Convert between SD WebUI (A1111/Forge) prompt text and ComfyUI workflow JSON.
Live: promptbridge.dev
- SD WebUI → ComfyUI: Paste generation data from CivitAI or SD WebUI, get a ready-to-use ComfyUI workflow JSON
- ComfyUI → SD WebUI: Upload or paste ComfyUI workflow JSON, get SD WebUI format text
- FLUX support: Auto-detects FLUX models and generates optimized pipeline (cfg=1, euler, simple)
- LoRA conversion: Extracts
<lora:name:weight>tags and creates LoraLoader nodes - 20+ samplers: DPM++ 2M/3M SDE, Euler, DDIM, UniPC, Heun, and more with Karras/Exponential variants
- Forge compatibility: Supports Forge-specific metadata format (
width/heightkeys) - Smart warnings: SDXL resolution mismatch, Hires fix, Clip skip, BREAK keyword, SD3 models
- Go to a CivitAI image page
- Click Generation data → COPY ALL
- Paste into PromptBridge
- Click Convert
- Download the ComfyUI workflow JSON
- Next.js (App Router) + TypeScript
- Tailwind CSS + shadcn/ui
- Supabase (stats tracking)
- Vercel (hosting)
npm install npm run dev
Issues and pull requests are welcome. Please report bugs with the input data that caused the issue.
GPL-3.0