About this tool
Batch Resize processes an entire folder of images in one go. Upload multiple files, choose your resize mode — fixed dimensions, max dimension or percentage — set the output format, and download all resized images in a single ZIP.
How it works
- 1Upload multiple image files (drag multiple at once or use the file picker).
- 2Choose resize mode: Fixed Dimensions, Max Dimension or Percentage.
- 3Set output format: PNG, JPEG or WebP.
- 4Click Resize All — progress is shown, then all images download as a ZIP.
Common use cases
- ✓Bulk processing product photography for e-commerce
- ✓Standardising image libraries
- ✓Preparing multiple asset sizes for responsive design
- ✓Resizing a whole folder before upload
Privacy first. Batch Resize runs entirely inside your browser using the HTML5 Canvas API. Your images are never uploaded to any server, stored anywhere or shared with third parties. Everything happens locally on your device.
More Export & Format tools
Format Converter
Convert images between PNG, JPEG and WebP with live size preview.
JPEG Compressor
Compress JPEG images with a quality slider and live size stats.
PNG Optimiser
Optimise PNG images by choosing colour depth and bit depth.
WebP Converter
Convert any image to WebP with quality control and lossless mode.
Favicon Generator
Generate all favicon sizes from one image and download as a ZIP.
Social Media Sizer
Resize images to the exact dimensions of any social media platform.