Drag & drop images here
or choose files (multiple supported)
Compress settings
Quick Tips
This tool works completely in the browser — your images do not leave your device. Conversions use the canvas to re-encode images which also removes metadata (EXIF) for privacy.
Supported output: JPG, PNG, WebP. Batch downloads are bundled into a ZIP using a lightweight zip packer (client-side).
For best results, preview your changes before downloading. All processing happens locally for maximum privacy.
Image Master — Complete Image Processing Solution
Image Master is a powerful, lightweight, and mobile-optimized image utility designed for website owners, bloggers, and small businesses. With a focus on privacy and performance, all image processing happens directly in your browser — your images never leave your device.
Smart Compression
Reduce image file sizes without noticeable quality loss using advanced compression algorithms.
Format Conversion
Convert between JPG, PNG, and WebP formats to optimize for different use cases and platforms.
Watermarking
Protect your images with customizable text watermarks, controlling position, size, and opacity.
Batch Processing
Process multiple images simultaneously and download them as a convenient ZIP archive.
How to Use Image Master
- Upload Images: Drag and drop your images onto the designated area or click "choose files" to select them from your device. Multiple files are supported.
- Select Operation: Choose from the available tabs — Compress, Convert, Watermark, Resize, or Advanced tools.
- Adjust Settings: Customize the parameters based on your needs.
- Preview Results: The preview updates automatically when you upload files or apply operations.
- Download: Click the appropriate action button to process and download your images.