

operations

compress

Reduce volume by force

pack · unpack · add · delete · test · benchmark · update · rename · split · merge

formats

RAR

Compressed file format

  • TARFile packaging format
  • ISOGlobal standards body
  • CABWindows archive format

FAT · NTFS · RPM

Opposites
licensing model

7-zipproprietary software

Restricted, owned computer programs

closed-source · WinRAR · WinZip · shareware

platform ecosystem

7-zipgzip

Unix compression program

tar

Family

zip, zips, zipped, zipping, zipper, zippers, zippy, unzip, unzipped

Familiarity
Top 500,000
Profile
Used worldwide · Rated G