Free Online Image Resizer & Compressor
Resize, compress, and convert JPEG, PNG, and WebP images up to 90% smaller. Runs 100% in your browser — no uploads, no limits, no watermarks.
Resize Images Online Without Quality Loss
Our free online image resizer processes every file entirely in your browser using modern Web APIs. There are no server uploads, no file size limits, and no watermarks — your images stay 100% private on your device. Resize by exact pixel dimensions, percentage scale, or aspect-ratio-preserving modes, then download instantly as JPEG, PNG, or WebP with optional transparent background fill.
Why Use Our Image Resizer?
- Zero uploads, total privacy: Images never leave your computer — perfect for sensitive photos or confidential documents.
- Smart compression up to 90%: Reduce file size dramatically while preserving visual quality with adjustable quality sliders.
- Multi-format support: Resize and convert between JPEG, PNG, and WebP in a single workflow.
- Batch-ready with no limits: Process as many images as your device memory allows — no artificial caps or account requirements.
How to Resize an Image
- Drag and drop or select one or more images (JPEG, PNG, WebP).
- Choose resize mode: exact dimensions, percentage, or lock aspect ratio.
- Adjust output format and quality slider to balance size vs. fidelity.
- Click Resize & Download — your optimized images save instantly to your device.
Need to put resized images into a document? Try our JPG to PDF tool to combine images into a single PDF, or use the File Converter for additional format transformations.
Frequently Asked Questions
Can I compress an image without losing quality?
Yes. Our smart compressor adjusts image quality while maintaining visual fidelity, achieving up to 90% smaller files right in your browser.
What image formats are supported?
You can resize and convert JPEG, PNG, and WebP images, with transparent background fill available for JPEG exports.
Is there a file size limit?
No. Because processing happens entirely in your browser, there is no upload limit. Practical limits depend on your device RAM and CPU.
Are my images uploaded to a server?
No. All resizing and compression happens locally on your device. Your images never leave your computer.
Can I rotate or scale my image?
Yes. You can rotate for portrait or landscape orientation and scale by exact pixel dimensions or a percentage slider.