ImageTool Pro
Tumblr

Tumblr Photo Post Resizer

540×810 ピクセル

Resize your images to the perfect 540×810 dimensions for Tumblr.

Exact platform dimensions Cover and fit modes Circular crop for avatars No upload - 100% browser-based

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Tumblr 機能

SNS画像のリサイズに 1 プラットフォームにわたる 4 ツール。

Tumblr Tall Photo Post Resizer

1280×1920 post

Tumblr Header Resizer

3000×1055 header

Tumblr Profile Picture Resizer

円形
512×512 1:1 profile
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このツールについて

Resize your images to 540×810 for Tumblr with our free online tool. Get the perfect dimensions every time.

機能

精密な寸法指定

Pre-configured dimensions that match each platform's requirements perfectly.

カバー＆フィットモード

Choose between cover (fill) and fit (with background) to best present your image.

円形クロップ

Automatically crop profile pictures into perfect circles for avatar requirements.

ぼかし背景

Add a blurred background fill when fitting images that don't match the aspect ratio.

使い方

01

画像をアップロード

Drag and drop or click to select the image(s) you want to process.

02

プラットフォームプリセット

Dimensions auto-set to 540×810 for Tumblr.

03

フィットを調整

Choose cover or fit mode, and adjust background settings.

04

ダウンロード

Click the download button to save your processed image.

よくある質問

Tumblr が 540×810 を要求する理由は？
Tumblr enforces strict dimension requirements for different image types (avatars, covers, posts, stories). Using 540×810 ensures your image displays perfectly on the platform without unwanted cropping or compression.
Tumblr の画像に最適なフィットモードは？
For Tumblr images, Cover mode (filling the entire area) is usually best for posts and covers. Fit mode (showing the complete image with background fill) is ideal when you don't want to crop any content.
この Tumblr リサイズツールは無料ですか？
Yes, this Tumblr resizer is completely free with no signup required, no watermarks, and no usage limits.
データは安全ですか？
Absolutely safe! All image processing happens in your browser. Your images are never uploaded to any server.
What other image sizes does Tumblr recommend?
Tumblr has multiple image types, each with specific dimensions. Check our Tumblr tools page for all recommended sizes.
Can I batch resize images to 540×810?
Yes! Upload multiple images and resize them all to 540×810 at once.

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Free, fast, and private social media image resizing.

画像をアップロード

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