AI audio tools
Choose a video-first or prompt-first workflow, then open the matching Sonilo generator with the right input, duration, and model.
Generate
Start from a finished video or a written prompt.
AI video to music generator
Upload a video and generate a soundtrack that follows cuts, motion, speech space, reveals, and the final frame.
AI sound effects generator for video
Upload a video and prepare scene-synced sound effects for visible actions, transitions, UI cues, impacts, and ambience.
AI music generator from text
Write a prompt and generate music by duration, style, mood, structure, and model version.
AI sound effect generator
Write a short sound prompt and generate standalone effects such as Foley, impacts, UI cues, ambience, and transitions.
automatic audio ducking
API workflow for mixing existing voice and music tracks. An API key and eligible API access are required.
Split a song
Upload a song or a video and get the vocals, the instrumental or all four stems. Free to split and listen.
vocal remover
Upload a song or a video. Sonilo splits it into an instrumental and a vocal track you can play, mix and download.
Remove vocalsacapella extractor
Upload a song or a video. Sonilo pulls the vocals out on their own, with the instrumental as a second track.
Isolate vocalsstem splitter
Upload a song or a video. Sonilo splits it into vocals, drums, bass and the other instruments, four stems you can solo, mix and download.
Split into stemsEdit your video’s audio
Take the music out of a clip and keep the voice.
Free preview with a Sonilo account · Download on any paid plan
Upload an MP4 or MOV. Sonilo takes the background music out and keeps the dialogue at its level. Preview it, then download the MP4.
Remove music from a videoHear the clip with no music, then decide if quieter music is enough.
OpenCheck picture, timing and voice together before you download.
OpenTake the music out of your channel video file before you upload it again.
OpenSilence the song in the part you pick and keep the rest of the soundtrack.
OpenRebalance
Keep the music and set how it sits under speech.
Free preview with a Sonilo account · Download on any paid plan
Upload a video and set the music and the voice separately, so the speech sits on top. Preview the mix, then download the MP4.
Adjust music volumeTurn the music down 6, 12 or 18 dB and compare it with the original.
OpenRaise the speech over quiet music without changing the music.
OpenThe music dips under speech and comes back up in the gaps.
OpenSet the music level and add fades so it never cuts in or out.
OpenRepair
Take background noise out of a video or a recording and keep the voice.
Free with sign up · 3 cleaned downloads a month
Upload a video or audio file. Sonilo removes traffic, hum, wind and chatter and keeps the speech. Preview it, set the strength, then download the MP4 or MP3.
Remove background noiseTool selector
| Need | Use when | Output | Tool |
|---|---|---|---|
| Add music to a finished video | You already have a cut and need music to follow motion, voice-over space, reveals, and the final frame. | A soundtrack generated from the uploaded video. | Generate from your video |
| Add synced sound design | Visible actions, transitions, product UI, gameplay, or ambience need SFX placed against the actual edit. | Scene-aware sound effects for the uploaded video. | Generate SFX from your video |
| Create music from a brief | You know the mood, genre, duration, or brand direction but do not have a video timing reference yet. | Prompt-generated music by duration and style. | Generate from your prompt |
| Create a standalone effect | You need a specific Foley, UI, impact, transition, ambience, or one-shot sound from a written prompt. | A prompt-generated sound effect. | Generate SFX from your prompt |
| Mix speech over music | You already have voice and music and need the music lowered around speech automatically. | A speech-first mix using automatic audio ducking. | Open audio-ducking API |
FAQ
Use video-to-music when you need a soundtrack and video-to-SFX when visible actions, transitions, ambience, or impacts need synchronized sound effects.
Choose a video tool when timing matters. Choose a prompt tool when you want to generate music or a sound effect before a video edit exists.
Use text-to-SFX for standalone effects from a prompt, or video-to-SFX when the sound effects should match the uploaded clip.
Use audio ducking when voice and music already exist and the job is mixing: keeping narration clear while preserving the background bed.