Theremin
This browser-based theremin lets users play a musical synthesizer with a cursor or touchscreen and apply delay, feedback, and other effects.
About Theremin
This browser-based theremin lets users play a musical synthesizer with a cursor or touchscreen and apply delay, feedback, and other effects.
Theremin is a website in our Audio Editing & Production collection, part of the Music & Audio directory. It runs in your web browser, so there's nothing to install.
People usually find Theremin when they’re looking for audio editing.
Not quite what you need? Close alternatives include Bespoke, editor.audio, and Kilohearts Essentials — compare them below.
Theremin at a glance
- Website
- femurdesign.com/theremin
- Category
- Music & Audio › Audio Editing & Production
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Audio Editing & Production
Theremin alternatives
Tools and sites you could use instead, ranked by how closely they match.
Bespoke uses connected modules to create sounds in a modular synthesizer designed for musical exploration and jamming.
Edit audio in a browser and apply gain adjustment, fade-in, or fade-out effects to sound files.
Free
18 alternatives
Kilohearts Essentials includes 34 products in its free collection, such as compressors, delays, filters, modulation effects, and utilities.
Plugins 4 Free catalogs instrument and effect plugins for audio software, with categories for synthesizers, drums, samplers, and MIDI tools.
Surge XT combines hybrid synthesis, filters, modulation, effects, microtuning, MPE, and OSC support in an open-source synthesizer.
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Theremin FAQ
What is Theremin?
This browser-based theremin lets users play a musical synthesizer with a cursor or touchscreen and apply delay, feedback, and other effects.
Can I use Theremin in my browser?
Yes. Theremin works on the web, so you can use it from any modern browser without installing anything.
Is Theremin working?
femurdesign.com responded when checked on Oct 5, 2026. Its current availability has not been confirmed.
What are the best alternatives to Theremin?
Popular alternatives to Theremin include Bespoke, editor.audio, Kilohearts Essentials, and Plugins4Free. We list 5+ options matched by topic, tags and features.
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