Image compression reduces the amount of data needed to store or transfer an image. The right setting depends on the image content, the required quality and the destination.
What this tool helps you do
- Compare original and compressed file sizes
- Choose a supported output format
- Review visual quality before download
- Prepare images for web pages and online listings
How to use the Image Compressor
- Choose an image and note its original file size and dimensions.
- Select an output format and compression level supported by the connected tool.
- Preview the compressed result at the size it will normally be viewed.
- Check text, fine lines, edges and product details for visible artifacts.
- Download the result and keep the original until the output is approved.
Example
A large product image may be compressed for a web listing, but small text and fine product details should remain clear at the displayed size.
Frequently asked questions
Does compression always reduce quality?
Lossy compression removes some image information. Lossless compression can reduce file size without changing pixel values, though savings may be smaller.
Which format is best?
The best format depends on browser support, transparency needs, image content and platform requirements.
Should I compress before or after resizing?
A common workflow is to resize to the required dimensions first, then compress and inspect the result.
Before you use the result
Do not rely on a file-size reduction alone. Review the image visually and preserve an original copy.
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