Generate hundreds of images in 3 simple steps
Go from template and data to a full image gallery in seconds.
1. Define Template
Paste your JSON prompt template with a single ${variable} placeholder.
2. Upload Data
Drop a CSV or JSON array with values for your variable.
3. Generate & View
Hit Generate! Watch your images appear in a gallery, ready to download.
Visual Iteration at the Speed of Thought
Focus on creativity, not tedious repetition. PromptMerge empowers you.
Blazing Fast Generation
Turn hours of manual work into seconds. Generate dozens or hundreds of images quickly via OpenAI's API.
Structured Control
Maintain perfect mapping between your input data rows and the resulting images. Ideal for A/B testing or data-driven art.
Privacy Focused
All processing happens in your browser by default. Your templates, data, and generated images stay private unless you opt-in.