なかなか使える
Safariで使うのには最適
top
ottimo
best app ever
thank you creators
Prime Video
Safariで拡張認証しSafari上でPrime Video開くと速度調整できました。
Works but default speed is 1
Default speed is not working. It is going back to 1x even after making it 2.

Enhance your video viewing experience in Safari with customizable playback speed controls and keyboard shortcuts. Easily manage playback, Picture-in-Picture, and AirPlay across popular streaming platforms.
Summarized from real user reviews of Accelerate for Safari. Based on 50 reviews and a 4.1/5 average, it highlights the 6 positives and 8 negatives reviewers mention most about this Entertainment app.
1.1.4
February 4, 2026
• Add update app icon
$1.99
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4 issues
Shortcuts don't work
Settings don't save
5 requests
Lower speed interval options
Keyboard shortcuts for more controls
Accelerate is a Safari extension that gives you powerful, customizable control over HTML5 video playback. You can adjust the playback speed, set personalized keyboard shortcuts for common media controls like play/pause and skipping, and utilize features like Picture-in-Picture and AirPlay.
Key features include controlling the playback speed of HTML5 videos, personalizing keyboard shortcuts for media controls, managing playback through your keyboard or the extension's popup menu, and support for Picture-in-Picture and AirPlay. It is designed to work with popular streaming services.
The application is free to download and use, with in-app purchases available. This model allows users to try the core functionality before deciding to unlock additional features or enhancements.
As a Safari extension, Accelerate is compatible with devices running macOS and iOS that have Safari installed. It works with HTML5 videos across various websites and streaming platforms accessible through the Safari browser.
Yes, Accelerate is designed to work with a wide range of popular streaming services, including YouTube, Netflix, Hulu, Apple TV+, Prime Video, and Twitch. This allows you to enhance your viewing experience across many of your favorite platforms.