Pixotter
Resize Image to 640x640
640x640 pixels was the original Instagram photo resolution and remains widely used for social media thumbnails, podcast cover art, and compact product images that need to look good at smaller display sizes.
640x640 px
About 640x640 Pixels
Dimensions: 640 pixels wide × 640 pixels tall (square)
Aspect ratio: 1:1 (square)
Common uses: Instagram legacy, social thumbnails
How It Works
1
Drop your image
Drag and drop any image — JPEG, PNG, WebP, AVIF, and more are all supported.
2
Resize to 640x640
The tool pre-fills the target dimensions (640×640 pixels). Choose fit mode: contain (preserve ratio), cover (fill and crop), or stretch (exact dimensions).
3
Download the result
Your resized image is ready. Optionally compress or convert the format before downloading.
Your images never leave your browser. All processing happens locally on your device — nothing is uploaded to any server.