Free Image Compressor — Compress JPG, PNG & WebP Online
Compress JPG, PNG, and WebP images locally with customizable quality controls and 50-file batch ZIP download.
Direct Overview & Capability:Numvax Image Compressor supports free batch compression of up to 50 images simultaneously (JPG, PNG, WebP). Users can adjust compression quality %, compare original vs compressed file sizes, track total storage space saved, and download individual files or a single ZIP archive.
Processed 100% locally in your browser. Your images are never uploaded.
About Free Image Compressor — Compress JPG, PNG & WebP Online
Renders image frames to canvas contexts and exports compressed binaries with custom quality ratios directly in your browser without uploading to external servers.
What Can You Use This Tool For?
Photographers, web designers, content creators, and digital marketers use Image Compressor to optimize image load speeds, convert formats for web optimization, and resize digital assets for social media and website publishing.
How to Compress Images Online
1. Upload up to 50 JPG, PNG, or WebP images.
2. Set compression quality slider (e.g. 80% for optimal balance of quality and size).
3. Preview original vs compressed file sizes and total storage space saved %.
4. Download compressed images individually or as a single ZIP archive.
Usage Examples
Batch Compressing 50 Photos for Website Upload
Original: 50 photos totaling 120 MB Quality: 75% Compressed: 18.5 MB total (84.5% storage saved) Export: Single ZIP Archive Download
Frequently Asked Questions
Are my photos uploaded to external servers?
No. All image resizing, compression, and format conversions execute directly in your browser using HTML5 Canvas and WebAssembly. Your photos remain 100% private on your device.
Which image formats are supported?
Supported formats include standard JPEG, JPG, PNG, WebP, SVG, GIF, and modern image files.
How many images can I compress at once?
Numvax Image Compressor supports batch processing of up to 50 images simultaneously in a single session.
Which image formats are supported?
Supports JPG, JPEG, PNG, WebP, GIF, and BMP formats.
Are my photos uploaded to a server?
No! All compression happens 100% locally in your web browser.
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