By: Hemant Vats
Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections.
Features & Capabilities
User Growth & Download Statistics
- By:
- Hemant Vats
- Daily users:
- 4,694 1
- Rating:
- 3.83 (64)
- Version:
- 5.1resigned1 Last updated: 2024-04-25
- Version code:
- 5725926
- Creation date:
- 2007-08-30
- Risk:
- Moderate risk impact Moderate risk likelihood
- Permissions:
- webRequest
- webRequestBlocking
- <all_urls>
- webRequest
- Size:
- 9.76KB
- URLs:
- Website
- Full description:
- See detailed description
- Source:
- Firefox Add-ons Store
- Data ingested on:
- 2026-06-03
- Compare stats and ranking:
-
Contact the developer
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User Reviews
Pros
- Blocks images to save data/bandwidth.
- Works as described on many sites when it functions.
- Easy to toggle on/off via a toolbar button.
- Considered an essential Firefox extension by some users.
- Improves readability by removing images on pages (e.g., homepage reading is clearer).
Cons
- Reliability is inconsistent: multiple reviews report it does not block images reliably or at all on some pages.
- Toolbar/icon visibility is problematic: users cannot easily find or access the toggle in several reviews.
- Occasional maintenance/compatibility concerns: some users feel the add-on may be outdated or not maintained, affecting functionality.
Recent reviews
by Gu*****, 2026-05-06
Extension is enabled but images are still there. How do I turn it on?
by *****, 2026-02-19
This extension is working!
by *****, 2025-09-05
Is Image Block Safe?
Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.
Image Block requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.
Image Block is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- High This extension website URL may be invalid
- High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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