Re-Sizefy
Secure Batch Image Converter - Your files never leave your device
Privacy-First: Your images are never sent to a server
Drag & drop images (JPG, PNG, WebP, GIF) here or click to select
Resize
px
Effect
px
%
%
%
Watermark
%
Output
%
File Renaming Rule
Prefix
Start Num
Suffix
Example: img_001_resize.jpg
How to use Re-Sizefy
- Upload Images: Select JPG, PNG, WebP, or GIF files by dragging them into the 'Dropzone' or clicking to browse your files.
- Set Dimensions: Toggle 'Enable Resize' and choose your target length. Our 'Multi-step' algorithm ensures the highest quality downsampling.
- Apply Effects: Adjust brightness, contrast, and sharpening. The 'Live Preview' will show you the results instantly.
- Add Security: Input your watermark text and choose its position. All processing remains on your local machine.
- Batch Download: Click 'Batch Convert'. A single file downloads directly; multiple files are bundled into a convenient ZIP archive.
Supported Formats
Input Support (Source):
- JPG/JPEG: Standard digital photography format.
- PNG: Supports transparent backgrounds.
- WebP: Modern high-efficiency web format.
- GIF: Graphics and simple animations.
Output Support (Export):
- WebP (Recommended): Best for websites. Smallest size, modern quality.
- JPG (Standard): Best for maximum compatibility with all devices.
- PNG (Lossless): Best for logos or images requiring zero quality loss.
Technical Integrity & Terms
All processing is executed via the browser's hardware-accelerated Canvas API. Re-Sizefy does not utilize server-side storage, ensuring your intellectual property remains under your absolute control. By utilizing this utility, you acknowledge that all data processing occurs within your local environment. Re-Sizefy claims no ownership over your assets.