User Guide
Learn how to use each feature module in Sinapis Sprite
Frame Extract
Upload Video
Support drag-and-drop or click to select video files
- Click upload area or drag video file to upload zone
- Supports MP4, WebM and other common video formats

Configure Extraction
Choose extraction method and set frame interval
- Choose method: Canvas (fast) or FFmpeg (precise)
- Set frame interval, smaller value extracts more frames
- View expected frame count and video duration

Extract Frames
Start extracting video frames and preview results
- Click "Start Extraction" button and wait for processing
- View all extracted frames in the frame preview area

Export & Transfer
Select frames to export or transfer to next module
- Check desired frames, supports select all and batch selection
- Click "Export Selected Frames" to download as PNG images
- Or click "Remove BG" to transfer selected frames to Background Remover

Background Remover
Upload Images
Receive frames from extraction or upload local images
- Automatically receive frame data from Frame Extract page
- Or click "Add Image" to upload local PNG/JPG files

Chroma Key Removal
Remove background by specifying color, suitable for solid backgrounds
- Select "Chroma Key" mode
- Click target color or use color picker to set target color
- Adjust tolerance value and preview removal effect

AI Model Removal
Use AI model to intelligently identify and remove background
- Select "AI Model" mode
- Select model and data type configuration
- Click batch process, AI automatically identifies and removes background

Batch Process & Export
Batch process multiple images and export results
- Select multiple images and click "Batch Process"
- Use Diff comparison view to see before and after effects
- Export processed transparent background images or generate Atlas

Auto Detect & Crop
Automatically detect sprite content area and crop transparent edges
- Select processed transparent background sprites
- Click "Auto Crop", system automatically detects content boundaries
- Preview crop results, confirm and export cropped sprites

Atlas Builder
Add Sprites
Receive sprites from BG Remover or upload local files
- Automatically receive processed sprites from Background Remover
- Or click "Add Sprite" to upload local PNG files
Manual Layout
Freely drag and adjust sprite positions on canvas
- Use select tool to select sprite
- Use move tool to drag sprite to target position
- Adjust position and scale precisely in inspector

Auto Arrange
One-click automatic optimization of sprite layout
- Set canvas size and sprite padding
- Click "Auto Arrange", system automatically calculates optimal layout

Export Atlas
Export Atlas image and Plist configuration file
- Confirm canvas layout and sprite positions
- Click "Export Atlas + Plist" to generate final files

Atlas Splitter
Upload Atlas
Upload Atlas image and corresponding Plist file
- Upload Atlas PNG image file
- Upload corresponding Plist configuration file

Auto Detect
Parse Plist and identify all sprite regions
- Click "Start Split" button
- System automatically parses Plist and identifies sprite regions
Preview Split
Preview split results in grid or list view
- Switch grid/list view to see sprites
- Check sprites to export

Export Sprite Atlas Config File
Export identified sprite regions as atlas configuration file
- Confirm sprite detection results are correct
- Click "Export Plist" to download identified sprite Plist file

Workflow
Sinapis Sprite's four modules can be used independently or chained into a complete workflow:
