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Instagram 4:5
SNS用サイズ

Instagram 4:5

4:5フィードに合わせる

4:5フィードに合わせる3 inputs -> 2 outputs
01Pick image
UploadPick the photo for the feed
Source sizeBefore upload
Target canvas1080 × 1350
02Adjust and download
Result workspaceSee the result here as you work.
JPG
4:5 result

Preparing result

Fit modeFill
Result sizeWaiting
Preparing resultWorking

Upload to prepare the 4:5 result

Waiting for fileFill the 4:5 frame
Adjust options
Choose taskWhere it will go

Built for Instagram 4:5

4:5
Instagram feedVertical 4:5 feed canvas
Upload-ready presetFits straight to 1080 × 1350
Set optionsQuick setup

Choose fit mode and output

AdvancedChoose output format
Open
Info
SupportedInput files
JPG, PNG, WEBP3 inputs -> 2 outputs
Next
Next stepTune while previewing
Adjust and download4:5フィードに合わせるBrowser only
Instagram 4:5
SNS用サイズ

Instagram 4:5

4:5フィードに合わせる

4:5フィードに合わせる3 inputs -> 2 outputs
Last updated2026-04-08
StabilityStable
Request tags linked to this page
#social#preset#4#5
01Pick image
UploadPick the photo for the feed
Source sizeBefore upload
Target canvas1080 × 1350
02Adjust and download
Result workspaceSee the result here as you work.
JPG
4:5 result

Preparing result

Fit modeFill
Result sizeWaiting
Preparing resultWorking

Upload to prepare the 4:5 result

Waiting for fileFill the 4:5 frame
Adjust options
Choose taskWhere it will go

Built for Instagram 4:5

4:5
Instagram feedVertical 4:5 feed canvas
Upload-ready presetFits straight to 1080 × 1350
Set optionsQuick setup

Choose fit mode and output

AdvancedChoose output format
Open
Quick note about this tool

The feedback text, tool name, and page path may be stored for triage.

Instagram 4:5用に画像をリサイズ

What this tool is for

Instagram 4:5用に画像をリサイズ accepts JPG, PNG, WEBP files, works in your browser, and prepares JPG, PNG output. Instagramの4:5フィード向けに画像をブラウザ内で調整します。縦投稿に合わせたいときの下準備をすばやく進められます。

検索名Instagram 4:5 リサイズ
入力形式JPG, PNG, WEBP
出力形式JPG, PNG
処理ポリシーブラウザ内処理

The uploaded file is processed in the browser and only the resulting download is prepared.

Files and tool inputs are processed in your browser and are not kept in default file storage.

Visitor analyticsVisitor analytics

Visitor analytics may count page views, searches, and download events through Plausible or first-party events, and may use a localStorage visitor ID to reduce duplicate counts.

Feedback storageFeedback storage

When you submit feedback, the feedback text, tool name, and page path may be stored so the issue can be triaged and followed up.

Instagramの4:5フィード向けに画像をブラウザ内で調整します。縦投稿に合わせたいときの下準備をすばやく進められます。

合うケース

3 inputs -> 2 outputs

Good fit

フィード投稿で写真が不自然に切れるとき。

Good fit

正方形や横長画像を4:5へ合わせたいとき。

Good fit

投稿前に手早くInstagram用サイズを作りたいとき。

Frequently asked questions

These short answers help search visitors confirm the tool fit without leaving the page.

Instagram 4:5はなぜ重要ですか?

フィードでよく使われる縦長比率で、画面の占有感を出しやすいからです。

横向き写真でも使えますか?

はい。4:5に合うように切り抜きや調整を進められます。