Decache scans browser cache files for lost YouTube videos and Flash games, with a Windows download available.

sindexmon.github.io/decache
Decache homepage screenshot

About Decache

Decache is a website that offers a Windows download for finding lost media in browser cache files. When a website loads, its images, videos, and games are temporarily stored in the browser cache. Those files are usually deleted over time, but some remain. Decache scans these files and compares them against a database of lost media. According to the site description, the database covers over 500 lost YouTube videos and Flash games.

The program is started by extracting the download and running start_decache.bat. The user then selects a computer to scan. The computer running Decache is listed with "C:" in its name. Users can also suggest one lost video at a time through a form on the site. Larger requests, such as many videos or a Flash game, are handled by email. The site lists a Discord server for help identifying video IDs. The scanner is described as a Windows program, and the upload and suggestion forms require a newer browser.

Key features

  • Scans browser cache files for lost YouTube videos and Flash games
  • Compares cached files automatically against a database of lost media
  • Lets users choose a computer or drive to scan after launching the program
  • Supports user-specific backups that contain a Desktop folder
  • Upload button for sharing assets that have been verified
  • Form for suggesting one lost YouTube video at a time
Best for: People who want to check a Windows computer for cached copies of lost YouTube videos or Flash games.
Good for
  • Finds cached files automatically instead of requiring manual searching
  • Supports user-specific backups as well as full Windows drives
Watch out for
  • The scanner is described as a Windows program
  • Larger requests, such as many videos or Flash games, must be sent by email rather than the form
  • The upload and suggestion forms may not work in older browsers

Decache at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web, Windows
Open source
Not stated
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Decache FAQ

Which computers or drives can be scanned?
The site describes a Windows hard drive as one that contains a Users or Documents and Settings folder. The computer running Decache is listed with "C:" in its name. User-specific backups that contain a Desktop folder are also supported.
How can a lost video be suggested for the database?
One video at a time can be suggested using the form on the site. For a large number of lost videos or a Flash game, the site asks users to send an email instead.
What should be done if a verified asset is found?
The site suggests using the upload button, joining the Discord server, or emailing [email protected]. The upload button may not work in older browsers.
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