Resize Image to 600×600 Online — ID Photos & Marketplace Thumbnails

Resize a photo to exactly 600×600 pixels in your browser — a common square requirement for ID and passport photo portals, as well as marketplace product thumbnails. Crop, resize, and download.

Last updated

Use it right here — already set up for this task

画像リサイズ

画像をオンラインでリサイズ

カスタムサイズまたはSNSプリセットに画像をリサイズ。ブラウザ内で動作 - アップロード不要。

クリックしてアップロードまたはドラッグ&ドロップ

PNG、JPG、WebP(最大50MB)

画像をアップロードして開始

共有

画像リサイズについて

無料の画像リサイズツールで、任意のカスタムサイズに画像をリサイズしたり、人気のSNSプリセットから選択したりできます。Instagram、Facebook、Twitter、YouTubeなどの画像最適化に最適です。

機能：

  • カスタム幅と高さのコントロール
  • アスペクト比を保持するトグル
  • SNSプラットフォーム用のクイックプリセット
  • PNG、JPG、WebP形式のサポート
  • 完全にブラウザ内で動作 - 画像はサーバーにアップロードされません
  • 登録不要、透かしなしで完全無料

参考資料・技術仕様

最終更新日: 2026-03-10

こちらもおすすめ

画像圧縮

画質を保ちながらファイルサイズを削減。

画像形式変換

PNG、JPG、WebP形式間で変換。

一括写真編集

複数の写真を同じアスペクト比で一度にトリミング。

Open the full Image Resizer →

Why this matters

600×600 is a frequent requirement on identity-document portals (many specify a square photo close to 2×2 inches at 300 DPI, which works out near that pixel count) and on marketplace platforms that display a fixed square thumbnail grid. Uploading a photo with the wrong aspect ratio forces the portal to auto-crop it — often cutting off the top of a head in an ID photo or awkwardly cropping a product in a listing. Resizing to the exact square dimensions first guarantees the framing you intended survives the upload.

Step by step

  1. 1
    Open the Image Resizer
    The dimensions are already set to 600×600 — drop in your photo.
  2. 2
    Adjust the crop
    Drag the crop area so your face or product is centered and correctly framed within the square.
  3. 3
    Preview
    Check that nothing important — like the top of your head in an ID photo — gets cut off.
  4. 4
    Download
    Save the resized 600×600 image to your device.
  5. 5
    Upload
    Submit it directly to the ID portal or marketplace listing form.

Frequently asked questions

Which ID or passport portals require 600×600 photos?

Several visa and ID application systems specify a square photo around 600×600 px (close to 2×2 inches at 300 DPI) — always check your specific country or portal for the exact requirement, since some ask for 2×2 inches at a different DPI.

Will my face get cropped oddly at 600×600?

Not if you frame it correctly first. Use the crop preview to center your face with even space around it before downloading — most portals expect the head to fill 50–70% of the frame.

Is my ID photo uploaded to resize it?

No. Resizing runs entirely in your browser. This matters for identity photos, which should never touch a third-party server.

Do marketplace platforms use 600×600 thumbnails?

Yes — many e-commerce and marketplace platforms display product thumbnails in a fixed 600×600 or similar square grid, and a mismatched aspect ratio gets center-cropped automatically.

What if the portal also has a strict file size limit?

Resize to 600×600 first, then compress the result — try Compress Image to 100 KB or Compress Image to 50 KB, both of which accept an already-resized photo.

Can I resize many product photos to 600×600 at once?

Yes — use the Batch Photo Editor to apply the same 600×600 crop and resize to a whole folder of listing photos.

Try Image Resizer now
Free, private, no signup. Runs in your browser.
Open Image Resizer →

Further reading

You might also need