Image Optimizer Tool
Reduce and resize JPG, PNG, GIF, and BMP images for better website performance.
Drag & Drop Images Here
or click to browse files
How the Image Reduce & Resize Tool Works
This is a client-side image resizing tool that processes images entirely in your web browser without uploading them to any server.
Reduce & Resize Tool Key Features
- Browser-Based Processing: All image processing happens locally in your browser using JavaScript's Canvas API.
- Privacy-Focused: Your images never leave your computer since no server processing is involved.
- Multiple Format Support: Handles JPG, PNG, GIF, BMP, and WebP formats.
- Responsive Design: Works on both desktop and mobile devices.
How It Works Reduce & Resize Tool
Image Input
- Users can either:
- Click the upload area to select a file
- Drag and drop an image file onto the upload area
- The tool accepts JPG, PNG, GIF, and BMP files
Image Processing
- The tool reads the file using FileReader API
- Creates an Image object to get the original dimensions
- Calculates the aspect ratio (width/height)
- Suggests initial dimensions (up to 1200px while maintaining aspect ratio)
Resizing Controls
- Width and Height: Via sliders or numeric input
- Quality: For JPEG/WebP output (10-100%)
- Output Format: JPEG, PNG, WebP, GIF, or BMP
- Options:
- Maintain aspect ratio (enabled by default)
- Show/hide preview
Resizing Process
- Creates a canvas element with the target dimensions
- Draws the original image onto the canvas with high-quality scaling
- Converts the canvas to the selected output format
- For JPEG/WebP, applies the quality setting
Output
- Shows preview of the resized image (if enabled)
- Displays file information (dimensions, size, format)
- Enables the download button
Download
- Creates a download link for the resized image
- Names the file based on original name + "-resized" + extension
- Triggers the download automatically