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image tool
Resize
Batch resize. Batch convert. All local.
Resize, convert, and compress hundreds of images at once using Canvas API and Web Workers. Platform presets for social media, web, email, and print - all processing stays on your machine.
FEATURES
What Resize does
Drag-and-drop multi-image and folder upload
Platform presets: Web, Social Media, Email, Thumbnails, Print, Retina
Format conversion between JPEG, PNG, WebP, AVIF, BMP, TIFF, GIF
Per-image settings overrides
Download all results as a single ZIP
SUPPORTED FORMATS
.jpeg.png.webp.avif.bmp.tiff.gif
UNDER THE HOOD
How it stays local
Technology Stack
Canvas API + Web Workers for non-blocking batch processing
Offline Capable
Works without internet after first load
Zero Upload
Files never leave your browser
WebAssembly Powered
Near-native performance in your browser