Image Guides
Practical guides to image formats, file size, resizing and compression, cropping and rotating, photo metadata, text recognition, favicons and QR codes.
Format Guides
Related: Image Converter · JPG vs PNG vs WebP vs AVIF
Optimization Guides
Related: Resizing images · Image compression settings · Choosing an image format for the web
Tools: Image Resizer · Image Compressor
Editing, Metadata and OCR Guides
Related: Cropping, rotating and flipping images · Photo metadata and EXIF · Taking a passport or ID photo at home · Extracting text from images with OCR
Tools: Crop Image · Rotate & Flip Image · Remove EXIF Data · ID Photo Maker · Image to Text (OCR)
Favicon, QR Code and Barcode Guides
Related: Favicon sizes, formats and HTML tags · Creating QR codes and barcodes that scan
Tools: Favicon Generator · QR & Barcode Generator
Frequently Asked Questions
Which format is best for photos?
JPG and modern web formats such as WebP are common choices; the right option depends on quality, size, transparency, and compatibility needs.
Do all formats support transparency?
No. PNG and modern formats such as WebP and AVIF can support transparency, while JPG does not.