Greasy Fork

Proof Of Concept by decembre

Testing functions with GM

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2. JUST TESTING CODE JS - Auto-bypass shorteners, ads, popups, adblock checks, and go directly to destinations (AdFly, downloads, Flickr, YouTube, etc.)

   Author

   JustOlaf

   Daily installs

   16

   Total installs

   1,955

   Ratings

   3 0 0

   Created

   2025-08-16

   Updated

   2025-09-18

3. Play Tone JS - Function to play a sound file by adding an HTML5 audio tag to the document. ver 1.0 2014-09-07.

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   71

   Ratings

   0 0 0

   Created

   2014-09-07

   Updated

   2014-09-07

4. Google Images Un-target to Open in Same Tab JS - Strip target="_blank" from links so View image and View page replace the results (2016-06-09)

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   326

   Ratings

   4 0 0

   Created

   2016-02-27

   Updated

   2016-06-09

5. Kijiji Visited Links - Hack Links To Match History JS - Add link with "?enableSearchNavigationFlag=true" to match how Firefox recorded them in history for a while

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   47

   Ratings

   1 0 0

   Created

   2016-04-29

   Updated

   2016-05-07

6. Block internal images hardcoded in IMG tag JS - Remove about: chrome: and resource: URIs from the src attribute of <img> tags.

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   91

   Ratings

   2 0 0

   Created

   2016-06-06

   Updated

   2021-05-31

7. Block Opener on Targeted Links JS - Add rel attribute values on mouseup to block window.opener in the linked site, also blocks referer (2016-09-01)

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   248

   Ratings

   2 0 0

   Created

   2016-09-01

   Updated

   2016-09-01

8. Unfix Fixed Position Element on Firefox Context Menu JS - Add new item to top of right-click context menu to override position:fixed on elements in a page.

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   68

   Ratings

   2 0 0

   Created

   2016-12-31

   Updated

   2017-01-01

9. Grayscaler JS - Render entire page in grayscale (greyscale). Updated 2017-07-08.

   Author

   Jefferson Scher

   Daily installs

   0

   Total installs

   114

   Ratings

   3 0 0

   Created

   2017-07-09

   Updated

   2017-07-09

10. video_background JS - use video as page background

    Author

    zhuzemin

    Daily installs

    0

    Total installs

    953

    Ratings

    3 0 0

    Created

    2020-01-31

    Updated

    2020-02-14

Publish a script you've written (or learn how to write one)