Resize Image In MM
Resize images to exact millimeter dimensions for precision printing, ID cards, and professional documents. High-quality output.
Precision sizing: Set exact width and height in millimeters with DPI control (default 300 DPI for professional print).
Privacy: No upload. All resizing happens in your browser.
Perfect for: ID cards, passport photos, business cards, technical drawings, and medical images.
Bulk Resize Images In Millimeters
Need to resize images to precise millimeter dimensions for professional printing or official documents? Our Resize Image In MM tool delivers exact measurements with DPI control. Perfect for ID cards (85.6mm x 53.98mm), passport photos (35mm x 45mm), business cards (90mm x 50mm), and technical specifications. All processing happens locally - no upload, complete privacy.
How to resize in millimeters (step by step)
- Step 1: Drag or choose one or more images (max 20). Supported: .jpg, .jpeg, .png, .webp, .gif, .bmp.
- Step 2: Enter desired width and height in millimeters (e.g., 35 mm x 45 mm for standard passport photo).
- Step 3: Set the DPI (dots per inch) - default 300 DPI for high-quality print, 600+ DPI for premium quality.
- Step 4: Choose whether to maintain aspect ratio to avoid distortion.
- Step 5: Optionally select output format (JPEG, PNG, WebP, or keep original).
- Step 6: Click "RESIZE IMAGES (MM EXACT)" - each image is converted to exact millimeter dimensions at specified DPI and downloaded.
- Step 7: Monitor progress bar; all files are saved with "mm_" prefix.
Millimeter-based resizing is essential for professional printing, ID production, and technical applications. Our tool uses the formula: pixels = (mm / 25.4) × DPI for precise conversion. The interface maintains the same clean, familiar layout you trust, now optimized for millimeter precision.