Merlin
FastStream Video Player

FastStream Video Player

Stream without buffering, a great video player and download accelerator all in one.

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Merlin
Stats
By: Andrew S
Users: 893 ▲ 19
Rating: 4.50 (16)
Version: 1.3.6 (Last updated: 2024-04-29)
Creation date: 2023-09-16
Weekly download count: 152
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • storage
  • tabs
  • webRequest
  • declarativeNetRequest
Host permissions:
  • <all_urls>
Size: 5.27M
URLs: Website
Stats date:

Chrome-Stats Rank

# 3335 ▲ 65
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Merlin
Summary
Analyze keywords

Tired of having to wait while videos buffer? Frustrated by a website's lack of accessibility features? This extension will replace videos on websites with an accessible video player designed for your convenience.

  1. Automatic fragmentation and parallel requests for up to 6x faster download speeds. Watch videos without interruptions by predownloading the video in the background.
  2. Advanced subtitling features include: customizable subtitle appearance, built-in OpenSubtitles support to find subtitles on the internet, and an intuitive subtitle syncing tool to adjust subtitle timings on the fly.
  3. Adjustable audio dynamics (equalizer, compressor, mixer, volume booster), and video settings (brightness, contrast, hue, LMS daltonization for color blindness) for your unique audiovisual preferences.
  4. 20+ remappable keybinds and accessible tool buttons for easy control of the player.
  5. Available in multiple languages! Translated into Spanish and Japanese by the FastStream community. Support for more languages is coming soon!

The player currently supports:

  • MP4 videos (.mp4)
  • HLS streams (.m3u8)
  • DASH streams (.mpd)
  • Youtube

To use the player, simply:

See more
User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Allows unlimited buffering of video in any resolution
  • Increases buffering speed overall
  • Customizable settings
Cons
  • Doesn't work on Netflix
  • Stutters when seeking in 4k
  • Limited to 140s buffering in incognito
Most mentioned
  • Unlimited video buffering
  • Buffering speed increase
  • Customizable settings
Recent reviews
by Ram249, 2024-04-20
by Ram249, 2024-04-20
by justluke, 2024-04-11
View all user reviews
Safety
Risk impact

FastStream Video Player is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install FastStream Video Player if you trust the publisher.

Risk likelihood

FastStream Video Player is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots
FastStream Video Player FastStream Video Player FastStream Video Player FastStream Video Player FastStream Video Player