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GitHub Actions

GitHub Actions Workflow Visualizer

Paste a GitHub Actions workflow YAML file and instantly generate a job dependency diagram. Spot bottlenecks, understand CI pipeline structure, and export your workflow visualizer output for docs or PRs.

How to use the GitHub Actions workflow visualizer

  1. 1. Paste workflow YAML

    Copy the contents of a .github/workflows file into the YAML editor. The visualizer accepts standard GitHub Actions workflow syntax including jobs, needs dependencies, matrices, and reusable workflow references where parseable.

  2. 2. Inspect the job dependency graph

    The preview renders jobs as nodes and needs relationships as directed edges. Parallel jobs appear side by side while sequential dependencies flow top to bottom or left to right depending on layout controls.

  3. 3. Load a starter workflow

    Use the built-in templates for linear CI, parallel deploy pipelines, or matrix builds when you want a quick example. Replace steps and job names with your own repository configuration.

  4. 4. Export the graph for documentation

    Download the rendered graph as SVG, PNG, or PDF when you need to embed pipeline structure in internal docs, design reviews, or onboarding guides.

Common use cases

  • Onboarding new platform engineers

    Show how build, test, and deploy jobs connect without reading hundreds of lines of YAML. A graph highlights bottlenecks such as jobs that block all downstream work.

  • Refactoring CI pipelines

    Before splitting or merging jobs, visualize the current dependency chain. Teams spot unnecessary serial steps that could run in parallel to reduce wall-clock time.

  • Security and compliance reviews

    Demonstrate where signing, scanning, or approval jobs sit relative to deployment. Reviewers verify gating steps are ordered correctly.

  • Debugging failed needs chains

    When a job never runs, confirm whether its needs array references the correct upstream job IDs and that skipped jobs behave as expected.

  • Architecture documentation

    Embed exported graphs in README files or internal wikis so release engineering practices stay visible as workflows evolve.

Frequently asked questions

Does this connect to my GitHub repository?
No. You paste YAML manually. Nothing is fetched from GitHub and your workflow files never leave the browser.
Are reusable workflows fully supported?
The visualizer focuses on job-level needs dependencies declared in the pasted file. Complex reusable workflow indirection may appear as single jobs until expanded manually.
Can I edit YAML and see updates instantly?
Yes. The graph re-renders as you change the workflow definition, and parse errors are surfaced with line information when YAML is invalid.
What export formats are available?
You can export the dependency graph as SVG, PNG, or PDF using the same export controls as other drawflow.io diagram tools.