How to use it
- Choose or drop your files, or enter the content to encode.
- Set the available output options and start processing.
- Preview, copy or download the result directly to your device.
Images
Image Compressor
Reduce JPG, PNG and WebP file size without uploading.
—✓ Your data stays on your device✓ Free · no sign-up✓ Runs locally
Method
The browser reads the selected file, performs the requested operation locally and creates a new downloadable result.
Worked example
A 4 MB JPG can often be reduced substantially by lowering quality while keeping the same pixel dimensions.
Reference: developer.mozilla.org · Last reviewed: 2026-07-29
Supported formats
JPG, PNG, WebP
Private by design
Your data stays on your device. No account is required.
Frequently asked questions
Are my files uploaded — Image Compressor?
No. Processing runs locally in your browser and the input is not sent to our server.
Is this tool free — Image Compressor?
Yes. The core tool is free and does not require an account.
What happens if my file is too large — Image Compressor?
The tool stops before processing and shows the applicable safety limit. Split the batch or use a smaller file.