Tumblr Post Size (1280×1920)
Resize your image to the exact Tumblr post size — 1280×1920 pixels, free and private.
This tool runs entirely in your browser. Your file never leaves your device — nothing is uploaded to our servers, so confidential documents and photos stay private.
Tumblr Post Size (1280×1920) online — free and exact
The correct Tumblr post size is 1280×1920 pixels. This free tool resizes any photo to exactly 1280×1920 px right in your browser, so your Tumblr post looks crisp and correctly proportioned without cropping surprises or quality loss from re-uploads. No account, no watermark — just drop, resize and download.
How to tumblr post size (1280×1920)
- 1
Drop your image into the box above (or click to browse) — processed entirely in your browser.
- 2
Press "Resize to 1280×1920" to set the exact Tumblr post dimensions.
- 3
Download the resized image.
- 4
Upload it to Tumblr as your post.
Frequently asked questions
What is the Tumblr post size?+
The recommended Tumblr post size is 1280×1920 pixels. Upload your image above and the tool resizes it to exactly 1280×1920 px in your browser.
How do I resize an image for a Tumblr post for free?+
Drop your image above and click "Resize to 1280×1920". It is redrawn at 1280×1920 px and ready to download — no upload, no sign-up, no watermark.
Is this Tumblr post resizer private?+
Yes. The image is processed on a canvas in your browser and never leaves your device.
What format will the resized Tumblr post be?+
JPG images stay JPG; everything else is saved as PNG so transparency is preserved.
Will my image be stretched to fit 1280×1920?+
It is resized to exactly 1280×1920 px. For the best look, start from an image with a similar aspect ratio or crop it first.
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