Layer as many sounds as you need
Play background music, fireplace ambience, rain, and occasional effects together inside one scene.
Built for Owlbear Rodeo
Add some sound to your scenes.
Turn a YouTube link or direct audio file into a layered soundtrack. Mix music, ambience, voices, and effects—then play them for everyone at your table.
YouTube + audio filesPaste a link and press play
Layered scenesMusic and ambience together
Room playbackEveryone or only you
Portable librariesImport, export, and restore
First step for every playerBefore you press play
Enable audio first
Browsers wait for a real user click before allowing sound. Every person in the room should press Enable audio once after joining.
- Open Ambient ForgeSelect the extension from the Owlbear Rodeo toolbar.
- Press Enable audioThe button turns green when that browser is ready to play sound.
- Ask every listener to do itEach player enables audio on their own device. After that, synchronized scenes can be heard normally.
Built for the whole session
More than a single music player
Ambient Forge turns reusable groups of tracks into one-click scenes for taverns, battles, storms, rituals, and everything between.
Three levels of volume
Balance the master output, each scene, and every individual track without rebuilding your mix.
Everyone or Only me
Synchronize a scene with the room, or prepare and preview it privately before the players hear it.
Pause without restarting
Pause and resume playback from the same point, or stop everything when the moment is over.
Make the library yours
Give folders and scenes their own emoji and color so the right atmosphere is easy to spot.
Keep a portable backup
Export the complete library to an .aforge file and import it again on another browser or device.
Create your first scene
Give every moment its own look
Create a scene, name it, choose an emoji, and pick a color that matches the mood. The same visual system works across folders and scenes, so a large library stays easy to scan.
- Create scenes directly inside the selected folder.
- Choose from a full, categorized emoji picker.
- Set a custom accent color for quick recognition.
- Adjust the scene volume and fade behavior before saving.
Layered audio
Two tracks—or as many as the scene needs
Combine music with ambience, voices, or effects in the same scene. Every track keeps its own source, name, volume, mute state, loop, and delay settings.
- Add two or more independent tracks to one scene.
- Loop music and ambience continuously.
- Use randomized delay for occasional effects.
- Set scene-wide fade in and fade out.
Playback controls
Shape how every sound enters, repeats, and leaves
Use simple controls for a clean loop or build a more natural, less predictable soundscape.
Repeat music or ambience continuously until you pause or stop the scene.
Set a minimum and maximum delay so effects return at changing intervals instead of sounding mechanical.
Bring the whole scene in gradually when you start it.
Let the scene end smoothly instead of cutting the atmosphere abruptly.
Temporarily silence one track while preserving its URL and settings.
Return to the same playback position when the game needs a short break.
Audio sources
Bring the sounds you already use
Use YouTube for the fastest setup, or point Ambient Forge directly to browser-playable audio files.
Fastest
YouTube links
Paste a regular YouTube or youtu.be link into a track. Auto detection recognizes it for you.
YouTubeyoutu.be
Direct link
Hosted audio files
Use a public direct URL to an audio file. The host must allow your browser to load and play it.
MP3OGGWAV
Library import
Existing collections
Restore Ambient Forge backups and import compatible Djinni music-player libraries.
.aforge.json.djinni.txt
About local audio: tracks currently use URLs, so an MP3 stored only on your computer must first be hosted at a direct, browser-accessible address. Local files are supported for library import and backup—not yet as uploaded audio tracks.
Complete workflow
From the first click to a reusable sound library
Enable audio
Every listener presses the button once after joining the Owlbear Rodeo room.
Create and customize
Name the scene, select an emoji and color, then set scene volume and fades.
Build the mix
Add music, ambience, and effects with individual volume, loop, mute, and delay.
Choose the audience
Use Everyone for synchronized room playback or Only me for a private preview.
Browsers require one user interaction before reliable audio playback. Each listener should press Enable audio once after joining the room.
Import and export
Back up the whole library in a few clicks
Scenes are saved automatically in the current browser. Export a portable backup before changing devices, and import it whenever you need the library again.
⬆ Export before a move
Use Export to create a portable .aforge backup before clearing browser data or changing devices.
⬇ Import when you return
Use Import to restore a backup or convert a compatible .djinni, .json, or .txt collection into folders and scenes.
Good to know
Quick answers
Does audio continue when I close the extension popover?
Yes. Ambient Forge keeps playback running while the popover is closed, so it does not need to occupy your screen during play.
Can players set their own listening volume?
Yes. The game master controls the mix, while each player can adjust the master listening level on their own device.
Where are my folders and scenes saved?
They are saved automatically in that browser. Export an .aforge backup if you plan to clear browser data, switch browsers, or move to another device.
Can I prepare sounds without broadcasting them?
Yes. Select Only me to test privately, then switch to Everyone when you are ready for the table.
Install Ambient Forge
Bring your world to life
In your Owlbear Rodeo profile, choose Add Extension and paste the manifest URL below. Ambient Forge is free to use while its official Extension Store submission is under review.
https://ambient-forge.marevo.workers.dev/manifest.json
Support Marevo
Support us on Ko-fi ↗Help us keep building for Owlbear Rodeo
We are a small team that loves playing on Owlbear Rodeo and creating useful extensions for the community. If Ambient Forge helps your games, you can support our next update on Ko-fi.