shrinkpixel guides
Image compression and conversion guides
Clear, practical help for reducing image size, choosing a format, resizing files, and understanding browser-based processing.
Guides
Compression and file size
Practical ways to meet file-size limits and understand what changes an image's size.
How to Compress an Image to a Specific KB Size
A practical way to meet an image upload limit, with steps for format, quality, dimensions, and checking the final file size.
Read guide Published October 23, 2026Why Can a Compressed Image Become Larger?
Learn why re-encoding sometimes increases an image's file size and what to try when the output is larger than the original.
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Formats and conversion
Choose a format that fits the image, destination, and transparency you need.
JPEG vs. PNG vs. WebP: Which Image Format Should You Use?
Compare JPEG, PNG, and WebP for photos, screenshots, transparency, and everyday sharing before converting an image.
Read guide Published October 23, 2026How to Keep Transparency When Converting an Image
Learn why transparent pixels disappear in JPEG and how to choose an output format or background color that fits.
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Image handling and privacy
Learn what resizing does and what browser-based image processing means for your files.
Resize vs. Compress an Image: What's the Difference?
Understand how pixel dimensions and encoding affect image file size, and decide whether to resize, compress, or do both.
Read guide Published October 23, 2026Are Online Image Compressors Private?
What to check before using an online image compressor, and how browser-based image processing works on shrinkpixel.
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