Bulk Image Collage and Grid Merge is a HapiPic Pro feature for image batch processing, bulk image generation, and automated production. It is suitable for bulk image collage, batch image grid maker, photo collage maker, batch image merge, grid collage generator. This document describes every screen parameter so users can configure the feature before a full batch run.
Final width and height of each collage. Larger sizes keep more detail but produce larger files.
Fills the canvas background, gaps, borders, and empty areas.
Exports transparent areas when supported. PNG is recommended.
Supports JPG, PNG, and WEBP. PNG is best for transparency; JPG is smaller for normal images.
Controls quality and file size. 100% keeps maximum quality.
Controls the grid layout, such as 2x2, 3x3, or up to 8x8.
Adds blank margin around the whole collage in pixels.
Auto Crop fills cells and may crop edges; Stretch changes ratio; Keep Aspect Ratio preserves the full image.
Rounds each image corner. Higher values create a softer card style.
Spacing adds gaps between images; blur feather softens transitions.
Shows a canvas preview for checking layout, text, watermark, and spacing.
Adds a PNG watermark scaled to the output image size.
Shows editing borders for text layers. It does not export to the final image.
Adds titles, labels, item numbers, or campaign copy to every output.
Controls the style of the text layer.
Controls text size. Larger text needs more layout space.
Supports left, center, and right alignment.
Sets the text fill color.
Adds an outline to improve readability on complex backgrounds.
Controls the text box area. Important for long or batch text.
Precisely positions the text layer on the canvas.
Rotates the text layer for labels or decorative layouts.
Uses different text for different generated images. One line maps to one output and loops when needed.
Single folder takes images from one folder; multiple folders assign each grid slot to a folder.
Randomizes source folder order in multiple-folder mode.
Randomizes image selection inside a source folder.
Supports index, time plus index, or first image name plus index.
Authorizes the feature before running. It does not change output style.
Selects the images, files, or project folders to process. Confirm the path exists before running.
Sets where generated files are saved. A dedicated empty folder is recommended.
Limits how many files are generated or processed in one run.
Removes existing output files before running. Use only when old results are not needed.
Stores the current settings for this feature. Save before running a batch.
Starts the task. If a task is running, the same button may stop it.
Shows progress and errors. Check this first if generation fails.
Before running, make sure the output folder exists. If clear output is enabled, confirm that the folder does not contain files you need to keep. For large jobs, use a dedicated output folder for review, archiving, and regeneration.
This is usually related to source file count, maximum output count, filters, sorting, or mode settings. Check the input folder and quantity limits first.
Check size, crop mode, compression quality, background, text placement, sorting, output format, and the preview sample.
Use a separate output folder and replace originals only after checking the generated results.