Image compressor
Re-encode an image as WebP with your chosen quality. Your inputs stay in this browser tab.
Your result
A little input. A useful result.
Your result will appear here.How to use image compressor
Re-encode an image as WebP with your chosen quality. This free tool runs locally after you choose to start.
- Choose supported files from your device.
- Adjust quality (0.1–1) as needed.
- Choose the action button. Review the result, then copy text or download a file when available.
- Choose Clear all when finished to remove inputs and results from the interface.
Limits, without the small print.
JPEG, PNG and WebP input. Maximum 20 MB and 12 megapixels per image; one image unless stated. Output is re-encoded, so keep the original. Browser codec support varies. A smaller output is not guaranteed.
One job runs at a time. You can cancel it; jobs stop after 30 seconds. Browser and device capabilities affect performance.
Understand the safeguards →A couple of useful answers.
Does image compressor upload my data?
No. This tool processes your input in a browser worker. Your text and files are not sent to an application server. The static host receives page and asset requests; see our privacy explanation.
Is this tool free for work and study?
Yes. No account, paid API, usage subscription or watermark fee is required. You remain responsible for your content rights and checking results. Hosting providers and their free tiers are separate from this open-source software.
What should I check before relying on the result?
JPEG, PNG and WebP input. Maximum 20 MB and 12 megapixels per image; one image unless stated. Output is re-encoded, so keep the original. Browser codec support varies. A smaller output is not guaranteed. Review important outputs against the source, especially financial, legal, identity, medical and research calculations.