En Pop Rock Anthem
02:13Free to start: try up to 2 songs/day. No credit card required.
Create music that fits your video instantly.
Describe your video. We'll generate music that fits.
Free to start. Try up to 2 songs/day. No credit card required.
Generated Song Sample
View all 
En Dnb Amen Break
01:28
Ja Orchestral Rock 2
03:10
En Lofi Shoegaze
04:51
Ja Jpop Eurobeat
02:13
En Ethereal Cinematic
03:42 🧠
AceStep.io - Where AI Meets Music Creation
Overview
Creating original songs used to require years of training, expensive studio tools, and professional singers. ACE-Step changes that forever. It's an AI-powered song generator built for creators who want complete, human-sounding music - including vocals and lyrics - without needing to compose or record themselves. Simply describe your idea - a mood, a genre, or a story - and ACE-Step transforms it into a royalty-free song in seconds. Every track is generated from scratch, blending vocal melodies and instrumental backing to create something that truly feels like music.
🎵
How ACE-Step Works
Workflow
Behind the scenes, ACE-Step uses deep-learning models trained on rhythmic, melodic, and lyrical patterns from thousands of licensed compositions. Unlike ordinary auto-music tools that reuse loops or samples, our system understands emotion and storytelling. It analyzes your text prompt, generates original lyrics line by line, and then builds matching melodies, harmonies, and vocal arrangements. The result is a full song - complete with lyrics, vocals, and music - ready to use in videos, podcasts, or any creative project.
💡
Who It Helps
Use Cases
ACE-Step is designed for content creators, independent artists, educators, and marketers who need original songs with vocals quickly but still care about quality and ownership. You can generate heartfelt pop tracks, cinematic themes, or catchy hooks for short videos - all within your browser, without licensing worries or complex production tools. Whether you need a short jingle or a full 3-minute song, ACE-Step delivers professional results powered by AI.
⚙️
Why It's Different
What Makes ACE-Step Unique
While most AI music tools stop at background instrumentals, ACE-Step takes one step further - it creates complete songs. Our hybrid model generates both lyrics and melody, then arranges the accompanying music in real time. Users can tweak genre, tempo, and vocal tone to fit their creative vision, bridging AI efficiency with authentic musical emotion. The system is transparent, ethical, and designed to produce unique, copyright-free content for every creator.
🌍
Built for Everyone
Accessibility
Whether you're a musician exploring new ideas or a storyteller who wants music that sings your words, ACE-Step makes AI song creation accessible to all. It runs entirely in your browser, requires no installation, and exports your generated songs in MP3 or WAV formats. Our mission is simple: to democratize music production - not just instrumentals, but real songs that connect with people.
What is ACE-Step?
🎼 Revolutionary AI Music Creation
ACE-Step is a cutting-edge AI song generator that transforms music creation. Utilizing advanced AI technology, it generates random songs with seamless lyric, melody, and style creation. Built on an open-source foundation model, it unlocks endless musical possibilities for users.
🌍 Open-Source Foundation Model
ACE-Step combines diffusion-based synthesis, Sana's DCAE, and a lightweight linear transformer to achieve state-of-the-art performance. It synthesizes 4 minutes of music in 20 seconds on an A100 GPU - 15x faster than LLM-based baselines. Powered by ACE Studio and StepFun, it operates under the Apache 2.0 license.
💡 Advanced Music AI Tools
ACE-Step offers advanced features like voice cloning, lyric editing, and track generation such as lyric to vocal and singing to accompaniment. Designed as a foundation model for music AI, it gives creators fast, flexible tools and aims to be the Stable Diffusion moment for music generation.
Key Features of ACE-Step
🎛️ Controllability
- Multilingual Music Generation: ACE-Step supports 19 languages, excelling in 10 major ones and enabling diverse global music creation despite data limitations.
- Advanced Instrumentation and Vocals: It produces realistic instrumental tracks and diverse vocal styles, maintaining coherence in complex arrangements and expressions.
- Precise Music Control: The system offers fine-tuned control through variation generation, repainting, and lyric editing, enabling localized modifications while preserving overall quality.
🚀 Applications
- Lyric to Vocal (LoRA): Generate vocal samples directly from lyrics for faster songwriting iterations and arrangement experiments.
