Soundtrap is a browser-based studio for recording and producing music and podcasts, with built-in loops, instruments and vocal tools.
Music Tools
Our own free browser tools first, then a directory of 48 music apps, plugins and services — each checked against its official site for what it does, what it costs and where it runs.
Made by WorldBestSong — free, runs in your browser
Nothing is uploaded and you don't need an account.
Song Mastering Tool
Polish a mix in your browser
High-pass, tone EQ, glue compression, saturation, stereo width and a limiter, with eight presets, live meters, A/B and a 16-bit WAV export. Your audio is processed on your device and never uploaded.
Open →BPM & Key Finder
Detect tempo and musical key
Detect BPM and musical key with Camelot Wheel notation directly in your browser. Includes a live tap tempo counter. 100% private and runs locally on your device.
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Music software directory. 8 categories, from online studios and AI generators to plugins, samples, notation and distribution. Pick a category or search, then open a tool for its features, pricing and platforms.
48 tools
Online DAWs & Collaborative Studios
Browser-based studios for recording, producing and mixing music with collaborators in real time.
BandLab is a free cloud DAW paired with a social platform where users record, mix and publish tracks from a browser or phone.
Soundation is an online music studio with drum machines, synths, effects and a large loop library, plus real-time collaboration on shared projects.
Audiotool is a free browser DAW built around modular routing, letting users wire synths, drum machines, effects and VST3 plugins into custom chains.
Amped Studio is a browser DAW that mixes audio and MIDI tracks, ships virtual instruments and effects, and can host desktop VST3 plugins through a companion app.
AI Music & Vocal Generators
Generative tools that turn text prompts, lyrics or MIDI into songs, instrumentals and synthetic vocals.
Suno
FreemiumAI Music & Vocal GeneratorsSuno turns a text prompt or lyrics into a complete song with vocals and instrumentation in about a minute.
Udio
FreemiumAI Music & Vocal GeneratorsUdio generates songs with vocals from text prompts and lets subscribers extend, remix and edit tracks in a timeline view.
AIVA
FreemiumAI Music & Vocal GeneratorsAIVA is an AI composition assistant with 250+ preset styles, custom style models and the option to steer results with an uploaded audio or MIDI influence.
SOUNDRAW generates royalty-free instrumental tracks from mood, genre, length and energy settings, with bar-level editing in the browser.
Lyria is Google DeepMind's family of music-generation models.
Synthesizer V Studio 2 Pro is Dreamtonics' vocal synthesis software.
ElevenLabs pairs its AI voice tools (text-to-speech, voice cloning, dubbing) with Eleven Music, which generates full songs with vocals from a prompt and which ElevenLabs says was developed with label and publisher partners.
Loudly is a Berlin-based AI music platform that generates royalty-free tracks from text prompts or genre settings and bundles a remixer, stem splitter, mastering and distribution to streaming services.
Boomy
FreemiumAI Music & Vocal GeneratorsBoomy builds an original song from a chosen style and lets you edit it without any music background.
Magenta Studio is a free Max for Live MIDI plugin from Google's Magenta project with five machine-learning tools that continue, generate, interpolate, groove and drumify clips inside Ableton Live.
Audio Editing & Stem Separation
Editors and AI services for cleaning up recordings and splitting songs into vocal and instrument stems.
LALAL.AI is a browser-based audio separation service that splits songs into vocals, drums, bass, guitar, piano and other stems, and adds voice-cleaning and voice-changing tools.
Moises is a practice and production app that separates songs into stems, detects chords, key and tempo, and changes pitch or speed.
Audacity is a free, open-source audio recorder and editor for Windows, macOS and Linux maintained by Muse Group and contributors.
Fadr is a web-based AI music toolkit from Pebble that splits songs into stems, detects key, tempo, chords and MIDI, and adds remix and DJ tools.
iZotope RX 12 is an audio repair suite sold in Elements, Standard and Advanced editions; Standard and Advanced add a standalone spectral editor alongside the DAW and video-editor plugins.
Online Mastering & Enhancement
Online and plugin-based mastering engines that polish a finished mix for streaming release.
LANDR Mastering is a browser-based AI mastering service that analyses an uploaded mix and returns a finished master as MP3, WAV or HD WAV.
eMastered is a web mastering engine that processes an uploaded mix in seconds and lets subscribers adjust strength, EQ, width and loudness.
