Image optimization
How to Reduce Image File Size for Uploads and Websites
A practical guide to reducing image file size with resizing, compression, format choice, and metadata removal.
Image Compressor
Reduce image size by adjusting quality and dimensions.
Start with the display size
Most oversized image files are oversized because the pixel dimensions are much larger than the final use. A phone photo may be 3000 or 4000 pixels wide, while a web card or upload preview may only need 800 to 1200 pixels.
Resize the image first, then compress it. This usually produces a cleaner result than trying to force a giant file under a size limit with extreme compression.
Adjust quality carefully
Lower quality settings reduce file size, but they can add blur, banding, or blocky artifacts. For photos, a moderate quality setting is often enough. For screenshots, diagrams, or images with text, use more caution.
The best setting is not one universal number. Compare the result visually and keep an original copy before exporting a smaller version.
Use WebP when the platform supports it
WebP can often create smaller web images than JPG or PNG at similar visual quality. It is useful for blogs, landing pages, product images, and other performance-sensitive pages.
If a form or older editor does not accept WebP, convert to JPG or PNG instead. Compatibility still matters for many upload workflows.
FAQ
What is the fastest way to reduce image size?
Resize large images to the dimensions you actually need, then adjust compression quality.
Does removing metadata reduce size?
Sometimes. It can remove camera and location data, but dimensions and compression usually have a larger effect.
Should I use JPG or WebP?
Use WebP for websites when supported. Use JPG when compatibility with upload forms or older software is more important.
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