Image Resizer
Resize images to exact dimensions in your browser. Supports PNG, JPG, and WebP output. Maintains aspect ratio optionally. No upload — files stay on your device.
Drop an image here or click to browse
PNG · JPG · WebP · GIF · BMP
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How to Use
- Drop or click the upload area to open an image from your device.
- Enter the desired width and/or height in pixels.
- Enable Lock Aspect Ratio to automatically adjust the other dimension proportionally.
- Select the output format — PNG for lossless quality, JPG for smaller file size, WebP for modern browsers.
- Click Download to save the resized image. No files are uploaded to any server.
Common Image Dimensions
- 1920 × 1080 — Full HD (desktop wallpaper, YouTube thumbnails)
- 1280 × 720 — HD (presentations, video thumbnails)
- 1200 × 630 — Open Graph social media share image
- 1080 × 1080 — Instagram square post
- 800 × 600 — Standard web display
- 400 × 400 — Profile picture (square avatar)
Format Comparison
- PNG — Lossless, supports transparency, larger file size
- JPG — Lossy compression, best for photos, no transparency
- WebP — Modern format, 25–34% smaller than JPG at equivalent quality