9 min read
How the Image Compressor Hits an Exact File Size
Why compressing to 100KB is a search problem, how MozJPEG buys back a quarter of the budget, and why giving up pixels on purpose looks better.
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Explore expert articles, tutorials, and practical guides on image dimensions, file compression, format conversion, EXIF metadata, and web performance.
6 min read
How the Image Resizer Works: Lanczos3 in Linear Light
Resizing is averaging pixels, and most browser tools average them in the wrong colour space. Inside a resizer that runs Lanczos3 in linear light.
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13 min read
How the Image Converter Works, Entirely in Your Browser
A converter that never uploads your file: the 11 formats it reads, the 10 it writes, and how decoding and encoding both happen inside your own tab.
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6 min read
How to Check Image Dimensions and File Size Online
Learn how to check an image's pixel dimensions, file size, aspect ratio, DPI, and metadata online without uploading the file to a server.
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5 min read
How to Remove EXIF and GPS Metadata from Photos
Learn how to inspect and remove EXIF, GPS location, camera, and other hidden metadata from photos locally in your browser before sharing.
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5 min read
What Is Image Size Finder? How It Works & Why You Need It
Learn what Image Size Finder is, how it analyzes image dimensions, EXIF data, and colors locally in your browser, and why developers, designers, and SEO professionals rely on it.
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8 min read
What is Image Metadata?
Learn what image metadata is, including EXIF, IPTC, XMP, and ICC profiles. Understand the privacy risks of photo metadata and how to protect yourself.
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Major Update 2026.03.18: New Image Analysis Features & Metadata Tools
We've added tone analysis, histogram, Fuji/Sony recipes, metadata remover, and a powerful metadata editor to imagesizefinder.com.
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