Resize & Convert Image Tools
Resize JPG, PNG, and WebP dimensions or convert image DPI to 300 DPI for photo printing.
Resize & Convert Image Tools
Fast, private, client-side tools to inspect DPI, resize image dimensions, and prepare files for flawless printing.
Resize & Convert
Core Tool
Image Resizer
Resize JPG, PNG, and WebP images to exact pixel dimensions, maintain aspect ratios, or scale by percentage.
- Lock/Unlock Aspect Ratio
- Scale Presets (25%–200%)
- Zero Server Upload
Open Tool
Popular
DPI Converter
Change image DPI metadata to 300 DPI or resize pixel dimensions for target physical print frames.
- 300 DPI, 150 DPI & Custom
- Metadata-Only or Resampling
- JPG & PNG Header Writing
Open Tool
Print Planning
Image Print Size Calculator
Calculate maximum print dimensions in inches and centimeters at 300, 240, and 150 DPI.
- Inches & Centimeters
- Viewing Distance Advice
- Standard Quality Grades
Open Tool
Print & Frame Resolutions
A4 Image ResolutionRequired pixels for ISO A4 paper (2480 × 3508 px at 300 DPI).
A3 Image ResolutionRequired pixels for large format A3 posters (3508 × 4960 px at 300 DPI).
8 × 10 Photo ResolutionThe classic portrait frame size: 2400 × 3000 px at 300 DPI.
5 × 7 Photo ResolutionStandard greeting card and framed portrait: 1500 × 2100 px at 300 DPI.
4 × 6 Photo ResolutionStandard photo lab snapshot: 1200 × 1800 px at 300 DPI.
12 × 18 Photo ResolutionFine art and display print: 3600 × 5400 px at 300 DPI.
Dedicated Image Resizing and DPI Tools
Scale pixel dimensions with aspect ratio lock, or update embedded print resolution metadata without remote file uploads.
Frequently Asked Questions
Use the Image DPI Checker to inspect your current file, the DPI Converter to set 300 DPI metadata, or the Image Resizer to adjust dimensions.