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Image Resizer

Resize images to exact pixel dimensions or social media presets. Instagram, Facebook, Twitter, YouTube, and LinkedIn sizes built in. No upload required.

FreeNo SignupNo Server UploadsZero Tracking

100% Private

Your files never leave your browser. All processing happens locally on your device.

Drop an image here or click to browse

Supports any image format your browser can display

How to Use Image Resizer

  1. 1

    Upload an image

    Drag and drop your image or click to browse. Any format your browser supports will work.

  2. 2

    Set dimensions

    Enter custom width and height, or click a preset for common social media sizes.

  3. 3

    Resize

    Click the Resize button to process your image using the Canvas API.

  4. 4

    Download

    Preview the resized image and download it.

Frequently Asked Questions

No. All resizing is done locally in your browser using the HTML5 Canvas API. Your image never leaves your device.

Yes. The aspect ratio lock is enabled by default. When you change the width, the height adjusts automatically, and vice versa.

Instagram Post (1080x1080), Instagram Story (1080x1920), Facebook Cover (820x312), Twitter Header (1500x500), YouTube Thumbnail (1280x720), and LinkedIn Banner (1584x396).

Slight quality loss is possible when enlarging images. Downscaling generally preserves quality well. The tool uses a 92% quality setting for JPEG/WebP output.