Speed-Pitch changer
(EN) Modify the speed with the pitch of a video or audio.
(FR) Modifiez la vitesse avec la tonalité d'une vidéo ou d'un audio.
Speed-Pitch Changer: A Firefox Add-on for Web Video Modification
'Speed-Pitch changer' is an easy-to-use Firefox add-on designed to enhance your audio or video experience on the web. It lets you change the pitch according to the speed of any web video or audio. With no limit to the value range, it's ideal for 'nightcore' enthusiasts. It also supports most web audio interfaces, allows reactivation of pitch preservation, and enables independent pitch modification. Most importantly, it grants the user autonomy to decide on which sites the add-on should function and to customise its keyboard shortcuts.
Add-on stats
Weekly download count: 258
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- storage
- activeTab
- tabs
- <all_urls>
Size: 63.62K
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
[EN] Simple extension to change the tone according to the speed of a video on the web (a "pitch fader"). Can be useful for people who like "nightcore".
Features:
- Enter any value (no limit)
- Support for web audio (may not work on some websites)
- You can reactivate the pitch preservation
- You can change the pitch of an element independently of its speed (with the ♭ and ♯ buttons)
- Choose the sites on which the extension should be active
- Use your own keyboard shortcuts through the 'commands' menu (default keys : * + - . on the numeric keypad)
[FR] Simple extension pour changer la tonalité en fonction de la vitesse d'une vidéo sur internet (un "pitch fader"). Peut être utile pour les personnes qui aiment le "nightcore".
Fonctionnalités :
See moreUser reviews
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spammy, or outdated.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
- Effective for karaoke and singing along.
- Independent adjustment of speed and pitch.
- Better performance compared to similar extensions on Chrome.
- Great for altering music styles (e.g., Nightcore).
- Simple and easy-to-use interface.
Cons
- Audio distortion and artifacts in pitch change.
- Inconsistent performance and stability issues.
- Not functioning properly in certain environments, like Spotify.
- Quality of high-pitched output sounds robotic.
- Settings are inaccessible or revert after use.
Most mentioned
- Quality issues with pitch shifting and audio artifacts.
- Desire for a Chrome version or improved functionality on other platforms.
- Overall effectiveness for changing speed and pitch.
- Stability issues causing the add-on to stop working.
- Need for additional features like 'Preserve Speed' options.
User reviews
by malisipi, 2024-12-10
by Horwindra, 2024-11-19
Well, the pitch change is very low quality, rather unusable.
by Firefox user 14956360, 2024-10-19
Add-on safety
Risk impact
Speed-Pitch changer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
Speed-Pitch changer has earned a fairly good reputation and likely can be trusted.
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