Common guides
All guides for this platform.
Image size converter (px, cm, inches, KB)
Convert image sizes between pixels, cm/inches, and KB targets. Local processing, no upload.
Passport photo requirements (background & rules)
Passport photo requirements: background, lighting, head size, and size conversions. No upload.
PX to CM converter (pixels to centimeters)
Convert px to cm using DPI, plus quick formulas and examples. No upload.
Resize image in cm or inches (convert to pixels)
Convert cm/inches to pixels using DPI, then resize online with one-click presets (no upload).
Resize image in KB (target file size)
Resize/compress images to a target file size in KB (e.g. 100KB/200KB) with local processing (no upload).
Resize image in mm (convert to pixels)
Convert mm to pixels using DPI, then resize online with local processing (no upload).
Resize image in pixels (px)
Resize images by pixels (px) with presets and manual sizes. Local processing, no upload.
Resize image online (free, no upload)
Resize images online for free. No upload, local processing, quality tips, and batch resize links.
Resize passport photo (photo size guide)
Passport photo size guide, DPI tips, and resize online with local processing (no upload).
Resize visa / ID photo (size guide)
Visa/ID photo size guide with DPI tips and online resizing (no upload).