Free Online Music Tools for the AI Music Era
Extend songs with AI, make sped up and slowed + reverb edits, convert to 8D, and build better Suno prompts. Instant preview, MP3/WAV download, no sign-up.
Free · No account · Audio effects run 100% in your browser
Featured tools
AI Song Extender
Make any song longer with AI-generated continuations
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⚡Sped Up Song Maker
Create TikTok-style sped up versions of any song
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🌙Slowed & Reverb Generator
Turn any track into a dreamy slowed + reverb edit
Open tool →
🪄Suno Prompt Generator
Build better prompts and style tags for AI music
Open tool →
All tools
View all →AI Song Extender
Make any song longer with AI-generated continuations
⚡Sped Up Song Maker
Create TikTok-style sped up versions of any song
🌙Slowed & Reverb Generator
Turn any track into a dreamy slowed + reverb edit
✨Nightcore Maker
Speed up and pitch up any song into nightcore
🎧8D Audio Converter
Give any song the immersive rotating 8D effect
🎚️Audio Speed Changer
Speed up or slow down audio to any tempo
🪄Suno Prompt Generator
Build better prompts and style tags for AI music
📝AI Lyrics Generator
Generate song lyrics with structure tags ready for Suno
Why SongToolbox
Private
Audio effects are processed in your browser with the Web Audio API. Your files never touch a server.
Free
No sign-up, no watermarks, no export limits. Upload a track and download the result, done.
Fast
Instant preview of every edit, then one-click export to MP3 or WAV at full quality.
Frequently asked questions
Are these music tools really free?
Yes. Every tool works without an account, with no watermarks and no export limits. You can preview your edit and download it as MP3 or WAV right away.
Do my audio files get uploaded?
The audio effect tools (sped up, slowed and reverb, nightcore, 8D, speed changer) run entirely in your browser — your file never leaves your device. The AI Song Extender is the one exception: it sends your track to AI infrastructure to generate the continuation, and files are not kept afterward.
What formats can I upload and download?
Upload MP3, WAV, M4A, OGG or FLAC files up to 60 MB. Downloads are available as 192 kbps MP3 or 16-bit WAV.
Do I need to install anything?
No. Everything runs in a normal browser tab on desktop or mobile — no app, no plugin, no sign-up.