What Is Image Compression?
October 28, 2026
Image compression makes picture files smaller by storing the same image with less data. Learn how it works, the two main types and when to use it.
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Practical guides to image formats, quality settings and making files smaller.
Lossy vs Lossless Image Compression
October 28, 2026
Lossy compression discards detail for much smaller files, lossless keeps every pixel. Learn the difference, the formats and which to choose.
JPEG vs PNG vs WebP: Which Format to Use
October 28, 2026
JPEG, PNG or WebP? Compare file size, quality, transparency and compatibility, and learn which image format fits photos, screenshots and logos.
The Best JPEG Quality Setting
October 28, 2026
What JPEG quality should you use? A guide to quality values from 60 to 95, what changes at each step and how to pick the right one for your photos.
How to Compress Images for Your Website
October 28, 2026
A step-by-step guide to compressing website images: resize first, pick the right format, set the quality, use responsive images and check the result.
Image Size and Page Speed (Core Web Vitals)
October 28, 2026
How image file size affects page speed and Core Web Vitals such as LCP, and which image changes make pages load faster for real visitors.
How to Reduce Image Size for Email
October 28, 2026
Photos too big to email? Learn the attachment limits of Gmail and Outlook, why files grow when sent, and how to shrink pictures to fit.
Reduce Photo Size for Upload Forms
October 28, 2026
Upload form rejects your photo as too large? Learn how to meet file size limits for applications, visas and profiles without ruining the picture.
Resize vs Compress: What Is the Difference?
October 28, 2026
Resizing changes the pixel dimensions, compressing changes how the pixels are stored. Learn how each affects quality and file size, and how to combine them.
What Is EXIF Data and How to Remove It
October 28, 2026
EXIF data stores camera settings, time and sometimes GPS location in photos. Learn what it reveals, why it matters for privacy and how to remove it.
Why PNG Files Are So Large
October 28, 2026
PNG files can be huge, especially photos and retina screenshots. Learn why, what makes some PNGs small, and how to cut their size.
WebP and AVIF: Modern Image Formats
October 28, 2026
WebP and AVIF give smaller files than JPEG and PNG. Learn how they compare, where they work and when to use them on your website.
Pixels, Resolution and DPI Explained
October 28, 2026
Pixels, megapixels, resolution and DPI explained simply: what they mean for screens, print and file size, and why DPI does not change a file's size.
How to Compress Screenshots
October 28, 2026
Screenshots are often large PNG files. Learn how to shrink them while keeping text sharp: scale, crop, choose the right format and quality.
Compress Photos on iPhone and Android
October 28, 2026
How to make phone photos smaller on iPhone and Android: camera formats, resizing before sharing and compressing in the browser, step by step.
Image Sizes for Social Media and Chat
October 28, 2026
How big should images be for social media and messaging? Learn how platforms resize and recompress pictures and how to prepare them yourself.
Responsive Images, srcset and Lazy Loading
October 28, 2026
How to serve the right image size to every device with srcset, sizes and the picture element, and how lazy loading helps without hurting LCP.
How Browser-Based Image Compression Works
October 28, 2026
How an image compressor can work entirely in your browser: decoding, canvas, encoding, ZIP creation, limits and why nothing is uploaded.
Image Optimization for SEO
October 28, 2026
Image SEO basics: file size, formats, alt text, file names, responsive images and sitemaps. What helps rankings and what is only a myth.
Common Image Compression Mistakes
October 28, 2026
The most common image compression mistakes: compressing twice, wrong format, upscaling, too low quality and ignoring display size, with fixes for each.
How to Prepare Images for Print
October 28, 2026
How to prepare photos for printing: required pixels at 300 DPI, print sizes in pixels, color profiles, and why compression for the web is wrong for print.
Product Photos for Online Shops
October 28, 2026
How to prepare product photos for a web shop: image sizes, zoom, WebP and JPEG, consistent backgrounds and fast loading without losing detail.
Open Graph Images and Link Previews
October 28, 2026
How to prepare Open Graph and social preview images: the 1200 by 630 size, file size, formats, safe areas and common mistakes with link previews.
Transparent Images: PNG vs WebP
October 28, 2026
How transparency works in PNG, WebP and GIF, why JPEG cannot store it, how to avoid halos, and how to make transparent images smaller.
JPEG Artifacts: Blocking, Banding and Ringing
October 28, 2026
What causes blocky squares, halos and banding in compressed images? A guide to JPEG artifacts, how to spot them and how to avoid them.
Images and Accessibility
October 28, 2026
How to make images accessible: alt text, decorative images, text in images, contrast, animations and how compression can affect readability.
Compress Images for Blogs and CMS Uploads
October 28, 2026
Why you should compress images before uploading to a blog or CMS: upload limits, server storage, automatic resizing, double compression and a workflow.
Bulk Image Compression Workflow
October 28, 2026
How to compress many images at once: folder setup, consistent settings, batch size, naming, ZIP download, checks and keeping originals safe.
Animated Images: GIF vs WebP vs Video
October 28, 2026
Animated GIFs are large and limited. Compare GIF, animated WebP and short looping video for size, quality and compatibility, and learn which to use.
Image File Size Targets by Use Case
October 28, 2026
Practical file size targets for web images: hero images, thumbnails, product photos, email and social media, with the reasoning behind each.