Ozone 12 is iZotope's mastering plugin suite for Windows and macOS, sold as Elements, Standard and Advanced editions with up to 20 modules.
Maztr is an Australian-made browser mastering service, launched in 2016, that lets home recording artists upload a song or podcast, tweak EQ, compression, width and loudness, then download the result.
VST Plugins & Software Instruments
Software instruments, samplers and effects that run inside any major DAW.
Kontakt 8 is Native Instruments' sampler and instrument host, playing a 900+ instrument factory library plus thousands of third-party Kontakt libraries.
Omnisphere 3 is Spectrasonics' flagship software synthesizer, combining sample-based, wavetable and granular synthesis with a factory collection of 18 libraries.
Serum 2 is Xfer Records' hybrid synthesizer built around five oscillator types: wavetable, multisample, sample, granular and spectral.
Valhalla Supermassive is a free Valhalla DSP plugin that blends delay and reverb.
Neural DSP develops guitar, bass and vocal processing plugins, including the artist-branded Archetype series, Darkglass Ultimate and the Mantra vocal suite.
Soundtoys builds creative effect plugins that draw on the character of classic studio gear, sold one by one or in the 23-plugin Soundtoys 5 bundle.
Waves Audio offers more than 240 mixing, mastering and live-sound plugins as individual licences or via the Creative Access subscription.
Splice INSTRUMENT is a sample-based instrument plugin with a free tier of several hundred presets and monthly free drops.
Samples, Loops & Sound Design
Sample marketplaces, loop libraries and sound packs for building beats and textures.
Splice is a subscription sample marketplace where producers spend monthly credits on royalty-free one-shots, loops and presets from a catalogue of over three million sounds.
Loopcloud is Loopmasters' subscription sample service, pairing a desktop app and plugins that let producers search, audition and edit millions of sounds in time and key with their project.
Arcade is Output's subscription sampler plugin that lays curated loops and multi-sampled instruments across the keyboard, with new kits added on an ongoing basis.
Tracklib licenses original recordings and stems from labels and publishers so producers can sample real songs and register clearances through the platform.
Cymatics sells royalty-free sample packs, MIDI collections and audio plugins aimed at hip-hop, trap and electronic producers, alongside a large catalogue of free downloads.
Notation, Chords & Theory
Score editors, chord finders and theory tools for writing, reading and learning music.
MuseScore Studio is an open-source desktop notation program for writing, engraving and playing back scores from solo piano to full orchestra.
Chordify analyses a song's audio to work out its chords and shows them in sync with playback, with diagrams for guitar, piano, ukulele and mandolin.
Ultimate Guitar is a community-built catalogue of guitar, bass and ukulele tabs, chords and lyrics, free to read on the web and in its apps.
Hooktheory makes Hookpad, a browser-based sketchpad for writing chord progressions and melodies with theory hints built in, plus the Theorytab database of analysed songs, two interactive theory books and the Chord Crush ear-training app.
Noteflight is a browser-based notation editor for composing, sharing and playing back scores, free for up to 10 scores.
Flat
FreemiumNotation, Chords & TheoryFlat is a cloud notation editor for browser, desktop and mobile that lets several people edit one score at the same time.
Distribution & Promotion
Services that deliver releases to streaming platforms and help promote them to listeners.
DistroKid is a subscription music distributor that delivers unlimited releases to streaming services for a flat yearly fee, with add-on tools for royalty splits, lyrics, streaming stats and fan promotion.
TuneCore, part of Believe, distributes independent releases to more than 150 stores on annual plans and adds publishing administration, revenue splits and YouTube monetisation for self-releasing artists.
CD Baby charges a one-time fee per single or album and then keeps 9% of digital revenue instead of yearly renewals, and also handles cover-song licensing and physical CD and vinyl distribution.
Amuse is a distributor with web, iOS and Android apps that sends unlimited releases to streaming services on low-cost annual plans, alongside an artist and label services arm for larger acts.
UnitedMasters combines paid unlimited distribution to 150+ services with a marketplace of brand and sync opportunities, letting artists keep their royalties while pitching for licensing deals.
Names and logos belong to their owners. Listings are editorial and unpaid. WorldBestSong is not affiliated with the makers of the third-party tools in this directory; prices and features change — confirm on the official site. Know a tool that belongs here? Get in touch.