ShrinkStack: AI-Powered Batch Image Resizer & Editor

Batch Image Format Converter

Convert multiple images to JPG, PNG, WebP, or combine them into a single PDF.

Drop Images Here

Drop images here or click to browse. Supports JPG, PNG, WebP, GIF, AVIF, BMP. Up to 20 images, max 25MB per image.
(SVG has limited support and will be rasterized)

Conversion Settings

Choose the output format and quality for all images.

Output Format

Quality80%

Quality slider is disabled for lossless formats like PNG or document formats like PDF.

AI Format Advisor

Not sure which format to choose? Ask our AI for an expert recommendation.

Your Question

How to Use This Tool