Resize Image
Change image dimensions by pixels or percentage. Maintains aspect ratio by default.
How to use Resize Image
Using Resize Image is quick and simple. Upload your file using the upload zone above — drag and drop it directly or click to browse your files. The tool works entirely in your browser, so your files never leave your device and nothing is uploaded to any server. Once you have your file loaded, adjust the settings to your preference and click the process button. Your result will be ready to download in seconds. All processing happens client-side using modern browser APIs, ensuring complete privacy and fast performance even for large files.
Frequently Asked Questions
Can I resize by percentage? +
Yes. Switch to percentage mode and enter a value like 50% to halve the image dimensions, or 200% to double them.
Is aspect ratio preserved by default? +
Yes. The lock icon maintains aspect ratio. Unlock it to set width and height independently.
What presets are available? +
We include common presets: 1920×1080 (HD), 1280×720 (HD), 800×600, and common social media sizes.
What format is the output? +
The output format matches your input. JPG inputs produce JPG output, PNG produces PNG, etc.
Are my images private? +
Yes. All resizing happens locally in your browser using the Canvas API. No images are uploaded.
Your files never leave your device. All processing happens in your browser. No data is sent to any server.