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LOCAL FIRSTMy account ↗
THE WORKFLOW LAB

Your ComfyUI workflow. One workspace.

Diagnose. Build. Compare. Keep a record — all for ComfyUI, locally.

CheckerFind workflow issuesStudioBuild and edit visuallyCompareSee what changedCasebookKeep evidence and checks
Open Studio →Check workflow

Recent local drafts

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No saved work on this device yet. Start in Studio or import a workflow.
One workspace, every next step

Your troubleshooting toolkit

01 · DIAGNOSE

Workflow checker ↗

Inspect JSON or PNG, focus broken connections and review safe repairs.

02 · UNDERSTAND

Log inspector ↗

Turn a relevant ComfyUI error into evidence and practical checks.

03 · COMPARE

Workflow comparison ↗

Find semantic changes in nodes, settings, models and connections.

04 · CREATE

Workflow Studio ↗

Edit a graph locally and export a copy for verification in ComfyUI.

05 · RESOLVE

Casebook ↗

Keep the issue, evidence, checklist and actual outcome together.

06 · EXPLAIN

OnBeg Pro ↗

Ask for a focused AI explanation of only the excerpt you approve.

A BETTER TROUBLESHOOTING HANDOFF

Stop losing the context.

A Casebook turns a finding into a recovery brief: evidence, a checked action list and the actual result. Export it locally, or request a structured AI recovery plan with Pro.

Explore Casebook ↗

Free tools. Optional guidance.

Local workflow diagnostics, graph inspection, repairs, comparisons and Casebook exports stay free. Pro adds up to 30 shared AI requests per month for $10.99 USD.

Compare Free and Pro →

Find your next step

Error library · Workflow starters · JSON formatter · PNG metadata · Log redactor

Follow a specific diagnostic checklist, inspect a local copy and verify the result in your own ComfyUI.

What is OnBeg?

OnBeg is an independent ComfyUI workflow workspace in your browser. Use ComfyUI Workflow Studio to edit nodes and export JSON, Workflow Checker to inspect connections, Log Inspector to understand errors, and Compare to review changes. PNG Metadata extracts embedded graphs and Casebook keeps local recovery notes.

Start without an account

The local tools and Nodi quick tours are free. Your workflow inputs stay on your device during local analysis. Optional AI sends only the context you approve to the configured provider. Pro costs $10.99 USD per month for up to 30 shared AI requests.

OnBeg edits and inspects workflows; it does not run ComfyUI models in your browser. To generate images, open the exported JSON in a compatible ComfyUI installation with your models.