Spoiler Slayer

An open source, extensible, and simple spoiler blocking plugin with out-of-the-box support for Facebook, Reddit, Twitter, Google News, and more!

Spoiler Slayer: Block TV and Movie Spoilers on Your Favorite Sites

Spoiler Slayer is an open source, extensible, and simple Firefox add-on that blocks TV and movies spoilers on your favorite sites. Subscribe to spoilers lists or fine tune settings to block spoilers. Import/export settings and share with others. No data sent to 3rd party servers.
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View on Firefox Browser Add-ons

Add-on stats

Users: 141
-2
Rating: 3.44
(9)
Version: 1.1.1resigned1 (Last updated: 2024-04-26)
Creation date: 2018-12-10
Weekly download count: 9
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood:
Moderate risk likelihood
Manifest version: 2
Permissions:
  • tabs
  • activeTab
  • storage
  • downloads
  • alarms
  • https://*.github.com/
  • https://*.gitlab.com/
Size: 12.27M
URLs: Website

Ranking

# 8,383 ▲ 25
Other rankings
#120 in player keyword 46 #138 in subscription keyword 30 ▲ 1 #138 in subscriptions keyword 16 ▼ 1

Other platforms

Spoiler Slayer (v1.1.0)
5.00 (2) 208
Not available on Android
Not available on Edge
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Add-on summary

Analyze keywords

Spoiler Slayer is an open source, tracking-free, simple extension for Firefox that blocks TV and movies spoilers on your favorite sites. Subscribe in one click to public spoilers lists that always stay fresh and make sure no spoilers slip by, or use the advanced settings to fine tune which spoilers to block on what sites.

Other features include:

  • Imports, exports, and subscriptions - Create your list of spoilers or sites and share it with the world!
  • Spoiler blur intensity - Blur spoilers to oblivion, or keep them just under legible
  • Reveal on hover or click - Feeling brave? Spoiler Slayer can reveal the spoiler when you hover over or click on the censored area
  • RegEx support - Anticipate common misspellings of spoilers or only block certain URLs
  • Selector helper - It's easy to add new sites with the built-in selector helper, which highlights items on the page as you type
  • Blocked counts - Know how many times you've avoided mild panic!
No data is sent to any 3rd party servers by this extension.

Permissions:

  • "Access your data for all websites" - Needed to be able to match which sites to block spoilers
  • "Download files and read and modify the browser’s download history" - Needed to export and import settings to files
  • "Access browser tabs" - Needed to display counts and subscription status in Spoiler Slayer badge icon

User reviews

Too much effort to make it work and even then copying selectors didn't work. Avoid unless you want to waste your time.
by Fab, 2024-11-16
Works pretty well for youtube! Cant seem to make it work for disqus messages tho. cant find a way to select any of it, it does not highlight to blue when I type a valid selector
by Firefox user 17765183, 2024-09-25
Very good :)
by L9, 2024-04-27
View all user reviews

Add-on safety

Risk impact

Spoiler Slayer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Spoiler Slayer is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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