- Text to Samples (LoRA): Create instrumental samples from text descriptions, providing quick production elements like loops and sound effects.
🔮 Coming Soon
- RapMachine: Specialized in rap generation, excelling in AI rap battles and narrative expression for diverse storytelling needs.
- StemGen: Generate individual instrument stems from reference tracks for precise accompaniment creation.
- Singing to Accompaniment: Produce full instrumental backing from vocal tracks for professional-sounding arrangements.
Why Choose ACE-Step?
Unmatched Speed
ACE-Step generates music 15x faster than LLM-based baselines, synthesizing a 4-minute track in just 20 seconds on an A100 GPU. This speed enables rapid iteration and real-time creative exploration.
Superior Musical Coherence
Advanced architectural design keeps melody, rhythm, and structure aligned. Diffusion-based generation and lightweight transformers reduce artifacts and deliver smoother compositions.
Multilingual Support
ACE-Step supports 19 languages, including English, Chinese, Spanish, and Japanese, helping creators generate music in their native languages.
Intuitive Editing Tools
Flow-edit technology allows precise modifications to lyrics, styles, tempo, and music parameters. Repainting and variation workflows help you refine details without losing coherence.
Diverse Styles and Genres
From classical to hip-hop, ACE-Step covers a broad range of genres and produces fitting instrumentation and style for each direction.
Advanced Vocal Techniques
ACE-Step renders expressive vocal performances with support for different singing styles and techniques, helping creators shape emotionally convincing tracks.
FAQ of ACE-Step
What is ACE-Step ai song generator?
ACE-Step is an AI song generator that creates random songs using advanced AI technology.
Can I edit the generated music?
Yes, ACE-Step offers tools for editing lyrics, melodies, and styles.
How fast is ACE-Step?
It generates music 15x faster than LLM-based baselines for AI music generation.
Is ACE-Step open-source?
ACE-Step is built on an open-source foundation model powered by ACE Studio and StepFun under the Apache 2.0 license.
Does ACE-Step support multiple languages?
Yes, ACE-Step supports music creation in multiple languages.
What are the upcoming features?
RapMachine, StemGen, and singing to accompaniment are on the roadmap.
How do I start using ACE-Step?
Try the demo, choose a preset, and start generating from a prompt that matches your video.
Can I share my music?
Yes, ACE-Step allows you to share your creations instantly.
What makes ACE-Step different from other music generators?
ACE-Step combines diffusion-based generation with advanced music control, offering stronger speed, coherence, and controllability than typical loop-based tools.
Can ACE-Step generate instrumental tracks?
Yes, ACE-Step supports realistic instrumental generation across many genres and use cases.
How can ACE-Step help me overcome creative block?
It can generate multiple musical variations from your starting idea, giving you fresh directions for your next video soundtrack.
Can I experiment with different music styles?
Yes, ACE-Step supports a wide range of genres and styles so you can quickly test different moods for your video.
How does ACE-Step help lyricists create complete songs?
ACE-Step can generate melodies and arrangements that match your lyrics, turning written ideas into full musical pieces.
Can ACE-Step handle multilingual lyric generation?
Yes, ACE-Step supports 19 languages, helping multilingual creators transform lyrics into music.
Can I use ACE-Step to create copyright-free music for my videos?
Yes, all music generated by ACE-Step is original and can be used in content without copyright concerns.
How quickly can I get music for a video project?
ACE-Step can generate a 4-minute track in about 20 seconds, making it easy to produce fitting background music quickly.
Can ACE-Step be used as a teaching tool for music composition?
Yes, it works well for demonstrating composition techniques and style differences in educational settings.
Can I create practice materials for students with ACE-Step?
Yes, you can generate musical examples and exercises tailored to different learning goals.
Can ACE-Step create music that aligns with our brand identity?
Yes, ACE-Step can generate music that matches a brand tone and style for marketing campaigns.
How quickly can teams get custom music for campaigns?
With ACE-Step, teams can generate high-quality custom music in minutes, dramatically reducing production time.
Try the AceStep Music Generator
Experience AceStep's musical journey for your video, shorts, reel, story, or TikTok immediately.