Guides for better images.
Clear explanations of image formats, compression, dimensions and privacy. Use them to make an informed choice.
WebP
Encoding, quality and browser use.
What Is WebP?
Learn how WebP stores still images, supports transparency and compares with JPEG and PNG.
How to Convert an Image to WebP
A practical workflow for converting JPEG or PNG images to WebP and checking the output.
WebP vs JPEG
Compare WebP and JPEG for photographs, transparency, compatibility and file size.
WebP vs PNG
Choose between WebP and PNG for transparency, exact pixels, graphics and photographs.
Best WebP Quality Settings
Choose a WebP quality setting using visual checks, image type and the final display size.
How to Reduce WebP File Size
Reduce WebP bytes by choosing useful dimensions and comparing quality settings without degrading more than necessary.
WebP Browser Support
Understand WebP support in modern browsers and how to plan fallbacks for older clients.
JPEG
Photo compression and practical quality settings.
How JPEG Compression Works
A clear explanation of JPEG's lossy encoding, quality settings and common visual artifacts.
How to Compress a JPG
Compress a JPG by choosing useful dimensions, a fitting format and a quality level you have visually checked.
How to Reduce JPEG File Size
Ways to reduce JPEG bytes through dimensions, quality and metadata, with trade-offs explained.
JPEG vs WebP
Compare JPEG and WebP support, transparency, image quality and typical web file sizes.
Best JPEG Quality for the Web
Choose JPEG quality through visual comparison and page context instead of a universal percentage.
PNG
Lossless images, transparency and alternatives.
How to Compress a PNG
Understand what browser PNG re-encoding can do, when to use WebP, and how dimensions affect size.
PNG vs WebP
Choose PNG or WebP for transparent artwork, screenshots, logos and photographs.
PNG vs JPEG
Compare lossless PNG with lossy JPEG and choose a format for photos, screenshots and graphics.
Image Transparency: PNG, WebP and JPEG
Learn what alpha transparency means and what happens when transparent artwork is converted to JPEG.
How to Reduce PNG File Size
Reduce PNG size with dimensions, palette-aware optimization or a carefully checked WebP conversion.
Image optimization
Smaller, faster images for real websites.
How to Reduce Image File Size
A step-by-step way to reduce image bytes without choosing a format or quality setting blindly.
Can You Compress Images Without Losing Quality?
Separate lossless optimization from lossy compression and understand what each can reduce.
Image Optimization for the Web
A practical checklist for selecting image dimensions, formats and delivery behavior on websites.
Image Size and Core Web Vitals
How image bytes, dimensions and loading strategy relate to web performance metrics.
How to Choose the Best Image Format
Choose JPEG, PNG, WebP or a source format based on content, transparency, compatibility and editing needs.
Image Dimensions vs File Size
Understand how pixel dimensions influence compressed file size, memory and display sharpness.
Resizing
Dimensions, resolution and sizing decisions.
How to Resize an Image
Resize by pixel dimensions while preserving aspect ratio and avoiding unnecessary upscaling.
Image Resolution vs Dimensions
Learn the difference between pixel dimensions, print resolution and display size.
Best Image Size for Websites
Estimate useful image dimensions for web layouts without shipping oversized assets.
Metadata
Embedded image information and privacy.
What Is EXIF Metadata?
Learn what EXIF stores in photos, including camera settings, timestamps and sometimes location.
How to Remove Image Metadata
Learn ways to create a copy without common image metadata and how to verify the result.
Does Image Metadata Affect File Size?
See how EXIF, thumbnails, profiles and other metadata contribute to image bytes.
Image Metadata and Privacy
Understand how image metadata can expose location, device and capture details when sharing photos.