Tune web audio to 432Hz and other frequencies, shape sound with a 10 band equalizer, and boost volume up to 600%.
Users
18
+6 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#155K
#129K among extensions
Version
0.6.1
updated 18 Aug 2026
Users
monthly, 2 months
Latest, 15 Oct 2026:18 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 15 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Frequency Tuner: 432Hz, Equalizer & Volume Booster
Tune your browser audio your way.
Frequency Tuner gives you simple controls for adjusting the sound of web audio and video directly in your browser. Choose from popular frequency presets, fine tune your sound with a 10 band equalizer, or increase quiet audio with volume control up to 600%.
🎧 Frequency presets
Quickly switch between 432Hz, 440Hz, 444Hz, 528Hz, 639Hz, 741Hz, 852Hz, 963Hz and other included presets. Standard 440Hz is always available when you want to return to the default tuning.
🎚️ 10 band equalizer
Shape your audio across ten frequency bands from 31Hz to 16kHz. Start neutral or quickly switch between Voice and Bass presets.
🔊 Volume control up to 600%
Quiet video or audio? Increase the volume beyond the normal browser level when you need it, or reduce it all the way to 0%.
✨ Everything in one extension
Frequency Tuner combines frequency adjustment, equalizer controls and volume amplification in one compact interface. There is no need to install separate extensions for each audio adjustment.
Features
• Frequency tuning for supported web audio and video
• 432Hz, 440Hz, 444Hz, 528Hz, 639Hz, 741Hz, 852Hz and 963Hz presets
• 10 band equalizer
• Voice and Bass EQ presets
• Volume control from 0% to 600%
• Saved settings between sessions
• Compact controls designed for quick adjustments
• Free to use
🌿 Frequency preferences
Some listeners enjoy alternative tunings such as 432Hz or frequencies commonly associated with Solfeggio listening practices. Frequency Tuner makes it easy to experiment and choose what sounds best to you. These frequency preferences are subjective. Frequency Tuner does not make medical or therapeutic claims.
⚙️ How to use
Open a supported page containing audio or video, click Frequency Tuner, then choose your preferred frequency. Open the Equalizer tab when you want to shape the sound or adjust the volume. You can return to Standard 440Hz or reset your equalizer and volume controls whenever you want.
🔒 Privacy
Audio processing is performed locally in your browser. Frequency Tuner does not need to upload your audio for processing.
Questions or suggestions?
Email contact@saru.solutions