Privacy-First Image Cropper & Resizer (Zero Uploads)
A secure, client-side image cropper and resizer with ready-made sizes for Instagram posts and Stories, LinkedIn banners, Facebook covers, X/Twitter headers, YouTube thumbnails and Pinterest pins. Process images locally in your browser without ever uploading them to a server.
Drag & drop a photo here
or click below to browse your files
Crop Size
Adjust
Export Format
Upload an image to get started
How to crop and resize a photo online

Upload your photo
Drag a JPG, PNG, WEBP or GIF into the editor, or click to browse. Your file stays on your device โ it's never uploaded anywhere.
Pick a size or crop freely
Choose a platform preset like Instagram Story or LinkedIn Cover, or drag the crop box to any custom aspect ratio you need.
Export and download
Select PNG, JPG or WEBP, set a quality level if needed, and download the finished image instantly.
Social media image size cheat sheet
| Platform | Placement | Ratio | Recommended size |
|---|---|---|---|
| Square post | 1:1 | 1080 ร 1080 px | |
| Portrait post | 4:5 | 1080 ร 1350 px | |
| Story / Reel | 9:16 | 1080 ร 1920 px | |
| Profile background banner | 4:1 | 1584 ร 396 px | |
| Company page cover | 4:1 | 1128 ร 191 px | |
| Cover photo | 2.63:1 | 820 ร 312 px | |
| X (Twitter) | Header photo | 3:1 | 1500 ร 500 px |
| YouTube | Video thumbnail | 16:9 | 1280 ร 720 px |
| Standard pin | 2:3 | 1000 ร 1500 px |
Frequently asked questions
What is the best image size for an Instagram post?
Square posts look best at 1080ร1080px (1:1), portrait posts at 1080ร1350px (4:5), and Stories or Reels at 1080ร1920px (9:16). All three ratios are one-tap presets in the cropper above.
How do I crop a photo for a LinkedIn banner?
LinkedIn's personal profile background photo uses a 4:1 ratio at 1584ร396px. Pick the LinkedIn Cover preset, position your photo, and download.
Can I resize an image without losing quality?
Yes. Exporting as PNG keeps your crop lossless. JPG and WEBP include a quality slider so you can balance sharpness against file size.
Is this image cropper free to use?
Yes โ it's free, with no sign-up, no watermark, and no limit on how many images you crop.
Does this tool upload my photos to a server?
No. Every crop, rotation and format conversion happens locally in your browser using canvas rendering. Your image is never transmitted anywhere.
What image formats can I download?
PNG (lossless, supports transparency), JPG (small file size, ideal for photos) or WEBP (modern format with strong compression at high quality).