Does compression reduce image quality?
Compression can reduce quality depending on the format and quality setting you choose.
Free Image Compressor Online
Compress images locally in your browser and compare file sizes before downloading.
Files and text are processed locally in your browser. No upload. No signup.
Supports JPG, PNG and WebP. Limit: 10 files, 10 MB each.
Choose up to 10 images to compress in your browser.
How to use
- 1 Select JPG, PNG or WebP files from your device.
- 2 Choose the output format and compression quality.
- 3 Compare file sizes and download the compressed results.
Features
- Supports batch compression for up to 10 files.
- Shows original and compressed file sizes.
- Lets you switch between JPEG, PNG and WebP output.
- Processes files locally in your browser.
FAQ
Can I compare the size before and after compression?
Yes. The tool shows the original and output sizes for each result.
Can I compress several images together?
Yes. Batch compression is supported up to the browser-safe limit.