Practical image notes

Understand the file, fix it faster

Clear explanations grounded in how the tools actually process images.

7 minute read

How to compress images without losing visible quality

A practical method for reducing image bytes while protecting detail, text, transparency, and color.

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8 minute read

How to compress an image to an exact file-size limit

Why exact KB compression needs quality search, validation, and sometimes careful dimension reduction.

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8 minute read

JPEG vs PNG vs WebP vs AVIF

A clear format comparison covering photos, transparency, compatibility, file size, and encode cost.

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6 minute read

The best image format for the web

Choose image formats by content, compatibility, alpha, animation, and performance rather than fashion.

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9 minute read

How image compression works

Understand lossless coding, perceptual loss, quality settings, dimensions, and why outputs differ.

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5 minute read

How to remove EXIF and location metadata

Inspect image metadata, understand GPS risk, and make a clean downloadable copy.

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6 minute read

Image file size vs pixel dimensions

Understand KB, MB, width, height, resolution, and why changing one does not precisely set the other.

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7 minute read

Base64 images explained

Learn what Base64 is, why it adds overhead, when Data URIs help, and when normal image files are better.

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6 minute read

HEIC explained and when to convert it

Understand why iPhones use HEIC, what it saves, and when a JPG copy is the practical choice.

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7 minute read

How to resize a passport or form photo safely

Prepare a photo to custom pixels, KB, DPI, background, and format without relying on unverified presets.

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