Petaporon
Petaporon provides a browser piano-roll sequencer for composing songs and exporting MP3 files.
About Petaporon
Petaporon is a browser-based piano roll sequencer by Cedric Stoquer. Users compose a song by placing notes on a grid and can export the finished song as an MP3 file. The listing describes it as a minimalistic tool with an average session of a few minutes, and it is categorized under audio editing and music production.
The tool offers ten instrument sets, several of which are based on Super Nintendo and Nintendo DS games, and a set of keyboard shortcuts for playback, editing and file handling. Songs can be saved as a text file and reloaded by dragging the file back onto the tool. The listing names web (HTML5) as the only platform and says more instruments will be added in future releases. Pricing is not stated.
Key features
- Piano roll sequencer for composing songs in the browser
- Export a composed song to an MP3 file (cmd+e)
- Ten instrument sets, including sets based on SNES and Nintendo DS games
- Keyboard shortcuts for playback, navigation, undo, redo, cut, copy and paste
- Save song data to a text file and reload it by dragging the file onto the tool
- Keyboard and mouse input with high-contrast, textless accessibility listed
Best for: People who want to make short, simple chiptune-style songs in a web browser without installing software.
Good for
- Minimalistic interface with a short average session time, according to the listing
- Ten instrument sets are included, with more planned for future releases
- Listing shows a 4.9 out of 5 rating from 216 total ratings
Watch out for
- Listed only as a web (HTML5) tool; no downloadable desktop or mobile version is listed
- Only ten instrument sets are listed at present, with more planned
- A commenter reported that MP3 files exported for them were silent; the listing does not address this
Petaporon at a glance
- Website
- pixwlk.itch.io/petaporon
- 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 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Audio Editing & Production
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Petaporon FAQ
How do I export a song as an MP3?
Press cmd+e to export the song to MP3, according to the shortcut list on the listing.
How do I save a song and load it again later?
Press cmd+s to save the song data to a text file. To reload it, drag and drop that file onto Petaporon.
Which instruments are included?
The tool lists ten instrument sets: Mario Paint, Chiptune, Kantan, Chrono, Zelda, Yoshi, Animal, Starfox, Wetland and Digilog. Several are named after SNES games, and Animal is named after Animal Crossing for Nintendo DS.
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