According to AlphaMoat, as of 2026-09, the Chrome extension OnMusic AI has 50 users (+108.3% MoM) — ranked #5,450 of 9,324 AI browser extensions, and #240 of 333 in Audio.
What is OnMusic AI
Create songs from text, write lyrics, and make AI song covers in your browser — free to start, no studio needed. OnMusic AI brings song creation, lyrics, and AI covers into a persistent Chrome side panel. Start with an idea, words you have written, an audio file, or a supported song page, then create something you can play and download. It is an approachable AI music generator for people who want to make music without learning a complicated studio workflow.
CREATE A SONG FROM YOUR IDEA
The Create workspace turns a short description or your own lyrics into music. Describe the mood, genre, or sound you have in mind, choose a song length, and decide whether the result should include vocals or stay instrumental. You can begin in description mode when you have an overall idea, or use lyrics mode when the words are already written.
As an AI song generator, OnMusic AI gives each choice a clear place instead of asking you to manage a full production timeline. The text-to-music workflow works well for a birthday song, a quick beat idea, lyrics you want to hear with melody, or a song made simply for fun.
MAKE A COVER FROM A SONG YOU CHOOSE
The AI song cover generator lets subscribers create a new vocal version from a source song. Choose from 400+ available voices, select the voice you want, and adjust the pitch mode or semitone setting before starting the cover.
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There are three ways to provide the source:
- This tab: use a supported single-song page that is already open, including YouTube, YouTube Music, or SoundCloud.
- URL: paste a direct or supported media link.
- Upload: choose an MP3 or other supported audio file.
The extension reads the active tab URL and title only to show the current-page option. You decide whether to use that page as the cover source. Once submitted, the cover appears in your history, where you can follow its status, play the completed audio, and download the result.
WRITE AND SHAPE LYRICS
Subscribers can use the AI lyrics generator when they have a topic but need help developing the words. Describe what the song should be about, optionally add a title, then choose a mood, writing style, and song structure. The completed lyrics remain editable, so you can revise individual lines before using the “Turn into a song” action to continue in Create.
Begin with a story, feeling, hook, or rough concept, shape the result, then continue into song creation without copying material between separate tools.
HOW THE SIDE PANEL WORKS
1. Open OnMusic AI from the Chrome toolbar and sign in with your existing account using email and password or Google. 2. Choose Create, Cover, or Lyrics, then provide the relevant prompt, words, URL, current tab, or audio file. 3. Start the job, review the completed result in the panel, then play, download, or open it in the OnMusic AI web app.
Because the workspace stays in Chrome’s side panel, it remains available while you browse. You can follow a job or keep a song available for playback without repeatedly reopening a popup.
KEEP COMPLETED SONGS TOGETHER
The Library brings completed songs and covers into one view. Browse previous results, play available audio directly in the panel, download a file, or open the corresponding item in the web app.
Your Account section shows whether the account is on the Free Plan or an Unlimited subscription. It also provides sign-out and account-management options. When you choose to view plans or upgrade, the extension opens the official OnMusic AI pricing page in a new browser tab. Payment checkout is handled on the website rather than embedded in the extension.
MADE FOR EVERYDAY MUSIC IDEAS
Use OnMusic AI to sketch a mood before you forget it, turn personal lyrics into something playable, explore how a song feels with another voice, or make a track for a birthday or shared moment. It is also useful for first-time creators who want a music generator Chrome extension with straightforward choices instead of professional production controls.
The current extension interface is in English. An OnMusic AI account is required to create and manage results. Free users can create one free 30-second song. Song Covers and Lyrics are subscriber features in the current production configuration, and additional access is available through the web app plan.
Free to start. No studio needed.
Learn more at https://onmusic.ai
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.