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SPECIFICTION
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PulseGrid

github.com

WebWindowsmacOSLinuxSelf-hosted
Visit github.com
Spec score 7.3 #16 of 17 in AI DJ Software

What it is

PulseGrid is a free, open-source DJ workstation that runs in a browser and uses two decks to analyze tracks, plan sets, and work through transitions. It examines local audio for BPM, key, beatgrid, waveform, energy, drops, and musical structure. A natural-language brief can guide track order, transition points, and automation for EQ, Filter, FX, and Crossfader. Before Auto Play, users can preview and review transitions, adjust cues, or take manual control. Mixing tools include Sync, loops, up to eight Hot Cues per track, EQ, FX, and browser master-output recording. Supported formats include WAV, MP3, AIFF, M4A, AAC, FLAC, OGG, and Opus, with a 600 MB per-file upload limit. The project says audio and analysis jobs stay on the user's computer rather than being sent to an external PulseGrid server. Some state may remain in browser local storage, and libraries do not sync automatically between devices or browser profiles. Docker setup is documented for Mac, Windows, and Linux; native installation is documented for macOS. Chrome or Edge is recommended for first use.

Spec sheet

Product
PulseGrid is an open-source, local-first, dual-deck DJ workstation that analyzes tracks and helps create and perform DJ sets.Read 3 Oct 2026 · github.com
Intended users
The project presents itself for DJs who want to analyze tracks, plan and review sets, and rehearse or perform transitions with editable automation.Read 2 Oct 2026 · github.com
Deployment
PulseGrid requires a local Node.js API, Python, and audio tools, so the maker says hosting only its static files on GitHub Pages is insufficient.Read 3 Oct 2026 · github.com
Integrations
The documented setup uses Docker or Docker Compose, with a native macOS installation option; no third-party music service integration is listed.Read 2 Oct 2026 · github.com
Privacy
The maker says audio files and analysis jobs stay on the user's computer and music is not uploaded to an external PulseGrid server.Read 3 Oct 2026 · github.com
License
The maker says PulseGrid's original source code is released under the MIT License unless a file states otherwise, while third-party components retain their own licenses.Read 3 Oct 2026 · github.com
Analysis
It analyzes BPM, key, beatgrid, energy, waveform, double drops, and musical structure for user-uploaded tracks.Read 3 Oct 2026 · github.com
Audio formats and limit
It supports WAV, MP3, AIFF, M4A, AAC, FLAC, OGG, and Opus, with a local upload limit of 600 MB per file.Read 3 Oct 2026 · github.com
Browser support
The maker recommends Chrome or Edge for first use and says those browsers provide the most complete Web Audio and AudioWorklet support.Read 3 Oct 2026 · github.com
Data storage
Uploads and analysis jobs are stored locally, some state may be saved in browser local storage, and libraries do not sync automatically across devices or browser profiles.Read 2 Oct 2026 · github.com
Installation
The maker documents Docker installation for Mac, Windows, or Linux and a native installation for macOS.Read 3 Oct 2026 · github.com
Local privacy
The project says music, uploads, analysis service, and results run locally and tracks are not uploaded to an external PulseGrid server.Read 2 Oct 2026 · github.com
Local storage
Some interface state, cues, ratings, and tags may be stored in the current browser's local storage, and libraries do not automatically sync across devices or browser profiles.Read 3 Oct 2026 · github.com
Mixing features
The workstation includes dual decks, waveforms, Sync, loops, EQ, filters, effects, crossfader, and up to eight Hot Cues per track.Read 3 Oct 2026 · github.com
Platform requirements
Docker is documented for use on Mac, Windows, or Linux; native installation is documented for macOS, and Chrome or Edge is recommended for first run.Read 2 Oct 2026 · github.com
Security and compliance
The repository describes local data handling but does not state security certifications or compliance attestations.Read 2 Oct 2026 · github.com
Set creation
A natural-language brief can guide set planning, including track order, transition points, and EQ, Filter, FX, and Crossfader automation.Read 2 Oct 2026 · github.com
Set duration
Target set duration is a soft goal, and PulseGrid prioritizes safer structure and transitions if the available material is insufficient.Read 3 Oct 2026 · github.com
Set planning
Users can describe a set in natural language, and PulseGrid plans track order, transition-specific Cue 8 to Cue 5 handoffs, and mixing automation.Read 3 Oct 2026 · github.com
Supported audio
Common supported formats include WAV, MP3, AIFF, M4A, AAC, FLAC, OGG, and Opus, with a 600 MB per-file local upload limit.Read 2 Oct 2026 · github.com
Technical limits
Heuristic structure detection can be inaccurate with half-time BPM, complex live intros, weak downbeats, or ambiguous drops, so low-confidence results need manual review.Read 3 Oct 2026 · github.com
Track analysis
It analyzes local tracks for BPM, key, beatgrid, waveform, energy, drops, and musical structure.Read 2 Oct 2026 · github.com
Transition review
Users can preview and audit transitions before Auto Play, and can take manual control at any time.Read 3 Oct 2026 · github.com

Strong points and limits

Strong points

  • Free and released under the MIT License.
  • Analyzes BPM, key, beatgrid, energy, and structure.
  • Previews transitions before Auto Play.
  • Audio and analysis jobs stay local.

Limits

  • Local uploads are limited to 600 MB per file.
  • Libraries do not sync automatically across devices.
  • Structure detection may be inaccurate in some cases.
  • Browser key shifting and DSP differ from dedicated hardware.

Who it suits

PulseGrid suits DJs who want to analyze tracks, plan and review sets, and rehearse or perform transitions with editable automation. It is also a fit for users comfortable with the documented Docker setup or macOS installation.

Verdict

PulseGrid combines track analysis, natural-language set planning, and editable transition automation in a local-first browser workstation. Its local storage, analysis limitations, and setup requirements are important to consider before relying on it across devices or for performance.

Where Specifiction places it

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