ImageWand
Tumblr

Resize for Tumblr Posts

Tumblr images display at 540px wide in the dashboard. 2:3 vertical works well.

Dimensions
540 × 810
Aspect Ratio
2:3

Image Resizer

Resize to any dimension

Drop your image here

or click to browse from your computer

Supports PNG, JPG, WebP up to 50MB

Popular Presets

📸Instagram Post1080×1080
📱Instagram Story1080×1920
👍Facebook Post1200×630
🐦Twitter Header1500×500
▶️YouTube Thumbnail1280×720
💼LinkedIn Banner1128×191

Tumblr Post Image Tips

540px width is max in dashboard
GIFs up to 10MB supported

Why Use ImageWand?

Instant Processing

Resize images in seconds with our browser-based tool. No upload wait times.

100% Private

Your images never leave your device. All processing happens locally in your browser.

Frequently Asked Questions

What size is a Tumblr Post Image?

Tumblr Post Image should be 540x810 pixels with a 2:3 aspect ratio. This is the optimal size recommended by Tumblr.

How do I resize an image for Tumblr Post Image?

Upload your image to ImageWand, use the Tumblr Post Image preset which automatically sets the correct 540x810 dimensions, and download your resized image.

Why is image size important for Tumblr?

Using the correct image dimensions ensures your content looks professional, isn't cropped unexpectedly, and displays consistently across devices. Tumblr optimizes for these specific dimensions.

Is this tool free?

Yes! ImageWand is completely free with no signup required. Resize unlimited images for any social media platform.

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