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Turn any sound into a playable instrument

Polyphone is a free and open-source soundfont editor for Windows, macOS and Linux. Create your own instruments, play them in your DAW with the plugin, and draw on more than 1,800 soundfonts shared by the community.

Download Polyphone 2.6.0
Windows, macOS and Linux · Other systems
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Where to start?

Create instruments

Import samples, spread them across the keyboard, set envelopes, filters and modulations, then export to sf2, sf3 or sfz.

Download the editor

Play in your DAW

Load any soundfont in your projects (VST3, CLAP, LV2 and AU), with the same sound engine as the editor.

Discover the plugin

Find sounds

Pianos, organs, strings, drums, video game consoles: free soundfonts, rated and commented by the community.

Browse the soundfonts

A complete editor, designed for big projects

Preparation of a sample: its waveform, its loop, its tuning and the equalizer
  • Several supported formats: sf2, sf3, sfz, sfArk, dls, GrandOrgue
  • MCP server: let an AI agent edit your soundfonts
  • Standalone synthesizer, even on a Raspberry Pi
  • 16 languages and color themes

All the features in the documentation

More than 1,800 free soundfonts

Instruments shared by more than 300 authors, rated, commented and reviewed by the community. Open them in the editor, in the plugin or in your MIDI player.

Soundfonts of the day

Five soundfonts by different authors, drawn at random every day and freely downloadable.

See all the soundfonts

Share your instruments

Publish your soundfonts under the license of your choice: they join a repository whose soundfonts have been downloaded nearly 500,000 times. They get ratings and comments there, and experienced members can review them to help you improve them.

  • Your soundfonts downloaded by musicians all over the world
  • Ratings, comments and reviews
  • Your license: public domain, credit, personal use…
Share a soundfont

A free account is enough.

The soundfont repository in Polyphone: the soundfonts of a category, with their author, license and rating
Premium account

The whole soundfont repository, right inside Polyphone

  • The repository in the software: search, download and open a soundfont without leaving Polyphone.
  • Unlimited downloads on the website.
  • Paid once, for life: no subscription, no renewal.

Polyphone is an independent project without advertising: Premium accounts and donations pay for the hosting, the installers and the updates. Find out more

Learn and get help

Documentation

Every function of the editor and of the plugin, explained and illustrated, also as a PDF.

Tutorials

Create your first instrument step by step, from the sample to the preset.

Forum

Ask your questions, show your creations, suggest ideas.

Get involved in the project

Translate

Polyphone speaks 16 languages thanks to its translators: complete yours or add a new one.

Contribute to the code

Fix a bug or suggest a feature on GitHub.

Make a donation

A helping hand for the hosting and the development.

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