All combinations

ZIP + Video + Image Polyglot

Triple polyglot combining ZIP archives, video files, and images

ZIPVideoImage

01 · Add your files

0/3 added
01ZIP File
.zip · 100MB
02Video File
.mp4 · 100MB
03Image File
.png · 25MB

02 · Generate

Please upload all three files to generate your polyglot file

Limits · ZIP 100MB · Video 100MB · Image 25MB

How to open your polyglot file
  • To access different file types, simply rename the file extension (e.g. .zip, .mp4, .jpg, etc.).
  • If your computer can't open .zip files, try using the command line: unzip filename.zip
  • .mp4 files may not play in some video players, but work fine with popular ones like VLC or QuickTime Player.
  • These files are polyglots and may behave differently depending on the software used to open them.
File size limits
  • PDF50MB
  • Image25MB
  • Video100MB
  • ZIP100MB
  • HTML1MB

Highlighted formats apply to this combination. Limits are enforced in your browser, so an oversized file never leaves your machine.

Usage terms
  • Use it only for educational, research, or testing purposes.
  • Not use the output for malicious purposes, phishing, or exploiting vulnerabilities.
  • Take full responsibility for any consequences of using the generated files.

What is a ZIP + Video + Image polyglot?

A triple polyglot that plays as video, displays as an image and extracts as an archive. Three formats, one set of bytes, all independently valid.

How the formats coexist

The image signature sits where viewers look for it, the MP4 atom chain remains walkable, and the ZIP central directory is discovered by scanning backwards: three readers, three entry points, no conflict.

Why people build these

  • Packaging a clip, its cover image and its assets as one download
  • Testing multi-stage media validation pipelines
  • Forensics training on files that resist single-format classification

Files are processed in memory and never stored. Generated polyglots are intended for educational, research and testing use. See privacy and terms.