Image Resizer

Resize image dimensions in pixels or percentages while locking aspect ratio to prevent distortion.

Privacy Notice: Local Browser Processing: Image scaling and canvas interpolation run 100% locally in your browser memory. Your images are never uploaded or stored.

About Image Resizer

Easily scale photos and digital graphics to exact pixel dimensions or relative percentages. Whether preparing banners for social platforms, fitting website containers, or reducing photo resolution, Zoviva Image Resizer ensures sharp interpolation and locked proportions.

How to Use Image Resizer

  1. 1. Upload image to resize

    Select an image file from your device or drag it into the upload box.

  2. 2. Set desired width or height

    Enter width or height in pixels, or click a quick percentage preset (25%, 50%, 75%, 150%, 200%).

  3. 3. Keep aspect ratio locked

    Keep the aspect ratio lock active so altering width automatically recalculates height.

  4. 4. Download resized image

    Inspect the preview and download your resized image file.

Common Use Cases

Social Media Profile Pictures & Banners

Scale images to standard dimensions (e.g. 1200x630 for Facebook/LinkedIn, 1080x1080 for Instagram).

CMS Content Uploads

Resize high-resolution 4K camera photos down to standard web container widths (e.g. 1200px or 800px).

Thumbnail Generation

Scale pictures down to 25% or 50% for fast thumbnail previews.

Pro Tips for Best Results

  • • Always keep Aspect Ratio locked unless you intentionally need to stretch an image into non-proportional bounds.
  • • Scaling down preserves sharpness; scaling small images up beyond 150% may reveal native pixelation.

Frequently Asked Questions

Will resizing stretch or distort my image?

Not if the "Aspect Ratio Lock" is active. Changing width automatically updates height to preserve original proportions.

Are my images uploaded to a server?

No. All resizing runs locally inside your browser memory using HTML5 Canvas.

What file formats can be resized?

You can upload and resize any JPG, PNG, WebP, GIF, or BMP image.

Can I resize photos on mobile?

Yes, the interface is touch-friendly and works smoothly on smartphones and tablets.