ImageTool Pro
LinkedIn

LinkedIn Profile Picture Resizer

400×400 ピクセル

Resize your images to the perfect 400×400 dimensions for LinkedIn.

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

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LinkedIn 機能

SNS画像のリサイズに 1 プラットフォームにわたる 6 ツール。

LinkedIn Background Photo Resizer

1584×396 4:1 background

LinkedIn Company Page Cover Resizer

1128×191 company

LinkedIn Company Profile Resizer

円形
300×300 1:1 profile

LinkedIn Post Image Resizer

1200×627 post

LinkedIn Sponsored Content Resizer

1200×627 ad
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このツールについて

Resize your images to 400×400 for LinkedIn 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 400×400 for LinkedIn.

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

LinkedIn が 400×400 を要求する理由は？
LinkedIn enforces strict dimension requirements for different image types (avatars, covers, posts, stories). Using 400×400 ensures your image displays perfectly on the platform without unwanted cropping or compression.
LinkedIn の画像に最適なフィットモードは？
For LinkedIn 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.
LinkedIn では円形のプロフィール画像が必要ですか？
LinkedIn displays profile avatars in a circular format. While the uploaded image itself is square, only the center circle is visible. Our tool provides a circular crop preview so you can see the final result.
この LinkedIn リサイズツールは無料ですか？
Yes, this LinkedIn 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 LinkedIn recommend?
LinkedIn has multiple image types, each with specific dimensions. Check our LinkedIn tools page for all recommended sizes.
Can I batch resize images to 400×400?
Yes! Upload multiple images and resize them all to 400×400 at once.

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Free, fast, and private social media image resizing.

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