LinkedIn image sizes
| Image type | Dimensions |
|---|---|
| Profile photo | 400×400 px (displayed as circle) |
| Background banner | 1584×396 px |
| Company logo | 300×300 px |
| Company cover | 1128×191 px |
| Post image | 1200×627 px |
| Article cover | 1200×644 px |
Profile photo tips
- Use a professional headshot with good lighting.
- Smile naturally — LinkedIn is more relaxed than passport photos.
- Dress professionally.
- Upload a square image (400×400 px minimum) — LinkedIn crops it to a circle.
- Resize with PhotoResizer.in for exact dimensions.
Technical Verification & Standards Compliance for Digital Submissions
When uploading photographs, signatures, or official records to government portals, visa processing systems, or recruitment boards, strict automated validation scripts evaluate both visual clarity and physical file parameters. Minor errors—such as non-standard aspect ratios, improper pixel dimensions, high compression artifacts, or unstripped EXIF headers—frequently trigger instant system rejections.
Image Dimension & Aspect Ratio Math
Official forms specify exact physical measurements (e.g., 3.5cm × 4.5cm) or pixel boundaries (e.g., 350×450px). Converting physical units into digital resolution requires applying exact DPI scales: Pixels = (Millimeters / 25.4) × DPI.
Local WebBrowser Compression Engine
PhotoResizer.in uses client-side HTML5 Canvas and WebAssembly algorithms to compress image streams down to specific KB limits (10KB, 20KB, 50KB, 100KB, 200KB) entirely inside your web browser. Visual data never leaves your device.