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Bulk image resizer to instantly scale pictures. Shift width, height, and lock aspect ratios without server processing. Secure, fast resizing for Instagram, YouTube, and web design.
💡 Recommended: 20-100 files for best performance
Upload Files
Drag & drop files here, or click to select
Drag & drop images here
Supported: PNG, JPG, WebP, AVIF, GIF, BMP, TIFF, ICO
Standardize your entire asset library with one click. The Bulk Image Resizer is calibrated for e-commerce teams, social media managers, and developers who need consistent dimensions across hundreds of files.
Finish the job by running your resized assets through the Bulk Compressor.
Drag and drop multiple photos and apply standard dimensions (like 1080×1080 for Instagram) across all of them instantly. The browser-local tool ensures blazing-fast processing without uploads.
Downscaling generally maintains sharp detail. Upscaling can result in pixelation, which is why Shrinkify warns you when you try to enlarge a small photo too much.
Yes, use the 'Lock Aspect Ratio' option. When you change the width, the height automatically adjusts to prevent stretching or distortion.
Check out our technical guides to learn more about how browser-side processing works.
Read Glossary