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10 Band parametric EQ with A/B testing functionality. Contour is a simple, no-frills 10-band parametric equalizer for your browser. It saves your settings, supports preset save/load, and makes it easy to import or export profiles for sharing or backup. A built-in visualizer provides a live view of your EQ curve, while the blind A/B testing mode pits all your presets against each other in randomized head-to-head matchups—helping you objectively find the one you actually prefer. Contour works seamlessly with any audio source, including YouTube, Deezer, Spotify, SoundCloud, and more. Disclaimer: Contour is a personal project built to solve a need not addressed by other extensions. It’s provided as-is, with no guarantees of performance, compatibility, or ongoing support.
eq+
eq+ is an in-browser Parameteric Equalizer that will equalize audio from your tab of choice. Boost bass on your favorite tracks, make speech in videos more understandable, or tweak the sound however you desire with the intuitive interface. Save as many presets as you want. Customize eq+'s colors to get the look exactly how you want it. eq+ is designed to be as flexible as you want it to be. eq+ is open-source and free (and always will be)!
Advanced Audio EQ & Effects Controller
Enhance your audio experience: control volume, bass, mid, treble, and apply audio effects on any website with ease. Take control of your web audio like never before! 🎧 Adjust volume, bass, mid, treble, and apply audio effects on any website instantly. Whether you’re streaming music, watching videos, or enjoying online podcasts, this extension lets you customize sound to your liking. 🎚 Bass, Mid, Treble Control – fine-tune your audio frequencies for perfect sound. 🔊 Volume & Gain Adjustment – boost or lower overall audio levels effortlessly. 🎛 Advanced Audio Effects – enhance your listening experience with EQ tweaks. 🌐 Works on Any Website – compatible with YouTube, Spotify Web, Netflix, and more. ⚡ Lightweight & Fast – minimal performance impact while giving you complete audio control. Perfect for audiophiles, content creators, or anyone who wants crisp, balanced sound across all their web audio. Upgrade your listening experience today! 🚀
Just-EQ
Equalizer extension for web browsers An interactive audio equalizer for web browser that implements basic biquad filters utilizing the Web Audio API. There is also a safe limiter at the end of audio chain to prevent clipping. Usage of this extension requires extreme care to prevent damage to speakers/hearing by monitoring gain stages (ex: OS volume, hardware volume, media volume, etc...)
EQ Sound Booster for Chrome
Adjust audio frequencies with bass, mid, and treble controls ## Single Purpose Description Enhance audio quality on any website with professional equalizer controls, including bass, mid, and treble adjustments. ## Permission Justification (Host Permissions) This audio equalizer needs permission to work on ANY website with audio - YouTube, SoundCloud, Spotify, podcasts, etc. Users expect universal functionality. We ONLY process audio elements, never access personal data, and the extension is disabled by default for security. ## Detailed Description Professional audio equalizer for Chrome that works on any website. Features: • Easy Mode: Simple 3-band equalizer (Bass, Mid, Treble) • Pro Mode: Professional 10-band equalizer (32Hz to 16kHz) • 6 Music Presets: Classical, Rock, Pop, Jazz, Hip Hop, Electronic • Custom Presets: Save your favorite settings • Volume Boost: Up to 200% volume • Real-time Processing: Instant audio enhancement • Universal: Works on YouTube, Spotify, SoundCloud, and more Privacy & Security: • No data collection or tracking • Disabled by default • Only processes audio elements • No external server communication • Open source and transparent Perfect for: • Music lovers wanting better sound • Podcast listeners needing voice clarity • Movie watchers enhancing dialogue • Gamers improving audio experience
