Smart Previewer Firefox

Smart Previewer

This extension checks a content of a link instantly.

Features & Capabilities

This extension shows contents of links. Audio, images, pdf and videos..., all of links which this extension supports need not to be clicked. You can check it by just putting on the link.

Following types are supported for audio. "aac", "flac", "m4a", "mp3", "ogg" and "wav". Following types are supported for images. "bmp", "gif", "gifv", "ico", "jpeg", "jpg", "png", "svg", and "webp". Following types are supported for pdf. "pdf". Following types are supported for videos "mov", "mp4", "webm" and "wmv". These types will be extended in the future.

In version 2.0, this extension supports dynamically generated pages! All links can be previewed.

You can watch the video of this extension. <a href="https://drive.google.com/file/d/1vpNEF-2PHObYkuplyWL9FdKn18GCvKig/view">Smart Previewer</a>

Why does this extension require "Access your data for all websites"? This extension is working to override websites displayed by the browser shows. Because of that, the extension needs to read the content of websites. The content read by the extension will never send outside. To eliminate any worries, the source codes are open to the public at the following link, and you can check that it actually does. <a href="https://github.com/Soushi-Atsumi/SmartPreviewer_Firefox">https://github.com/Soushi-Atsumi/SmartPreviewer_Firefox</a>

This extension is also available on Microsoft Edge.

User Growth & Download Statistics

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Soushi Atsumi
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/smart-previewer/
Email:
ph*****@yahoo.co.jp
Website:
https://github.com/Soushi-Atsumi/SmartPreviewer_Firefox

User Reviews

by Wh*****, 2025-07-17

it works on image's links. able to zoom in/ou,t with mouse scroll. haven't tested on other kind of contents.
by Ir*****, 2023-11-25
View all user reviews ›

Is Smart Previewer 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.

Smart Previewer 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.

Smart Previewer has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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Best Smart Previewer Alternatives

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