Resize images for Instagram, YouTube, Facebook, or any custom dimension. All processing happens in your browser.

How to use

  1. Upload an image.
  2. Pick a preset or enter custom width/height.
  3. Toggle aspect lock to prevent stretching.
  4. Click Download.

Common sizes

  • Instagram square 1080×1080
  • YouTube thumbnail 1280×720
  • Facebook OG 1200×630
  • Twitter header 1500×500

FAQ

Server upload?

No, fully in browser.

Quality loss?

Browser uses bicubic interpolation, virtually lossless when downscaling.

Output format?

PNG (lossless). For JPEG, use the Format Converter.

Free?

Yes.