Fast Video Speed for Safari vs zakuni Calculator Usage & Stats
[Fast Video Speed] is a Safari extension which enables you to change the video play speed on any sites instantly.
Your time is valuable. Save time and increase productivity by speeding up video playback.
- Change video playback speed on any site like Netflix, Youtube and Twitter.
- Change video playback speed instantly.
- Supports video play speed from x0.1 ~ x16.
- Apple App Store
- Paid
- Utilities
Store Rank
- -
A seemingly ordinary and simple calculator, but there’s no equal (=) button. The calculation results are always displayed, eliminating the need for the extra step of pressing the equals button.
- Apple App Store
- Free
- Utilities
Store Rank
- -
Fast Video Speed for Safari VS. 
zakuni CalculatorJanuary 13, 2026