Pixel-perfect resizing nothing uploaded

Resize Images Instantly.

Set exact dimensions, maintain aspect ratio, or fit inside a max size. Batch resize with one click all client-side.

Drop images here

JPEG · PNG · WebP · GIF batch supported

Free online image resizer resize JPEG, PNG & WebP without quality loss

Compressify's image resizer lets you set exact pixel dimensions or scale images proportionally to fit inside a maximum width or height. Everything runs inside your browser using the Canvas API no file is ever uploaded to any server.

Use Fit inside mode to resize a batch of images so none exceeds a given size while preserving their original aspect ratios ideal for preparing images for a website gallery, client deliverables, or social media uploads. Use Exact dimensions when you need a specific canvas size, such as a 1200×628 Open Graph image or a 1080×1080 Instagram square.

Common resize presets

  • Social media post: 1080×1080 (Instagram square)
  • Open Graph / link preview: 1200×628
  • Twitter/X header: 1500×500
  • Full HD web background: 1920×1080
  • Email thumbnail: max 600px wide
  • WhatsApp / Telegram: max 1280px to keep under size limits