Animated GIF (Pixel Art) Enlarger

A simple python script for enlarging animated GIF (pixel art) and convert it into an APNG (by default with Nearest-Neighbor Interpolation).

Tested under Python 3.11.2 & Pillow 10.1.0

Usage

• Download the python script main.py
• Download the executable (built by PyInstaller) from Release

Option

Args	Description
-d , --dimension	Dimension of the output (square) apng (Default=512px, Min.=Source image size)
-l , --limit	Limit for the maximum magnification (Default=12, No limit=0)
-n, --online	Using online image with URL as source
-i, --input	Image input format (Default: gif)
-o, --output	Image output format (Default: png)
-r, --resample	Type of image interpolation (Default = NEAREST)
-g, --download	Download the online images only (without anying enlargement)

Options for Resampling Filters

Details: Pillow Documentation

-r Values	Filter Name
0	NEAREST
1	BOX
2	BILINEAR
3	HAMMING
4	BICUBIC
5	LANCZOS

Remarks

1. By default, the output file format will be .png with resolution = 512 × 512
2. The output file will placed into a subfolder 'enlarged'
3. When using online image (with URLs) as source, you have to press Ctrl + Z (for Windows) / Ctrl + D (for Linux) to new line to complete your insert