Local file tool
ComfyUI JSON viewer
Open workflow or API prompt JSON and inspect nodes and connections.
18 October 2026 · Check AI Free
Local ComfyUI JSON inspector
Open a saved workflow or API prompt
Choose JSON directly or paste it below. Browse stored nodes, inputs and connections, then review literal model references and node types. Files stay in this browser. Node code, scripts, extensions and URLs in the input are never executed or requested.
Project-authored workflow fixtures. Model names, paths, prompts and custom nodes are fictional; no nodes execute. Limit: 1000 nodes, 10000 connections, depth 64 and 150000 JSON values. Number tokens, including seeds beyond the JavaScript safe-integer range, are preserved exactly.
Supported files and output
Direct UTF-8 JSON or pasted text: workflow 0.4/1.0 and API prompt shapes. Up to 5 MiB, 1000 nodes, 10000 links, depth 64 and 150000 values. Numeric tokens and unknown fields remain in the exact original JSON. Fixed adapters list literal model references and a pinned base-node catalog; dynamic/custom references remain unresolved. No node executes and no local files or installed resources are scanned.
Read the result with its coverage
Stored fields can be edited, copied or removed. A successful read describes the selected file’s supported containers; missing fields cannot be recovered from its pixels. A damaged or unsupported container has its own result. Review private values before copying or sharing a report.
These file operations run locally. The separate image checker can send file-header data and a reduced image copy for a model reading. Read the method and limitations when that is the task you need.
Continue the task
- ComfyUI workflow inspection: get the JSON, read nodes and list references — Choose a local path from a PNG or JSON file to stored nodes, connections, literal model references and scoped compatibility questions. Follow UI, API and unrelated-JSON scenes.
- Extract the workflow and API prompt stored in a ComfyUI PNG — Read the official SDXL original PNG, download its exact workflow/prompt JSON, compare their actual node counts, and handle a prompt-only or metadata-free file without inventing a graph.
- Tell a ComfyUI UI workflow from an API prompt JSON — Open official and self-authored UI/API JSON, locate nodes and stored connections in each shape, and separate valid unrelated JSON, empty workflows and malformed syntax.
- List the model references actually stored in a ComfyUI workflow — Export known checkpoint, LoRA and VAE literals with their node IDs, keep connected/custom-node values unresolved, and retain the fixed adapter/catalog reference without checking installed files.
- EXIF viewer and exports — Inspect the stored camera, location and caption fields.
- Remove selected metadata — Create a verified static-image copy with supported categories removed.
- Choose another file operation — Browse available tools by task.